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Biology

Lab equipment in background with illustration of DNA strand, question marks, and an arrow pointing to the horn on a unicorn. Caption: We'd want to know what parts of the genome make the horn.
#askMIT
Episode 2
2 minutes 46 seconds
Grade Level: 9 - 12
Lab equipment in background with illustration of connected neurons. Caption: glia activate and help fix the neurons
#askMIT
Episode 1
2 minutes 56 seconds
Grade Level: 8 - 12
A warthog with long tusks curving towards its body and leathery skin covered in mud. Caption: we can see that each has a beauty all its own.
Nature
Season 26 / Ep 4
30 minutes 42 seconds
Grade Level: 7 - 12
Person driving a large piece of industrial farm equipment. Caption: towards managing agricultural systems
6 minutes 27 seconds
Grade Level: 7 - 12
An orange fish with yellow fins swimming up from the ocean floor from between rocks toward the viewer. Caption: in the environment they inhabit.
22 minutes 59 seconds
Grade Level: 5 - 12
Double helix of DNA with two protein strands highlighted. One strand shows proteins A and T. The other strand shows C and G. Caption "methylation". Caption: attach to a gene and block access to it,
14 minutes 13 seconds
Grade Level: 11 - 12
Coral reef with fish swimming in the vivid blue water above and two snorkelers at the water's surface. Caption: it has a lot of fish, it has less algae,
Ask a Scientist About
Episode 2
8 minutes 29 seconds
Grade Level: 5 - 8
Person sitting in front of a bookcase with books on various scientific subject. Caption: Microbes come in a huge variety of shapes--
Ask a Scientist About
Episode 3
4 minutes 44 seconds
Grade Level: 5 - 8
Man, with glasses in a suit jacket and button up shirt. Caption: the system may thrive again when it's reintroduced.
Ask a Scientist
Episode 13
42 seconds
Grade Level: 7 - 12
illustration depicts a close knitted structure of the nerves. Caption: are now hardwired in because we use them so often.
Ask a Scientist
Episode 14
1 minutes 51 seconds
Grade Level: 7 - 12
Close up of a cockroach head and body. Caption: A bunch of 'em -- American cockroaches.
Backyard Bugs & Other Arthropods
Episode 2
11 minutes 40 seconds
Grade Level: 5 - 8
Hand holding a magnifying glass pointing to something on the ground. Caption: Do you see it?
Backyard Bugs & Other Arthropods
Episode 1
13 minutes 40 seconds
Grade Level: 5 - 8
Spider with long narrow legs and a small narrow body at the center of a delicate spider web. Caption: Spiders are arachnids.
Backyard Bugs & Other Arthropods
Episode 3
14 minutes 44 seconds
Grade Level: 5 - 8
Adult man and woman with a child between them. The man and the woman are each contributing one chromosome to the child. Caption: half from your mother and half from your father.
23 minutes 3 seconds
Grade Level: 10 - 12
One central atom with two smaller atoms each attached to an electron on the outer ring of the central atom. Caption: covalently bonded to one oxygen atom,
Biology
Episode 1
40 minutes 43 seconds
Grade Level: 10 - 12
Illustration of a cell split in two that appears to be ready to eat something. Caption: T-Cells produce proteins that turn ordinary macrophages into killers
Biology
Episode 6
34 minutes 58 seconds
Grade Level: 10 - 12
Metaphase. Diagram of two structures on opposite sides of a cell. Each structure has one blue chromosome and one red chromosome. Caption: of the chromatids, the chromosomes now line up
Biology
Episode 2
41 minutes 25 seconds
Grade Level: 10 - 12
Double helix strand of DNA with protein pairs on each step. For example, AT and CG. For each pair, one letter is smaller than the other. Caption: one large, and one small--
Biology
Episode 3
37 minutes 40 seconds
Grade Level: 10 - 12
A person speaking. Illustration of a lion and a flying insect. Natural Selection. Caption: says that those individuals with beneficial traits,
Biology
Episode 4
33 minutes 32 seconds
Grade Level: 10 - 12
The skull of an animal with long, sharp teeth. Caption: And those teeth are incredibly strong.
3 minutes 54 seconds
Grade Level: 5 - 8
A skeletal bone is being placed on a table.
6 minutes 25 seconds
Grade Level: 10 - 12
Apples hang from an apple tree. Caption: This, scientists say, is the apple's genetic home.
The Botany of Desire
Episode 2
1 minutes 28 seconds
Grade Level: 10 - 12
A poster for Washington state apples displays apples with a caption apple a day. Only the finest. Caption: an apple a day keeps the doctor away.
The Botany of Desire
Episode 5
2 minutes 51 seconds
Grade Level: 10 - 12
Red earthworms. Caption: are more likely to develop resistance.
The Botany of Desire
Episode 8
9 minutes 29 seconds
Grade Level: 10 - 12
A vast agricultural land with varieties of plants laid in strips. Caption: It's a botanical version of Noah's Ark.
The Botany of Desire
Episode 3
1 minutes 31 seconds
Grade Level: 10 - 12
A sketch of a man with a hat holding a plant. Caption: Narrator, John Chapman was born in 1774 in massachusetts.
The Botany of Desire
Episode 1
5 minutes 23 seconds
Grade Level: 10 - 12
A hamlet in a Peruvian Valley. Caption: the potato plant around 8,000 years ago.
The Botany of Desire
Episode 6
2 minutes 46 seconds
Grade Level: 10 - 12
Illustration of a giant shark dwarfing the whales it swims with and is about to bite into one. Caption: megalodon was maybe 50 feet, or 15 meters, in length.
The Brain Scoop
Episode 23
3 minutes 50 seconds
Grade Level: 10 - 12
Owl with a small rodent in its beak. Raptor - A bird of prey such as an eagle, hawk, or owl that kills and eats other animals for food. Caption: Nocturnal raptors like owls eat many rodents
The Brain Scoop
Episode 37
8 minutes 2 seconds
Grade Level: 10 - 12
Giant walking stick pinned to a board for display. Caption: This one's from Malaysia.
The Brain Scoop
Episode 10
5 minutes 9 seconds
Grade Level: 10 - 12
Closeup of the bottom side of a winged insect's body. Caption: All insects are roughly made up of the same sections --
The Brain Scoop
Episode 21
7 minutes 9 seconds
Grade Level: 10 - 12
Litchens are found on a rusty car door. Caption: What caught their attention was the abundance of lichens,
The Brain Scoop
Episode 62
1 minutes 19 seconds
Grade Level: 7 - 12
Person holding a grasshopper. Melanoplus Differentialis. Caption: And this is a differential grasshopper,
The Brain Scoop
Episode 14
11 minutes 57 seconds
Grade Level: 10 - 12
Closeup of the front half of an ant. Camponotus nigriceps. Caption: They bore through wood, but don't eat it.
The Brain Scoop
Episode 54
7 minutes 37 seconds
Grade Level: 9 - 12
Brown fuzzy mammal sitting in a tree. Caption: An olingo is a member of the raccoon family.
The Brain Scoop
Episode 11
6 minutes 3 seconds
Grade Level: 10 - 12
Two people standing in front of a mural. One holds a printout of a photograph. Caption: One of Carl Akeley's photos. The beautiful bunch of aloe.
The Brain Scoop
Episode 36
7 minutes 13 seconds
Grade Level: 10 - 12
Closeup of an animal with a pointed snout, large claws, and overlapping scales covering its body. Caption: They are covered in keratin scales,
The Brain Scoop
Episode 2
4 minutes 19 seconds
Grade Level: 10 - 12
Illustration of a fish with long, pointed fins. Cartilaginous Fish (thresher shark). Caption: those with skeletons of cartilage --
The Brain Scoop
Episode 25
6 minutes 2 seconds
Grade Level: 10 - 12
Illustration of a skeleton. Arrows indicate the front right toe and back left heel. Caption: Their elongated heel bone and Achilles tendon.
The Brain Scoop
Episode 1
2 minutes 32 seconds
Grade Level: 10 - 12
Person turning the page of a book with detailed illustrations. The turning of the page. Caption: revealing a new page every week,
The Brain Scoop
Episode 19
5 minutes 23 seconds
Grade Level: 10 - 12
A photograph of Cetti's Warbler and its egg which measures 1 centimeter. On screen text, Cetti's Warbler, Cettia cetti. Caption: This is a Cetti's warbler from Southern Europe.
The Brain Scoop
Episode 67
12 minutes 12 seconds
Grade Level: 7 - 12
Two people looking at a computer screen. Caption: who has researched various aspects of hominid evolution.
The Brain Scoop
Episode 55
9 minutes 23 seconds
Grade Level: 10 - 12
A pile of small, furless rodents huddled together in a den lined with grass. Naked mole-rat huddle. Caption: If they're cold, they huddle together,
The Brain Scoop
Episode 32
10 minutes 3 seconds
Grade Level: 10 - 12
Dried red-leafed plant with a cluster of long, pointed leaves. Caption: Poinsettias are another delightful botanical accent
The Brain Scoop
Episode 15
4 minutes 55 seconds
Grade Level: 10 - 12
Specimens of worms are stacked in bottled jars. On screen text, 427,000 specimens. Caption: Philips, we have at least 427,000 specimens of worms,
The Brain Scoop
Episode 64
8 minutes 54 seconds
Grade Level: 7 - 12
A diagram compares the population of the false water cobra and the cane toad. The population of poisonous cane toad is higher than that of the immune false water cobra.
The Brain Scoop
Episode 71
6 minutes 12 seconds
Grade Level: 10 - 12
Closeup of tongs picking up a small piece of mold off bread contained in a glass jar. Caption: I'll take some bread mold and let it work.
3 minutes 2 seconds
Grade Level: 7 - 12
Two trucks unload garbage. Caption: Male, we're standing on about 12 meters of garbage.
Break It Down
Episode 3
22 minutes 35 seconds
Grade Level: 7 - 12
A white cow with brown spots on its head in a grassy field. Caption: began about 8,000 years ago in three separate locations.
Nature
Season 22 / Ep 11
27 minutes 52 seconds
Grade Level: 7 - 12
A man in a white lab coat looking into a microscope. Caption: Examination back in the lab can confirm the species of fern.
44 minutes 44 seconds
Grade Level: 9 - 12
Diagram showing two pairs of dogs resulting in two dogs, each with shorter legs. Caption: so dogs with shorter legs were selected and bred.:
Superlife
Episode 2
8 minutes 22 seconds
Grade Level: 10 - 12
A ship sailing through the sea. Caption: sails within the sight of the mythical Galapagos.
Butterfly Effect
Season 1 / Ep 1
25 minutes 59 seconds
Grade Level: 10 - 12
Two-line graphs. One with sharp, jagged, closely spaced peaks and valleys, the other with more gently increasing and decreasing peaks and valleys. Caption: This information is captured by the BioRadio
Career Connections
Episode 12
4 minutes 6 seconds
Grade Level: 7 - 12
A diagram shows six cell parts. Nucleus, Nuclear Membrane, Cytoplasm, Mitochondria, Vacuoles, and cell membrane.
1 minutes 12 seconds
Grade Level: 7 - 12
Cellular respiration, the process of breaking things down. Eating the food.
1 minutes 3 seconds
Grade Level: 7 - 12
A hummingbird hovering around a plant.
6 minutes 3 seconds
Grade Level: 7 - 12
A spider in the center of a web with double helix DNA strands in the background. Caption: the relationship between changes in spider genomes
2 minutes 39 seconds
Grade Level: 10 - 12
Book with handwritten text of the following hierarchy: Kingdom, Phylum, Class, Order, Family, Genus, Species. Caption: are grouped into a species.
22 minutes 12 seconds
Grade Level: 7 - 12
The head of a horse wearing a bridle, hooked to a tether secured to a post. The horse is leaning down to eat hay. Caption: These are all examples of different kinds of animals.
21 minutes 49 seconds
Grade Level: 5 - 9
Close up of a silver fish. Caption:  - Ectotherms meaning their body temperature goes up and down
15 minutes 10 seconds
Grade Level: 3 - 6
Close up of a golden eagle, wings folded. Caption: Where did this golden eagle come from?
2 minutes 16 seconds
Grade Level: 7 - 12
Gloved hand reaching into a small tank to pick up a piece of white coral being grown on a disc. Caption: that fight some of the worst infectious bacteria.
Coral Comeback
Episode 9
2 minutes 13 seconds
Grade Level: 7 - 12
Extreme closeup of the cell structure of coral showing rectangular shape in the center of textured cell material. Labeled, (algae) ZooXanthellae. Caption: Zooxanthallae live inside some of the coral's cells.
Coral Comeback
Episode 3
3 minutes 14 seconds
Grade Level: 7 - 12
Closeup of a taupe-colored shellfish with eye showing, and the ocean in the background. Text on image reads, "Core Biology. Animal Sciences."
Core Biology
Episode 2
28 minutes 42 seconds
Grade Level: 10 - 12
Microscopic view of pond water teaming with life. Text on image reads, "Core Biology. Microbiology and Genetics."
Core Biology
Episode 4
29 minutes 6 seconds
Grade Level: 10 - 12
Side closeup view of a flower with yellow petals, magenta veins, and yellow stamens. Text on image reads, "Core Biology. Plant Sciences."
Core Biology
Episode 1
28 minutes 56 seconds
Grade Level: 10 - 12
Illustration of Earth. Midlatitude jet stream (cool) at the top of the globe and Subtropical jet stream (warm) close to the equator. Both move clockwise. Caption: it is a powerful band of winds known for bringing winter storms
Core Meteorology
Season 0 / Ep 1
28 minutes 25 seconds
Grade Level: 8 - 12
Closeup of a huge pile of kernels of dried corn. Caption: making corn the number-one crop by weight.
Superlife
Episode 3
6 minutes 41 seconds
Grade Level: 10 - 12
An adult cat surrounded by kittens on a linoleum floor. Caption: Other living things go through a similar process
10 minutes 50 seconds
Grade Level: 3 - 6
Pie chart diagram showing that the atmosphere contains 1/5 oxygen. Caption:  Two ways of O2 entry. Caption: Oxygen makes about 1/5 of the atmosphere,
5 minutes 22 seconds
Grade Level: 7 - 12
Cart ascending roller coaster track. Caption: What are the reservoirs for the carbon cycle?
Earth Science
Episode 8
28 minutes 48 seconds
Grade Level: 6 - 9
Indicator dots in East Asia. Plane icon in North America with indicator dots beneath the plane. Caption: It heads to North America, where it deplanes,
5 minutes 3 seconds
Grade Level: 7 - 12
Forest of large, towering trees. Caption: Well, redwood trees live for thousands of years,
14 minutes 40 seconds
Grade Level: 7 - 12
A group of people inspecting a skeleton.
7 minutes 45 seconds
Grade Level: 10 - 12
Microscopic close up of cells. Cell walls and internal organ structure visible. Caption: It was clear that the nucleus was the critical element
Greatest Human Achievements
Episode 3
14 minutes 30 seconds
Grade Level: 9 - 12
Microscopic view of oval shaped organisms. Caption: Ciliates are a group of single-celled organisms
Hidden Biodiversity
Episode 1
3 minutes 10 seconds
Grade Level: 9 - 12
Microscopic view of oval and tubular organisms. Caption: make their own food using the light
Hidden Biodiversity
Episode 2
3 minutes 12 seconds
Grade Level: 9 - 12
Closeup view of a clear, jelly-like egg cluster underwater. Caption: The transparent eggs allow us
Hidden Biodiversity
Episode 3
3 minutes 12 seconds
Grade Level: 9 - 12
Points of light against a dark, textured background. Caption: many adaptations to support movement.
Hidden Biodiversity
Episode 4
3 minutes 12 seconds
Grade Level: 9 - 12
Microscopic view of an oval shaped organism with a mouth-like opening at one narrow end. Caption: These microorganisms are so small,
Hidden Biodiversity
Episode 5
3 minutes 12 seconds
Grade Level: 7 - 12
Closeup view of a mosquito. Caption: The adult mosquito is now ready
Hidden Biodiversity
Episode 6
3 minutes 12 seconds
Grade Level: 9 - 12
Microscope view of oval shaped organisms with globular protrusions. Caption: There are 2000 species of rotifers.
Hidden Biodiversity
Episode 8
3 minutes 12 seconds
Grade Level: 9 - 12
Microscopic view of tubular organisms with background debris. Caption: adopted by some microorganisms is gemmation.
Hidden Biodiversity
Episode 7
3 minutes 12 seconds
Grade Level: 9 - 12
Microscopic view of a transparent roundish organism with a visible face and legs. Caption: a reproductive strategy called parthenogenesis.
Hidden Biodiversity
Episode 9
3 minutes 12 seconds
Grade Level: 9 - 12
Illustration of a horse with its nose pointed towards the ground. In this position the pupil of the eye is parallel to the ground. Caption: It would enhance the effective field of view
3 minutes 43 seconds
Grade Level: 9 - 12
Cycle showing eggs leading to tadpole; tadpole developing back legs and keeping tail; tadpole developing all four legs, losing some of the tail, and looking more like a frog; to an adult frog who produces eggs. Caption: to watch what happens to the eggs.
Everyday Science for Preschoolers
Episode 1
1 minutes 52 seconds
Grade Level: Ps - 3
Illustration of neurons and dendrites exchanging signals. Caption: The addicted brain has changed.
24 minutes 5 seconds
Grade Level: 10 - 12
Illustration of teeth in the bottom jaw with braces on the surface of the teeth. The two teeth on either end of the jaw are shaded darker. Caption: that lets the new PDL hold teeth in the new position.
Science Out Loud
Episode 17
4 minutes 8 seconds
Grade Level: 9 - 12
Blurry city in background. Taste and Smell.
Human + The Future of Our Senses
Episode 4
48 minutes 15 seconds
Grade Level: 10 - 12
Illustration of a person with a large belly next to a bad of mega chips labeled party size and a stack of calories. Caption: can cause a person to be overweight,
Human Nutrition
Episode 1
28 minutes 4 seconds
Grade Level: 7 - 12
Person speaking. Caption: Calcium is another mineral that is especially important
Human Nutrition
Episode 6
22 minutes
Grade Level: 7 - 12
Illustration of a military person pointing to a chart with pictures of bananas, apples, and leafy greens. Caption: Choose foods that provide more potassium, dietary fiber, calcium, and vitamin D--
Human Nutrition
Episode 3
37 minutes 24 seconds
Grade Level: 7 - 12
Measuring cup. Eat the amount your body really needs. Measure out your portions. Caption: by measuring out your portions with measuring cups
Human Nutrition
Episode 5
36 minutes 26 seconds
Grade Level: 7 - 12
Illustration of a cell and a molecule of NaCl. Made up mostly of water. Caption: The fluid around the cell contains sodium chloride
Human Nutrition
Episode 4
33 minutes 20 seconds
Grade Level: 7 - 12
Diagram of foods containing Sucrose providing a combination of fructose and glucose or containing Lactose providing galactose and glucose after being processed by the liver. Caption: are also broken down and converted into glucose
Human Nutrition
Episode 2
28 minutes 20 seconds
Grade Level: 7 - 12
Illustration of a grazing cow. Greetings from the farm… Caption: (man) Like many foods,
Human Nutrition
Episode 7
17 minutes 37 seconds
Grade Level: 7 - 12
A humanoid robot holding a drill. Caption: to continuously pay attention to his surroundings
Science Out Loud
Episode 2
5 minutes 7 seconds
Grade Level: 10 - 12
Two women exercising with dumbbells. Caption: to make their bodies as strong as can be.
I Can Be Anything I Want to Be A to Z
Episode 11
3 minutes 49 seconds
Grade Level: 4 - 8
Two fish swim underwater through underwater plant life. Caption: I specialize in fish and aquatic life.
I Can Be Anything I Want to Be A to Z
Episode 26
5 minutes 35 seconds
Grade Level: 4 - 8
Illustration of beige spherical shapes and a single bright-green spiky shape. Caption: A virus is a lean, mean disease machine.
1 minutes 40 seconds
Grade Level: 7 - 12
Large spherical object surrounded by smaller multi-sphere objects. Nova Caption: Carbon is one of the most versatile elements.
1 minutes 37 seconds
Grade Level: 9 - 12
A herd of cattle, some adult, some baby, all with tags in their ears. Caption: The mother of this calf also has brown fur.
10 minutes
Grade Level: 5 - 8
Closeup of vibrant green leaves. Caption: that form a network throughout the plant structure.
20 minutes 17 seconds
Grade Level: 9 - 12
Illustration of two cells, one with spiky structures being overtaken by the other. Caption: how the body produces antibodies and T cells
21 minutes 19 seconds
Grade Level: 9 - 12
Close up of a black insect with translucent black wings and black antenna. Caption: our killer can locate her victims remotely.
28 minutes 46 seconds
Grade Level: 10 - 12
Close up of a yellow Labrador dog on a leash. Caption: They are clones, copies of the same dog.
Superlife
Episode 1
9 minutes 16 seconds
Grade Level: 9 - 12
Cartoon of a child in a classroom setting standing at the front of the class next to a skeleton. Caption: Your body's made of many parts that help you move and think.
Everyday Science for Preschoolers
Episode 7
1 minutes 7 seconds
Grade Level: 2 - 5
Rocky coastline. Caption: Life learned to use sunlight to develop
15 minutes 8 seconds
Grade Level: 7 - 12
Cartoon character reaching under a hen nesting on eggs and pulling out an egg. Caption: So all we need is one of these.
The Magic School Bus
Season 4 / Ep 402
25 minutes 54 seconds
Grade Level: 2 - 6
Cartoon of a character gesturing to a complex diagram of machinery. Caption: we believe in breaking things down.
The Magic School Bus
Season 1 / Ep 102
25 minutes 54 seconds
Grade Level: 2 - 6
People inside the magic school bus with a giant fish opening its mouth to swallow them visible through the window outside. Caption: And what eats little fish, like anchovies?
The Magic School Bus
Season 1 / Ep 104
25 minutes 55 seconds
Grade Level: 2 - 6
Cartoon of a plant with a face in a yard. Caption: I am hungry but not for people food.
The Magic School Bus
Season 3 / Ep 310
25 minutes 54 seconds
Grade Level: 2 - 6
Magic school bus floating in a cavern lined with red, finger-like structures. Caption: (Wanda) And those things out there are the villi.
The Magic School Bus
Season 4 / Ep 406
25 minutes 54 seconds
Grade Level: 2 - 6
Students on the magic school bus. Caption: Two things make me sneeze -- pollen and pepper.
The Magic School Bus
Season 1 / Ep 111
25 minutes 56 seconds
Grade Level: 2 - 6
Cartoon of a person's face on a fish body. Caption: Eat and grow. Eat and grow.
The Magic School Bus
Season 3 / Ep 308
25 minutes 54 seconds
Grade Level: 2 - 6
Cartoon characters next to a pond with a frog on a lily pad. Caption: And lots of space to hop around in.
The Magic School Bus
Season 1 / Ep 105
25 minutes 54 seconds
Grade Level: 2 - 6
Cartoon characters with faces and the bodies of bees. Caption: They thought we were bees from their hive
The Magic School Bus
Season 3 / Ep 301
25 minutes 53 seconds
Grade Level: 2 - 6
Cartoon of a person pointing at glass containers with corks. Caption: Cinnamon, mint, skunk--
The Magic School Bus
Season 4 / Ep 409
25 minutes 54 seconds
Grade Level: 2 - 6
Cartoon of a person wearing a hard hat, kneeling in the dirt and holding some in their hands. Caption: Look! Beautiful rich soil!
The Magic School Bus
Season 1 / Ep 106
25 minutes 54 seconds
Grade Level: 2 - 6
Cartoon of people huddled under a picnic table while a giant praying mantis walks by. Caption: I think what we need is a professional bug trapper.
The Magic School Bus
Season 3 / Ep 303
25 minutes 54 seconds
Grade Level: 2 - 6
Close up of head and shoulders of a manatee swimming under water. Caption: USGS
3 minutes 34 seconds
Grade Level: 6 - 12
People in an open-air enclosure standing around a table with paper and other objects on the surface. Caption: is that I am surrounded by really curious people,
Meet the Ologist
Episode 2
3 minutes 16 seconds
Grade Level: 5 - 8
Complex matrix of spherical objects next to a thermometer reading slightly above zero degrees. Caption: A low temperature indicates that the particles
23 minutes 38 seconds
Grade Level: 8 - 10
Magnified view of a very small animal with a segmented body and many legs. Caption: Only in a waterfall are there such creatures.
Microscopic Monsters
Episode 8
4 minutes 57 seconds
Grade Level: 5 - 8
Magnified view of thin, tangled threads. Caption: a fungus composed of a tangled mass of threads
Microscopic Monsters
Episode 9
4 minutes 58 seconds
Grade Level: 5 - 8
Closeup of a worm in soil. Caption: They really do a bang-up job of cultivating the soil.
Microscopic Monsters
Episode 12
4 minutes 45 seconds
Grade Level: 5 - 8
Closeup of a bee on a yellow flower. Caption: (Tara) Fertilization with an insect's help--
Microscopic Monsters
Episode 11
4 minutes 47 seconds
Grade Level: 5 - 8
Cross section of earth. Different layers of rock and soil have a jagged crack running down them. Caption: a complex and very ancient assemblage
Microscopic Monsters
Episode 13
7 minutes 31 seconds
Grade Level: 5 - 8
closeup of beige and brown insects in wood. Caption: They'll soon reduce this log to frass.
Microscopic Monsters
Episode 10
4 minutes 48 seconds
Grade Level: 5 - 8
Microscopic view of roughly oval shaped organisms surrounded by much smaller green spherical objects. Caption: I want to look closer at how they feed.
Microscopic Monsters
Episode 6
4 minutes 43 seconds
Grade Level: 5 - 8
A black, waist high horse wearing a bridle and halter is being held by a person standing next to it. Caption: the miniature horse has become a popular pet
Superlife
Episode 4
10 minutes 36 seconds
Grade Level: 10 - 12
Illustration of tubular structures. Nova science Now. Caption: The answer -- mirror neurons,
4 minutes 35 seconds
Grade Level: 10 - 12
Illustration of two people in a basket passing by tree roots. Caption: You're just passing through the root level.
My Little Planet
Episode 14
5 minutes 13 seconds
Grade Level: 3 - 6
Illustration of drops of water with faces. Caption: Look at this, Hanna.
My Little Planet
Episode 1
5 minutes 7 seconds
Grade Level: 3 - 6
Illustration of a spider. Caption: We breathe in oxygen and breathe out carbon dioxide.
My Little Planet
Episode 24
5 minutes 11 seconds
Grade Level: 3 - 6
Illustration of a dog scratching itself. Caption: Look! Everyone's scratching themselves.
My Little Planet
Episode 18
5 minutes 11 seconds
Grade Level: K - 3
Cow with a metal hat connected to wires that lead to a large machine. Caption: Thanks to my work, she can produce chocolate milk.
My Little Planet
Episode 19
5 minutes 20 seconds
Grade Level: 3 - 6
Illustration of three insects sitting on a ceiling beam, looking down on a fourth insect who is talking to two children in bed. Caption: (Suzie) Do you know the story of the princess dragonfly?
My Little Planet
Episode 26
5 minutes 7 seconds
Grade Level: 3 - 6
Illustration of two people floating on a platform and moving towards a waterfall. Caption: (Hanna) They disappeared into the waterfall.
My Little Planet
Episode 7
5 minutes 13 seconds
Grade Level: 3 - 6
Illustration of a person reaching to take something from a tree's hand. Caption: Take them and find a pretty spot to plant them.
My Little Planet
Episode 3
5 minutes 8 seconds
Grade Level: K - 3
Cartoon of a person pulling a plant out of the ground. Caption: Hey, be careful! Don't take it all.
My Little Planet
Episode 20
5 minutes 10 seconds
Grade Level: K - 3
Plastic 3D color-coded model of the human brain. Caption: The brain's maximum potential?
56 minutes 41 seconds
Grade Level: 9 - 12
Complex diagram indicating the relationship of different species of organisms. Caption: and are separated on the theropod family tree.
Natural News From The Field Museum
Season 0 / Ep 1
7 minutes 9 seconds
Grade Level: 10 - 12
Person wearing a backpack and a headlamp moving through a narrow opening in a crouched position. Caption: Okay, I'm going down a slope. It looks a little slippery.
16 minutes 57 seconds
Grade Level: 6 - 12
A river flows through a large forest area. Caption: Amazon Rainforest. Latitude, 4 degrees North to 13 degrees South. Longitude, 45 degrees to 77 degrees West. Rainfall, 2500 to 4000 millimeters. Temperature range, 20 degrees to 32 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 3
29 minutes 17 seconds
Grade Level: 7 - 12
A small hill is present in a large plain.
Nature's Microworlds
Season 1 / Ep 12
29 minutes 18 seconds
Grade Level: 7 - 12
A coastal region with fog rising from the sea. Caption: Galapagos Ecuador. Latitude, 1 degree 40 minutes North. Longitude, 89 degrees 16 minutes to 92 degrees 01 minutes West. Air Temperature, 20 to 32 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 1
29 minutes 19 seconds
Grade Level: 7 - 12
Ants climbing on the shoots of grass.
Nature's Microworlds: Insect Specials
Season 3 / Ep 2
29 minutes 19 seconds
Grade Level: 7 - 12
A butterfly with its wing spread out and sitting on a flower.
Nature's Microworlds: Insect Specials
Season 3 / Ep 3
29 minutes 30 seconds
Grade Level: 7 - 12
A locust chews on a shoot of grass.
Nature's Microworlds: Insect Specials
Season 3 / Ep 1
29 minutes 8 seconds
Grade Level: 7 - 12
A coastal region of South West Africa. Caption: Africa Namib Desert. Latitude, 19 degrees 23 minutes South. Longitude, 12 degrees 53 minutes East. Midday Dune Temperature, 50 degrees Celsius. Average Rainfall, 2 to 85 millimeters.
Nature's Microworlds
Season 1 / Ep 9
29 minutes 16 seconds
Grade Level: 7 - 12
An area on the map of Africa is highlighted, with a group of deer running in the background. Caption: Okavango Botswana. Latitude, 19 degrees to 20 degrees. Longitude, 22 degrees to 23 degrees East. Average rainfall, 450 millimeters. Temperature range, 21 degrees to 38 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 5
29 minutes 33 seconds
Grade Level: 7 - 12
An area on the map of Scotland is highlighted, and a mountain range with snow covered peaks are depicted in the background. Caption: Scottish Highlands. Latitude, 57 degrees North. Longitude, 4 degrees West. Average rainfall, 3000 millimeters. Temperature range, minus 2 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 13
29 minutes 44 seconds
Grade Level: 7 - 12
A hilly forest region of East Africa. Caption: Serengeti Tanzania. Latitude, 2 degrees 43 minutes South. Longitude, 34 degrees 85 minutes East. Average Rainfall, 700 millimeters. Temperature range, 15 to 28 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 2
29 minutes 18 seconds
Grade Level: 7 - 12
An ice covered region. Caption: Svalbard Norway. Latitude, 74 degrees to 81 degrees North. Longitude, 10 degrees to 35 degrees East. Average W I.
Nature's Microworlds
Season 1 / Ep 6
29 minutes 16 seconds
Grade Level: 7 - 12
A photo depicts a region with a large number of trees and small water pockets. Fog rises from the earth.
Nature's Microworlds
Season 1 / Ep 10
29 minutes 20 seconds
Grade Level: 7 - 12
Three jellyfish of various sizes with ribbon-like and long, straight tentacles. Caption: Well, it appears one creature is a step ahead of us.
News of the Day
Episode 4
1 minutes 51 seconds
Grade Level: 7 - 12
Closeup of a mosquito with proboscis piercing human skin. Caption: When a mosquito infects a person with dengue virus,
3 minutes 17 seconds
Grade Level: 10 - 12
3 people with hats, backpacks, and cameras and several horses, some with riders, hike up a dirt trail on a mountain amongst various flora in the fall. Caption. The mountains of Baja.
Ordinary Extraordinary Junco
Episode
1 hour 32 minutes
Grade Level: 9 - 12
Closeup of terraced moss on a hillside with water dripping from it. Caption: early land plants most likely lived in moist environments.
20 minutes 42 seconds
Grade Level: 9 - 12
Illustration of a stalk of corn showing roots below ground and foliage above ground. Sun Light, CO2, and Sugar are above ground and Water is below ground. Caption: What vital gas is also given off in photosynthesis?
23 minutes 11 seconds
Grade Level: 10 - 12
Photosynthesis, it's a crazy, complicated process.
1 minutes 13 seconds
Grade Level: 7 - 12
Man and woman walking with arms around each other's waist. Caption: humans are truly a privileged species,
32 minutes 14 seconds
Grade Level: 10 - 12
Person looking at a slide in a microscope. Caption: And this is a biochemistry lab.
Profiles Of Scientists And Engineers
Episode 10
6 minutes 55 seconds
Grade Level: 9 - 12
Person in a lab coat and gloves putting on protective glasses. Caption: For Rommie, being a chemist was just the beginning.
Profiles Of Scientists And Engineers
Episode 2
5 minutes 32 seconds
Grade Level: 9 - 12
Protists, single celled organisms.
1 minutes 15 seconds
Grade Level: 7 - 12
Angular aircraft with multiple flaps on each wing sitting on a concrete deck, viewed from below. Caption: (observer) The aircraft's controlled by many movable surfaces,
Nature
Season 25 / Ep 7
29 minutes 48 seconds
Grade Level: 7 - 12
Closeup of a tick on a leaf. Lyme Disease. Caption: Ticks are carriers of Lyme disease.
Real World Science
Episode 20
13 minutes 45 seconds
Grade Level: 4 - 8
Blue tropical fish eating something from a rock covered in plants. Caption: Consumers cannot produce their own food.
Real World Science
Episode 6
10 minutes 8 seconds
Grade Level: 4 - 8
Illustration of the upper respiratory system. A tube extending from the top of the throat down into the chest is labeled as the trachea. Caption: The trachea is about 12 centimeters long
19 minutes 43 seconds
Grade Level: 9 - 12
Computer model of spiral ribbon structures with hollow, hexagonal tubular structures. Caption: (male narrator) What's the best was to know a protein?
Science Nation
Episode 132
2 minutes 33 seconds
Grade Level: 10 - 12
Bat held down by cardboard restraint, pinning wings to body. Caption: how these highly-specialized creatures navigate their world.
Science Nation
Episode 233
3 minutes 36 seconds
Grade Level: 10 - 12
Woman in front of a computer screen in a dimly lit space. Caption: about impacts of night shift work on a woman's body clock.
Science Nation
Episode 154
2 minutes 33 seconds
Grade Level: 10 - 12
A gray eel. National Aquarium. Caption: an electric eel can generate enough current to stun its prey.
Science Nation
Episode 89
2 minutes 33 seconds
Grade Level: 7 - 12
Black butterflies with orange and white wings on a bright orange flower. Caption: (narrator) The colors signal to birds, "Don't eat me, I'm toxic."
Science Nation
Episode 137
2 minutes 33 seconds
Grade Level: 7 - 12
Computer screen displaying two uneven strands of light. Caption: that thrives where life would seem impossible.
Science Nation
Episode 184
4 minutes 56 seconds
Grade Level: 9 - 12
Two people moving a flat of plants. Caption: are reimagining the future of farming --
Science Nation
Episode 235
3 minutes 34 seconds
Grade Level: 10 - 12
Person picking up wood chips and putting them into a plastic bag. Caption: (Huber) Cellulose is basically stored solar energy
Science Nation
Episode 202
4 minutes 55 seconds
Grade Level: 9 - 12
Oysters in the water. Caption: is to restore the oyster ecosystem.
Science Nation
Episode 227
3 minutes 42 seconds
Grade Level: 7 - 12
Map of the world with central and southern Africa highlighted. Arrows indicate movement from there to all areas of the globe. Caption: after the first homo sapiens left Africa 100,00 years ago.
Science Nation
Episode 158
2 minutes 33 seconds
Grade Level: 9 - 12
Alligator in grass. Caption: for a population and genetics survey of alligators.
Science Nation
Episode 88
2 minutes 29 seconds
Grade Level: 10 - 12
Cross section of the human brain. Caption: creating a virtual 3-D image of the brain.
Science Nation
Episode 119
2 minutes 33 seconds
Grade Level: 9 - 12
Clear vial with a glowing pink liquid. Caption: may one day make treating cancer easier
Science Nation
Episode 198
5 minutes 18 seconds
Grade Level: 9 - 12
Small turtle held in a person's hands. Caption: studies sea turtles that are programmed from birth
Science Nation
Episode 175
2 minutes 31 seconds
Grade Level: 7 - 12
Closeup of a green, circular plant with a white center. Caption: have the ability to make diesel-like fuels.
Science Nation
Episode 50
2 minutes 45 seconds
Grade Level: 7 - 12
Large spider with variegated legs crawling on a person's fingertip. Caption: The silk is from golden orb weaver spiders.
Science Nation
Episode 164
2 minutes 33 seconds
Grade Level: 7 - 12
Black salamander with yellow spots crawling on the ground. Caption: to survive in a specific habitat is a structural adaptation.
Science Video Vocab
Episode 90
5 minutes 53 seconds
Grade Level: 1 - 4
Hummingbird hovering in the air. Caption: And they get this energy by eating and digesting food.
Science Video Vocab
Episode 80
4 minutes 1 seconds
Grade Level: 9 - 12
Field of grain like plants. Caption: such as ethanol and propanol.
Science Video Vocab
Episode 16
2 minutes 50 seconds
Grade Level: 9 - 12
A large brown bird perched on a dead branch. Caption: Some birds are carnivores too.
Science Video Vocab
Episode 92
3 minutes 28 seconds
Grade Level: 1 - 4
Graphic of light and dark blue spheres of various sizes. Caption: The food molecules fuel cellular respiration.
Science Video Vocab
Episode 108
2 minutes 40 seconds
Grade Level: 9 - 12
A duck, flamingo, and cardinal. Class is Aves. Caption: All birds are part of class Aves.
Science Video Vocab
Episode 107
3 minutes 44 seconds
Grade Level: 5 - 8
Large turtle swimming on the ocean floor. Caption: Every living thing gets energy from food.
Science Video Vocab
Episode 101
4 minutes 43 seconds
Grade Level: 1 - 4
Closeup of a cluster of mushrooms. Fungi decomposer. Caption: Fungi are another type of decomposer.
Science Video Vocab
Episode 102
3 minutes 40 seconds
Grade Level: 1 - 4
Closeup of a cluster of mushrooms. Fungi decomposer. Spanish captions.
Science Video Vocab (Spanish)
Episode 98
4 minutes 6 seconds
Grade Level: 1 - 4
People walking down a snowy street. Caption: The planet earth has many different kinds of environments.
Science Video Vocab
Episode 8
4 minutes 48 seconds
Grade Level: 4 - 8
Gorilla, chimpanzee, humans. Family is Hominid.
Science Video Vocab
Episode 106
3 minutes 34 seconds
Grade Level: 5 - 8
Herd of cows grazing in a green pasture. Caption: All living things need energy to grow, change and move.
Science Video Vocab
Episode 93
4 minutes 35 seconds
Grade Level: 1 - 4
Industrial plant with smokestacks emitting pollutants. Caption: Increased greenhouse gases in the atmosphere.
Science Video Vocab
Episode 128
2 minutes 48 seconds
Grade Level: 5 - 8
Flock of sheep grazing in a pasture. Caption: Grazers are animals that eat grasses and small plants.
Science Video Vocab
Episode 91
4 minutes 21 seconds
Grade Level: 1 - 4
Computerized image of a skull. Caption: The axial skeleton consists of the skull,
Science Video Vocab
Episode 141
2 minutes 31 seconds
Grade Level: 8 - 12
Giraffes in natural habitat. Caption: Imprinted behaviors are fairly permanent,
Science Video Vocab
Episode 104
2 minutes 34 seconds
Grade Level: 1 - 4
Adult dog with a puppy. Caption: Innate means you we're born with them.
Science Video Vocab
Episode 103
3 minutes 48 seconds
Grade Level: 1 - 4
Herd of elephants in natural habitat. Caption: Animals are living things.
Science Video Vocab
Episode 86
4 minutes 4 seconds
Grade Level: 1 - 4
Butterfly lays the egg, egg hatches to larva, larva changes into a pupa, pupa turns into a butterfly. Caption: They are egg, larva, pupa, and adult.
Science Video Vocab
Episode 131
4 minutes 15 seconds
Grade Level: 5 - 8
Diagram showing a lung structure with no mucus reaching into tissue below and the same lung structure covered in mucus unable to do the same thing. Caption: The mucus clogs the lungs and causes infections.
Science Video Vocab
Episode 105
5 minutes 30 seconds
Grade Level: 9 - 12
Negative feedback loop. Control center (brain), effector, response, feedback, stimuli, receptor, back to control center. Caption: The control center determines the appropriate response.
Science Video Vocab
Episode 110
2 minutes 28 seconds
Grade Level: 9 - 12
Formations of red rock in desert scrub brush. Caption: Rocks are non-living things.
Science Video Vocab
Episode 96
3 minutes 56 seconds
Grade Level: 1 - 4
Microscopic view of bell-shaped organisms on a fine stalk. Caption: All protists share common characteristics.
Science Video Vocab
Episode 126
2 minutes 35 seconds
Grade Level: 5 - 8
View of Earth from space. Caption: They tell us how nature does behave.
Science Video Vocab
Episode 65
4 minutes 17 seconds
Grade Level: 9 - 12
Closeup of a mottled brown spider. Caption: arachnids and crustaceans, have a skeleton on the outside
Science Video Vocab
Episode 134
2 minutes 7 seconds
Grade Level: 5 - 8
Person looking into a microscope. Caption: (Zacharias) What do you do at the lab?
Scientists & Engineers On Sofas (And Other Furnishings)
Episode 4
5 minutes 14 seconds
Grade Level: 10 - 12
Two people walking down a hallway. Caption: we chat with DNA scientist Bruce Jackson,
Scientists & Engineers On Sofas (And Other Furnishings)
Episode 1
7 minutes 12 seconds
Grade Level: 10 - 12
Illustration of a bear in snow. Caption: for the long winter's nap,
Seasonal Science
Episode 2
2 minutes 5 seconds
Grade Level: 7 - 12
Pine Reproduction 101. Pine tree, a male pinecone, and a female pinecone. Female pinecones have a long protrusion from the center and pine needles around the edges. Caption: Each tree has female pine cones and male pine cones.
Seasonal Science
Episode 4
1 minutes 48 seconds
Grade Level: 7 - 12
Raptors. Diagram of a raptor showing keen eyes, curved beak, talons, and a taste for prey. Caption: Raptors migrate south during the winter months
Seasonal Science
Episode 7
2 minutes 43 seconds
Grade Level: 7 - 12
Illustration of a Venus flytrap with a fly caught in one of the traps. Caption: and the predatory carnivorous Venus flytrap, of course.
Seasonal Science
Episode 5
2 minutes 5 seconds
Grade Level: 7 - 12
Person shaking seeds out of the head of a plant into their hand. Caption: Even the smallest seed contains everything needed to grow
14 minutes 5 seconds
Grade Level: 6 - 12
Fossilized dinosaur skeleton still partially encased in rock displayed next to a model of the same dinosaur. Caption: Out of those, only a few are really prepared well.
Shelf Life
Season 1 / Ep 10
6 minutes 25 seconds
Grade Level: 10 - 12
Congo expedition of the American Museum of Natural History May 1909 to November 1915. Black and white photos of explorers with crocodile skulls and a map in the background. Caption: Those explorers had collected crocodile specimens
Shelf Life
Season 2 / Ep 16
5 minutes 58 seconds
Grade Level: 10 - 12
Person holding the fossilized skull of an animal. Caption: but there's still a liveliness and a connection
Shelf Life
Season 1 / Ep 2
4 minutes 35 seconds
Grade Level: 10 - 12
Three turtles, one with a tag around its neck. Caption: The turtles are all here together.
Shelf Life
Season 1 / Ep 2
3 minutes 20 seconds
Grade Level: 10 - 12
Illustration of a person standing on the shoreline next to a squid with a body larger than the person is tall. Caption: had just found a giant squid, and would I be interested?
Shelf Life
Season 1 / Ep 8
6 minutes 24 seconds
Grade Level: 10 - 12
Person in a white coat working in a science lab. Caption: Researchers are making genetically modified silkworms.
Superlife
Episode 5
5 minutes 45 seconds
Grade Level: 10 - 12
Diagram of a cell with spherical objects in the middle. Each object has a clear ring around the exterior. Caption: In eukaryotes, a cell nucleus protects the DNA.
3 minutes 43 seconds
Grade Level: 7 - 12
A meerkat sitting in the sand. Caption: As part of the attempt to understand our world,
The Six Kingdom Classification
Episode 1
17 minutes 5 seconds
Grade Level: 9 - 12
Long grasses and shrubs. Caption: More than 100,000 natural compounds occur in plants,
Science Out Loud
Episode 10
3 minutes 54 seconds
Grade Level: 10 - 12
Person holding a starfish and pointing to one of the arms. Caption: It was clear something was in the water,
4 minutes 38 seconds
Grade Level: 7 - 12
Painting of a squid. Caption: What's happening--the whale's trying to eat the squid.
4 minutes 45 seconds
Grade Level: 7 - 12
Squid with a white body speckled in reddish brown. The color of the head matches the color of the speckles on the body. Caption: His brain has total control over what his skin is doing.
Science Out Loud
Episode 3
4 minutes 32 seconds
Grade Level: 10 - 12
A hummingbird drinking nectar out of a flower.
5 minutes 13 seconds
Grade Level: 7 - 12
Translucent white termites in the dirt. Caption: Termites are social insects,
45 minutes 18 seconds
Grade Level: 10 - 12
Vials and other containers in a science lab. Caption: We've taken the cells out of the muscle tissue.
Superlife
Episode 6
5 minutes 6 seconds
Grade Level: 10 - 12
Artwork of a seed planted in the ground. Caption: The tiny seed hasn't begun to grow yet.
11 minutes 17 seconds
Grade Level: 1 - 3
A sunflower is labeled, Dormancy, to sleep, and, Tropism, to turn.
1 minutes 12 seconds
Grade Level: 7 - 12
Illustration of a woman riding the bow of a ship and holding tulips while a throng of people stand beneath her. Caption: Some call this the first bubble economy.
Superlife
Episode 7
9 minutes 22 seconds
Grade Level: 10 - 12
Several large fish swimming in the water, as seen from the deck of a ship. Caption: Three thousand bluefins are farmed here.
Superlife
Episode 8
7 minutes 12 seconds
Grade Level: 10 - 12
Closeup of a young woman's face. Caption: It's about who you are on the inside.
20 minutes 2 seconds
Grade Level: 5 - 8
Color illustration of a green caterpillar standing on a rock and glancing upwards at an angle. Tall blades of grass in the background.
8 minutes 22 seconds
Grade Level: Ps - 2
A photo of a Cheetah.
Visions of Earth
Episode 1
26 minutes 53 seconds
Grade Level: 9 - 12
A Satellite image of the Earth.
Visions of Earth
Episode 2
32 minutes 41 seconds
Grade Level: 9 - 12
A photo of a glacier.
Visions of Earth
Episode 3
35 minutes 36 seconds
Grade Level: 9 - 12
A boy blows a balloon. Caption: All gases will completely fill any closed container.
Way Cool Science
Episode 4
14 minutes 24 seconds
Grade Level: 4 - 8
A group of people inspecting a waterbody.
10 minutes 11 seconds
Grade Level: 10 - 12
Illustration of a whale swimming underwater. Music note.
4 minutes 28 seconds
Grade Level: 7 - 12
Cartoon image of an open book. Caption: Let's look inside this book and see.
Everyday Science for Preschoolers
Episode 2
1 minutes 39 seconds
Grade Level: K - 2
Closeup of pink flowers with water dripping from them. Caption: Plants also need water to survive.
10 minutes 37 seconds
Grade Level: 3 - 6
Chunk of rock sitting partially submerged in water. Caption: Matter is anything that takes up space.
19 minutes 45 seconds
Grade Level: 6 - 9
A snake on a rock. Caption: All reptiles are cold-blooded,
Everyday Science for Preschoolers
Episode 3
1 minutes 20 seconds
Grade Level: K - 3
A bee gathering nectar from a flower. Caption: A honeybee is an insect.
Everyday Science for Preschoolers
Episode 9
1 minutes 22 seconds
Grade Level: K - 4
Two glasses with colored liquid in them. One glass has a person holding a cylindrical electronic device in the liquid. Caption: and check the parts per million of solutes.
Chemistry: Challenges And Solutions
Episode 8
28 minutes 29 seconds
Grade Level: 10 - 12
White foaming waves crash on a rocky shore. Caption: Their activity ebbs and flows with the tides.
26 minutes 56 seconds
Grade Level: 5 - 8
Person walking through stacked rows of chickens in cages. Caption: This is the age of the designer egg.
Superlife
Episode 9
6 minutes 24 seconds
Grade Level: 10 - 12
Magnified view of cells. Caption: to allow liver cells to grow into functional livers.
Science Out Loud
Episode 18
4 minutes 7 seconds
Grade Level: 9 - 12
Illustration of a net-like structure. Protein. Mucus is a meshwork of proteins
Science Out Loud
Episode 15
4 minutes 22 seconds
Grade Level: 9 - 12
Illustration of the islands of the Caribbean. Haiti and the Dominican Republic highlighted. Caption: Cortés lived on the island for six years.
World Explorers
Episode 10
5 minutes 37 seconds
Grade Level: 4 - 8
Diagram of human upper body with heart, lungs, and circulatory system visible. Caption: such as the respiratory system
10 minutes 45 seconds
Grade Level: 2 - 6