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Earth Sciences

Within Science

Map of Alaska with Anchorage displayed. 1964 Epicenter indicated on coastline in bay adjacent to Anchorage. Caption: The epicenter was in Prince William Sound

A group of people visiting an active volcano. Caption: scientists visited New Zealand's topol volcanic zone,

A diagram illustrates certain traits recurring in a grain plant. Caption: Those traits remain the same generation after generation.

Closeup of a crocodile with its mouth open. Inset of a blue, green and yellow infrared image at left.

Aerial view of a rolling red rock landscape with a small arch formation in foreground.

Earth floats in darkness as cracks in its surface emanate orange light.

Yellow wildflower in foreground, low shrubs and dead trees in background. Boulder County Colorado Front Range. Caption: (Rother) This is a portion of the 2003 Overland Fire.

Closeup of hands holding a narrow, red tubular object. Caption: With a warmer climate, do we suspect to see more fire?

Close up on flames burning a piece of bark. In the background, rows of trees have been flattened and burnt to the ground. Text reads, “A World Without Forests.”

View of a field with brown and black cows scattered around as they eat grass. In the distance are large silos and barns. Text reads, "Agriculture and Rural Land Use."

The Trafalgar Square, Central London from above. A tall statue with a long Roman column that has a man standing at the top. On either side of the statue are two blue tiled water fountains. People are sitting on the steps. Text reads, “Cities and Urban Land Use.”

Geographical map of the entire world with the country’s borders drawn in. Text reads, “Political boundaries.”

Geographical map of the United States and Central America at night. City lights glow all over the map, concentrated around major areas and cities like New York City, Los Angeles, Chicago, etc. Text reads, “Population Distribution and Migration.”

Library bookshelves with many different books with different sizes, shapes, and colors. Text reads, “Portraying The Earth.”

Man crouches next to a child in a wooden chair and extends a hand to another child who sits in front of a woman and baby. They appear to be in a rural home or classroom setting without walls. Text reads, “The Tools of Human Geography.”

Crowds of different people, ranging from adults to young children, stand outside as if waiting for something. Text reads, “Understanding Human Culture.”

Scuba diver swimming above a wooden ship submerged in shallow water. Caption: In the Baltic and Arctic, wooden ships are preserved.

Scuba diver swimming above a flat surface covered in ocean detritus. Caption: the oceans are a tremendous place to work.

Dry, brown grass and brush with crumbling rocks throughout and a flat-topped rocky hill in the background. Caption: punctuated by hills, badlands, and bluffs --

Person walking through low hills of green and brown shrubs and rock strewn in red soil. Caption: through the Texas Panhandle.

Text reads, “All About Africa For Kids,” bordered with colorful African art patterns.

Digital illustration shows an Australian landscape in orange and yellow looming behind two trees and a rock formation. Text reads, “All About Australia for Kids.”

Digital illustration of a globe with North America highlighted and labeled. Text reads, “All About North America For Kids.”

Split image of bright sunny day and night sky with equal sign in the middle. Caption: because, at those times, the day is exactly equal to the night.

A tree in the four seasons - spring buds, green summer foliage, orange and yellow autumn leaves, and bare winter branches with snow. Caption: Why do we have seasons?

Illustration of a man sitting at a desk, looking off into the distance at nothing. Caption: Maybe the continents drifted apart.

Man sitting outside looks at us as he talks, gesturing with his hand forward as he speaks.

A subduction zone. In a subduction zone oceanic plate dives beneath the continental plate. Contact at time equal zero. G P S at time equals zero. Caption: Megathrust earthquakes most commonly occur

Four mammals, one with short, curved horns, grazing on grass. Spanish captions.

Title text reads, “Biomes & Ecosystems” against a background that shows a digital portrayal of habitat, including plants, animals, and a person.

Cactus growing on a hill. Spanish Caption: va desde el sur del estado de Sonora

People in full-body orange and black clothing with gear standing on ice in pockets of water. Caption: to trace where the black carbon is coming from.

Two children play on the beach as small waves come crashing toward them.

A construction sight beside a water body. Caption: In an attempt to save the threatened Aral Sea.

Lighthouse with outbuilding and trees as seen through dense fog. Caption: The old lighthouse shimmers in and out of view--

Orange sky and bright sun peek through dark clouds. Text reads, “Introduction to Climate Change.”

View of farmland, desert, and a mountain range in the distance. Text reads, “Coastline, Mountain Ranges, and Valleys.”

Closeup of coral colored cactus blooms on a prickly sage colored cactus. Text on image reads, "Deserts, Rivers, Earthquakes and Human Geography."

Rolling two-peaked hill and valley covered in trees. Caption: Inexplicably, Capulin Volcano is tree covered,

A tree lined river with steep banks on one side. Caption: you have groundwater that flows into the river

Illustration of a smiling green Calcium nutrient with a charge of two. Text reads, “Divalent Cation.”

Rolling brown foothills ending in San Francisco Bay with the Golden Gate bridge in the foreground. Caption: This movement is called an earthquake.

An illustration depicts a robot talking to a bird. Caption: This one is my favorite; it's quartz.

A diver carries two oxygen cylinders and dives deep into the Floridian aqufier. Caption: It's the primary source of fresh, clean water.

Evergreen trees covered in snow. Caption: We'll look at some factors that affect climate.

Title text reads, "Climate Zones," against a background of tropical leaves.

Title text reads, "Climates," against a blue background.

Herd of bison grazes on dry grass. Text on image reads, "Core Biology. Environmental Sciences."

Illustration from behind of a man shielding his face with his arm. A large, tattooed person with a gaff stands to his side with shadowy figure holding a gaff in the distance. Rain splashes down. Title card reads, "Moby Dick, Herman Melville."

Green foliage in foreground overlooking basin with a lake surrounded by tree covered hills. Caption: The kinds of plants that came back were even more flammable.

Aerial view of mountains with water-filled craters. Caption: I became curious what this was like in the past.

Still image from: Crash Course Biology: Ecology--Rules for Living on Earth

Still image from: Crash Course Biology: Fungi--Death Becomes Them

Still image from: Crash Course Biology: Water--Liquid Awesome

Still image from: Crash Course Chemistry: The Global Carbon Cycle

Still image from: Crash Course Earth Science: How to Get Resources--Picky Pineapples

Still image from: Crash Course Earth Science: Up, Up & Away

Still image from: Crash Course Kids Earth Sciecne: Weathering and Erosion

Still image from: Crash Course Kids Earth Science: A Change of Scenery

Still image from: Crash Course Kids Earth Science: A Fresh Future

Still image from: Crash Course Kids Earth Science: Big Changes in the Big Apple

Still image from: Crash Course Kids Earth Science: Big Changes in the Big Forrest

Still image from: Crash Course Kids Earth Science: Current Events

Still image from: Crash Course Kids Earth Science: Dinosaur Pee?

Still image from: Crash Course Kids Earth Science: Four Spheres (Part 1--Geo and Bio)

Still image from: Crash Course Kids Earth Science: Four Spheres (Part 2--Hyrdo and Atmo)

Still image from: Crash Course Kids Earth Science: H2O-NO--Fresh Water Problems

Still image from: Crash Course Kids Earth Science: Landforms Hey!

Still image from: Crash Course Kids Earth Science: Let's Take a Hike

Still image from: Crash Course Kids Earth Science: Resources--Welcome to the Neightborhood

Still image from: Crash Course Kids Earth Science: Severe Weather

Still image from: Crash Course Kids Earth Science: The Great Aqua Adventure

Still image from: Crash Course Kids Earth Science: Water Fight

Still image from: Crash Course Kids Earth Science: Water Fix

Still image from: Crash Course Kids Earth Science: Weather Channels

Still image from: Crash Course Kids Earth Science: Weather vs Climate

Still image from: Crash Course Kids Earth Science: What on Earth

Still image from: Crash Course Kids Life Science: Climate Change

Still image from: Crash Course Kids Life Science: Food Webs

Still image from: Crash Course Kids Life Science: Home Sweet Habitat

Still image from: Crash Course Kids Life Science: The Dirt on Decomposers

Still image from: Crash Course Kids Physical Science: Down to Earth

Still image from: Crash Course Kids Space Sceince: Following the Sun

Still image from: Crash Course Kids Space Science: Earth's Rotation and Revolution

Still image from: Crash Course Kids Space Science: Glow On

Still image from: Crash Course Kids Space Science: Seasons and the Sun

Still image from: Crash Course Kids Space Science: Why No Polar Pineapples

Still image from: Crash Course Life Science: Land and Water

Still image from: Crash Course Life Sciene: The Basics of Freshwater

Narrow paved path spiraling to the top of a rocky conical structure. Caption: a great fissure opened up in Central Idaho

Whale fin breaking through the surface of the water. Caption: See nature, wildlife, glaciers."

Ominous gray clouds in the sky. Caption: This creates moisture in the air.

Four pictures of beaches, roads and bridges being washed away by stormy water. Caption: It can severely erode beaches and coastal highways.

Platform with large machinery and people on it floating in the water close to shore. Caption: NOAA's sentinels are water-level observing platforms

A large spiral shaped storm on Earth's surface as seen from space. Caption: Tropical cyclones extract heat from the ocean

Map of Earth with Africa, Australia, Europe and Asia in view. The water on the map shows large portions highlighted in orange. Caption: Tsunamis can strike any coastline in the world

Aerial view of the ocean. Caption: This disturbance causes a transfer of energy

Needle on paper resulting in jagged peaks and troughs with a sinuous wave overlaid. Caption: It detects tremors, calculates the epicenter,

Person swimming in water. Caption: Even though Earth is spinning, we're not able to feel it.

A shaft of light streaming from a hole in the wall of a small, enclosed burrow illuminates a rodent. Caption: Kangaroo rats pass the days heat

Depressions in the sea floor with noticeably different liquid in them. Caption: They're very similar to lakes and rivers on land.

Long, spindly legs protrude from an extremely narrow body and other strange creatures. Caption: It's not like life like we're used to on the surface.

Map of the Pacific Ocean and surrounding landmasses with the coastlines highlighted. Underwater images of craggy rocks and deep fissures. Caption: scientists have nicknamed the area the "Ring of Fire."

Glowing lava and steam spew rocks under the water. Caption: how ocean islands and undersea volcanoes are born.

In foreground a flat, barren landscape with a large cloud of dust. In the background there are some out-of-focus hills. Caption: The sand forms gigantic dust carpets,

Text reads, "Deserts of the World!" against a background that shows the rippling sand of a desert.

Close-up of planet Earth with swirling clouds and areas without clouds.

A river with brush lining the banks winds down from a mountain through evergreen trees. Caption: Here there is no fancy visitor center.

Rock formation rises sharply from evergreen tree covered ground to end in a narrowed flat-topped peak. Caption: (male narrator) There's nothing quite like it.

Hands cupping plant detritus from the ground. Caption: it becomes dirt.

Closeup of a person's hand pointing at a spot on a globe in east Russia.

Split screen photos of a flat snowy area and the ocean. Text reads, Scientific methods. Step 1: Problem or Question. Why does the fresh water in ponds freeze before the salt water in oceans.

Digital map of North America with a title overlay that reads, "Weather Map." A red letter L is visible near California, Washington, Mexico, Wyoming, and Mississippi. A blue H is visible near Texas, Missouri, and Tennessee.

Digital map of Earth with an overlay illustration of a flat sphere shape. Text reads, "Robinson Projection."

Digital heat map of the United States with title that reads, "Frequency of Damaging Earthquake Shaking Around the United States." The western U, S, is red, orange and yellow. The eastern U, S, is green, blue, and yellow.

Cart ascending roller coaster track. Caption: What are the reservoirs for the carbon cycle?

Layers of red sedimentary rock forming the cliffs to the Grand Canyon. Caption: (woman) Question of the day: How was the Grand Canyon formed?

Map of Earth against starry sky with the tectonic plates outlined around the continents. Caption: is covered by ten major tectonic plates,

Illustration of the Earth. Caption: Noon is when the sun is highest in the sky.

Trees, water, mountains, desert, and plain with river. Caption: Biomes are like little kingdoms.

Earth with a thin halo labeled as greenhouse gases. Caption: Greenhouse gases are mostly water vapor and carbon dioxide.

Two parallel peaks of rock with a line of magma rising between them. Arrows point to each of the peaks. Divergent boundaries occur on the sea floor. Caption: The magma quickly hardens and forms.

Matter - icons representing solid, liquid, and gas. Caption: of a solid, a liquid, or a gas,

Wide shot of an active volcano at night. Text reads, "Geology, the study of the origin of the Earth, along with its rocks, minerals, landforms, and all of the processes that have affected them over the course of Earth's history."

Digital map of earth with longitudinal lines running all the way across. The time on the clock is labeled on bottom and the time differences are labeled on top. The middle section is labeled at 12:00 and 0 time difference.

Boiling orange-red magma. Caption: the most violent natural forces in our planet--

Color illustration of rock and sediment layers of synclines and anticlines demonstrating plate tectonic, volcanic and earthquake influences on rock movement.

Text reads, "Earthquakes & TSunamis" against a background that shows a digital illustration of waves of seismic activity on a graph.

Inside of industrial p0lant showing metal vats with complex metal tubing. Caption: We're liquefying the sugars out of the biomass.

A sketch of a dinosaur, and a man is seen standing below. Caption: Argentinosaurus, 35 meters approximately equals 114 feet. 70 metric tons approximately equals 154,000 pounds.

Slow moving current passes by a grouping of rocks partially covered with moss.

Two rat like creatures are seen fighting. Caption: Illustration by Velizar Simeonovski, copyright Darin Croft. From horned armadillos and rafting monkeys: The fascinating fossil mammals of South America.

Bright neon green waves crash to shore with text below that reads, "Harmful Algal Blooms."

Computer rendering of a walrus perched on the shore, rearing is head back with mouth open, showing 4 long, thick teeth protruding from its gums on the top and bottom.

Digital graphic of the carbon cycle shows a factory producing fossil fuels that go into the air, and then into the soil, which goes into the water, and into the sediment under the water. Arrows move in a circle to show how the cycle goes on and on. Text reads, “Carbon Cycle.”

Dickinsonia fossil from the Ediacaran that is symmetrical and round with rib-like segments that are radially inclined towards the wide end from a central ridge.

A geographical representation of Mediterranean sea, which is enclosed by land, on the north by Europe, on the south by Africa, and on the east by Asia. Caption: M S C recreation by Aaron Micallef, Daniel Garcia-Castellanos, Angelo Camerlenghi, University of Malta, Medsalt.

A Wooly Rhino is grazing on the slope of a mountain.

Sandy path with differently-shaped footprints in the sand. There's a light tan rock in the middle of the area.

View of a rocky beach and a gray sky over the water.

$Computer rendering of how earth might have looked billions of years ago. It's mostly white and light gray with a fracture of blue down the middle along the horizontal axis.$

An illustration depicts the earth of 50 million years ago, with a supercontinent Laurasia. Caption, Paleographic animation by C R Scotese.

Computer rendering of a dinosaur skeleton depicting a creature with short front arms and a long tail that walks on its hind legs.

Herd of reindeer passes through a snowy clearing with tall trees in the distant background. Some reindeer lean down, pushing their snouts into the snow.

A giant deer roams a grassland.

A pair of Ichthyosaurs hunting prey in the sea.

A painting of a flooded forest, and insects are seen crawling on the tree surface.

A group of Hippos and Giraffes are grazing in a forest.

A group of four legged terrestrial creatures. Caption: Synapsids.

Rocky slope covered in scree. Caption: Weather and gravity are at work loosening soil and rock

Under the label “Beta-Glucose,” we see a beta-glucose chemical formula with a face looking towards another beta-glucose formula as it tumbles.

Diagram of two plates of the Earth's crust causing an earthquake. The epicenter is at the junction point of the plates below the surface. Caption: Seismic waves - Waves that transmit the energy released by an earthquake.

Graphic of peaks and valleys below the surface of the water. Caption: And satellites unveil the seafloor,

Lava spewing from a crack in the Earth's surface. Caption: for scientists from the Hawaii Volcano Observatory

Light brown earth dotted with low lying shrub brush. Caption: (narrator) The typical desert seems to be hot and dry deserts,

Grass and wildflower covered field surrounded by evergreen trees and snow-capped mountains. Spanish captions.

Hand holding a leaf. Almost entirely camouflaged on the leaf is an insect. Caption: with lots of moss on tree trunks and leaves

Text reads, "Extinction for Kids," over a digital illustration of dinosaurs on a beach at sunset.

A field of burned grass with a tractor in the middle of it. Caption: As you can see, it's devastated the whole district.

Trees with partially bare branches and yellow and brown leaves. Caption: In fall, the days continue to get shorter.

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Earthquakes."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Flooding."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Hurricanes."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Thunderstorms."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Tornadoes."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Tsunami."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Volcanoes."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Wildfires."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. World's Coldest Places."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. World's Hottest Places."

Active volcano with plumes of white smoke billowing up into the air from a red river of lava encircling the base of the volcano.

A diagram illustrates a fish.

Aerial view of destroyed house and fallen trees. Caption: These can cause catastrophic damage as well.

Rolling hills lead into a wide valley. Caption: Known as Fossil Lake, Fossil Butte National Monument

Group of 4 kids work on a collaborative activity in a classroom setting while a teacher stands by to observe. Text on image reads, "Problem Solve Collaboratively."

Text reads, "Geology and Rocks for Kids," against digital illustrations of four kinds of rocks.

A glacier between two mountains covered in snow. Caption: (narrator) The last great Ice Age ended about 10,000 years ago.

A mountain covered in snow. Caption: (male narrator) They exist on every continent on earth except Australia.

Wall of different images with planet Earth and a glowing light bulb in front. Text reads, “Global Science. Nature, Discovering Our Planet.”

A river runs through the grand canyon. Caption: A ribbon of water cuts through the rock,

A rodent peeking out of an underground tunnel. Caption: dig elaborate underground cities with dens, sleeping areas,

Dirt road surrounded by grassland and wildflowers. Road leads to a gentle hill in the distance.

Person talking with an inset picture of a laboratory. Caption: People usually think science happens in the lab.

Sloped hills leading to a body of water. Caption: from which the Hagerman fossils have been excavated.

Dry, brown hilly terrain. Caption: The landscape and the vegetation changed rapidly.

Streaks of dark and light. Caption: the climate was still unstable, particularly the spring of 536.

Woman with shoulder-length brown hair and lips parted mid-speech. Title card reads, "How Wildfires Become Wildflowers."

Still image from: Human Elements: Elevating Indigenous Science

Still image from: Human Elements: The Flower on the Cliff

Eye of a hurricane swirls on a dark background with glowing blue data visualizations. Text underscored with orange and red reads, "Hurricane Alert."

Still image from: I Can Be Anything I Want to Be A to Z: Petroleum Engineer

Block of glacial ice rests on gravelly black ground with round balls of snow falling around it.

An illustration of an ice core with years labeled, from top to bottom, 0, 10, 100, 1000, 10000, and 100,000.

A cartoon shows an example of a T V weather report, extra sunny or cloudy rainy.

Igloos and tents are built on a glacier.

An illustration depicts different layers of an ice core. The layers may contain volcanic remains, dust, and pollen, from a corresponding period.

Busy freeway with palm trees and high-rise buildings in the background. Caption: virtually identical to the San Andreas

Black illustration on aqua blue background. Man in hard hat frowns and rests chin in hand while holding a conical flask in other hand. Question mark floats above him. Title card reads, "Serious Science. Decoding the Science of Crude Oil."

Black illustration. Cyclic diagram begins with a corn plant at the top. From there, arrows connect to an ethanol refinery, fuel pump, and person driving a car emitting a red puff cloud labeled, "C, O, 2." A green arrow labeled C, O, 2 points to the corn.