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Science Methods

Within Science

Three different sized wheels lined up together. Caption: You can change the wheel size, the wheel diameter,

Diagrams of what food ants may prefer. Caption: Include pictures of yourself in action,

Four different styles of winged planes. Caption: Do this for all wing designs, then compare your distances

Graph of pulse rate and consumption of water. Caption: There might be one person that doesn't quite fit the trend.

Digital airplane. Caption: The airplane goes through a different medium.

Diagram of creating a science fair project. Caption: Did you prove of disprove your hypothesis?

Large pinecone being measured with a ruler. Spanish captions.

Dirt being poured out of a dump truck. Spanish captions.

Still image from: Human Elements: Do Dogs Hold the Secrets To Aging?

Still image from: Human Elements: How Otters Can Save the Sea

Still image from: Human Elements: In Origami, Science Unfolds

Still image from: Human Elements: My Ancestors Were Scientists

Still image from: Human Elements: The Translator

Still image from: Human Elements: The Water Between the Land and Sea

Still image from: Human Elements: Video Games for a Cure

A diagram illustrates a lot of microbes in the blood, high temperature and a human skeleton.

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.

Illustration of a flat, narrow animal with a tube exiting from the bottom of the body toward the back. Caption: So what is the key to Planaria regeneration?

Microscopic view of an irregularly shaped organism. Spanish captions.

Person stands behind metal rectangle that frames a diagrammed kernel of corn. Parts of kernel labeled, "Starch and Protein," "Starch and Gluten," and "Germ." Text to side reads, "62 percent starch. 20 percent protein. 15 percent water. 4 percent oil."

Person with a blue cylindrical container in their hands. Caption: can also be released as a result of chemical reactions.

Carbon atom with two oxygen atoms. Caption: Carbon dioxide is an example of a compound.

Illustration of a sunny day and a thermometer showing a temperature in the mid 30's. Spanish captions.

Person attaching wires with adhesive to the head of a second person. Ethical guidelines: protecting participants. Caption: not harming them, deceiving them, and so on --

Two different types of bacteria are seen all over a human outline. Caption: 37.2 trillion and 39 trillion.

Infographic shows stacks of paper above text labels. The first is a tall white stack of paper labeled, “Endorse, Human-caused global Warming is Real.” The second is a yellow stack of paper falls down and is labeled, “Excluded, No Position.” The third is a very short stack of red paper is labeled, “Reject, Human-caused global warming is not real.”

Man talks to us next to a framed image that looks like roots in the ground.

Diagram. A little human figure with two dotted lines and two crisscrossed lines that represent light. In the middle of the lines is an almond shape that is labeled, “Lens.” The dotted lines lead up to a dark vertical line that is labeled, “Sensor/Retina.” Next to the dark line is an upside down human next to a right side up human that is labeled, “What you see.” Text, “Bending Light.”

Man with his baseball cap backwards, sits crisscross in a grassy garden outside.

Two people standing apart, both wearing surgical masks.

A woman holds a wailing infant in her arms.

Digital rendering shows a group of purple, green, and red clumps fused together.

Woman sits in a room with a space mural and a bookcase behind her. There’s an image of a spring coil next to her.

Digital DNA strands with two orange arrows measure the width and length of the DNA. Text reads, “34A, 21A.”

Graphic shows a gray fish with a fart cloud next to it. Inside the fart cloud is text that reads, “It’s Okay To be Fart.”

Man talks to us in a room with a bookcase filled with books and knick-knacks like bird figurines, a Gundam toy, and a small globe. Next to his head is a cartoon overlay of a person being electrocuted coming out of an outhouse.

A graph plots pressure in Pascal’s versus temperature in degrees Celsius. The horizontal axis is marked at negative 5, 0, and 100. The vertical axis ranges from 1 kilo Pascal to 100 Mega Pascal’s in increments of exponents of 10. At 1 atmospheric pressure water is in solid ice at negative 5 degrees to 0 degrees, in liquid state from 0 degrees to 100 degrees Celsius, and in vapor form above 100 degrees Celsius.

Digital illustration of an underground tunnel that goes from San Francisco to New York City.

Neon green cartoon eel swimming in water with small fish swimming around it.

Man looks at us as he sits in a room with a bookcase filled with books and knick-knacks such as Gundam toys, bird figurines, and dinosaur skeleton miniatures. A white rectangle labeled, “Self-Centered" is next to text that reads, “Other Oriented.”

Cartoon shows a PH strip above a bucket of water with little green leaves in it. The PH strip has a dark yellow and light yellow stripes on it.

Cartoon shows rays full of green leaves with red and blue sprinkles all over it.

Cartoon shows a cabbage with snowflakes falling round it. Text reads, “Cooling.”

Cartoon shows a close up of a leafy green next to water. The leafy green has a small crevice with little flecks of red.

Cartoon shows a close up of the skin of a leafy green that has cracks and holes and little yellow and white particles floating around it.

Spherical object and a wavy line passing through something in the center. Caption: light particles that shoot off in opposite directions

Still image from: Lab Six: Awesome Moments (Spanish)

Still image from: Lab Six: Faces of Sciences (Spanish)

Still image from: Lab Six: Flying With Science (Spanish)

Still image from: Lab Six: Master of Science (Spanish)

Still image from: Lab Six: Natural Science (Spanish)

Still image from: Lab Six: Red and Green (Spanish)

Alex Dainis stands in the aisle of her lab with her arms wide open. Caption: Here's the lab.

Building on the banks of a river. A sensor is connected to machinery in the house and measures the river, sending information to a satellite. Caption: The stream gauges record the vertical rise or drop

Slide shows yellow text in a white box against a sky blue background that reads, "Light."

Hand holding a small shiny piece of metal being measured with a ruler. Caption: Next, we investigated the process of measuring

Illustration of a starry night sky. Text reads, “Are there Earthquakes on Mars?”

Cartoon of a space rover on Mars signaling a satellite in the distance.

Person in a science lab working with complex machinery. Caption: There is almost no limit to the ways we transmute matter.

Green liquid pouring into a measuring glass. Spanish captions.

Spheres in a cube, lined up in an alternating positive and negative pattern. Caption: by mutual Columbic attraction in a regular pattern.

International Space Station floats above satellite imagery. Text reads, "Ecostress."

Closeup of a rock face erupting with small fires through its cracks.

Street view of the entrance of a large, ornate stone building with 4 Roman-style pillars and wide stairways leading up to it. Several banners advertising different museum displays hang on the building or between pillars.

Illustration of a dog scratching itself. Caption: Look! Everyone's scratching themselves.

Two space rovers stand next to each other beneath a rocky clay colored slope on Mars. Text reads, "NASA Chopper Ready for a Spin on Mars." NASA icon at bottom is labeled, "Jet Propulsion Laboratory. California Institute of Technology."

Person sitting at a desk and talking. Taxidermized animals and insects are on the shelves and desk. Caption: The illness the bacteria causes is called leptospirosis.

Man wearing glasses and a white lab coat speaks while looking at a machine, as Danni Washington watches him with curiosity.

Danni Washington addresses us with her hands clasped, in front of a sun-dappled patch of grass and an old building.

Two pigs, one pink and one brown, stand on a grassy field near us while other pigs congregate in the background, near a large piece of farming equipment on wheels.

Bearded man wears a metal apparatus strapped to his chest, gesturing with a gloved hand as he talks.

Close-up of light-colored soft coral, slightly resembling a head of cauliflower, under deep blue sea.

Group of young children wearing athletic clothes play joyfully on a field, appearing to block one child from getting past them.

Bird with white spots on its black wings perches on a tree. Overlaying this photo is a 2-D animation of a silhouetted swarm of flying birds and dozens of neon green dots.

Danni Washington listens to a man as they stand in a laboratory next to a shelf holding aquariums and equipment.

Gloved hand holding a test tube and a pipette. Caption: Others have very beneficial uses,

Slide shows smeared equations written in chalk on a backdrop to text that reads, "Newton's First Law."

Slide shows smeared equations written in chalk on a backdrop to text that reads, "Newton's Laws."

Slide shows smeared equations written in chalk on a backdrop to text that reads, "Newton's Second Law."

Slide shows smeared equations written in chalk on a backdrop to text that reads, "Newton's Third Law."

The periodic table of elements. A color-coded grid with letters representing each element. Caption: Each row of the table represents a pattern of chemical properties

Rural landscape with a red barn on a hill, in front of a vast forest of trees with bright fall colors, before a sloping mountain background. Scene begins to transition to a small town landscape embedded into an autumnal mountain valley.

Alex Dainis holds a parafilm in the hand. Caption: This is parafilm.

Closeup of the periodic table of elements behind text that reads, "What is the Periodic Table of Elements? for Kids."

Water with chunks of ice floating in it. Caption: Freezing and melting are physical changes.

White ball with craft eyes sits on top of a red, plastic pedestal. 1 side of the ball has its outer layer torn away and exposing the ball's inner core. It appears to have been damaged by some type of impact.

Dianna wears a navy shirt with red, yellow, and pink stripes on the wrists and shoulders. She sits behind a large piece of paper and holds a black marker. A colorful background with science items on a shelf is behind her, and equations appear on screen.

Overhead view of a person's hands demonstrating how to solve a physics problem related to rotation on a large blue sheet of paper.

A C, G, I graphic of a spaceship made in the shape of a planetary ring rotates around a brown planet. The side closest to the planet looks like oceans with clouds and green continents, and the other side looks like a spaceship with glowing lights.

Aerial closeup of 2 arms. The left has a pink sleeve, the right has a red sleeve and uses a black marker to write on a large sheet of paper. The paper shows an X, Y axis with Y axis labeled Force in Newtons and X axis labeled X in meters. Next to this, a drawing that looks like a spring coil.

Host Dianna Cowern, a blonde woman in a red sweater and black scarf, smiles as she holds an old, large book up. Text on screen reads, "Newton's Principia, Original Manuscript," and an arrow points at the book.

In front of a blurred-out shot of this video's set, text reads, "Very Useful Trick. When any two objects collide elastically and energy is conserved, then the difference in their two velocities before the collision equals the negative of the difference between the two velocities after the collision."

Video host looks at us while sitting at a table with physics equations written on a large sheet of paper. Behind her, the set is decorated with a modular shelf holding scientific models, floating equations, and hanging gears.

Aerial closeup of 2 arms wearing denim sleeves with white stars. The right hand uses a large black marker to write on a large sheet of paper. The paper reads, "Energy and work" and has various physics equations.

Man is suspended in the air by a clump of large balloons over a crowd of people. There are multiple desert towers and rock features in the distance behind them. Text on screen reads, "David Blaine," with an arrow pointing to the man.

Aerial closeup of 2 arms in light blue sleeves over a paper. The right hand writes on a large sheet of paper with a thick black marker. The paper reads, "Equation of motion. Y equals Y sub 0 plus V sub 0, T plus 1/2, A, T sup to the power of 2."

Man wearing a gray winter hat, a dark gray hoodie, black snow pants, and red gloves snowboards down a snowy ski slope on a foggy day. A yellow snow making machine and a little building with a red roof are nearby.

Physics equation related to orbital motion is written on a large blue sheet of paper. The host's hand points at a line that represents the Earth's radius.

Aerial closeup of 2 arms. The right hand uses a thick black marker to write various physics equations on a large sheet of paper.

Video host speaks to us with her hands clasped together while sitting at a table with physics equations written on paper. Behind her, the set is decorated with a modular shelf holding scientific models, floating equations, and hanging gears.

Overhead view of the host's hands as she demonstrates how to work out an equation dealing with the relationships among centrifugal and centripetal force and the Earth's rotation.

Overhead view of the host demonstrating how to work out equations of motion involving acceleration, derivatives, sines, and cosines.

Aerial closeup of 2 arms in black sleeves. The right hand writes on a large sheet of paper with a thick black marker. The paper reads, "tangent equals opposite over adjacent (tan). S, O, H, C, A, H, T, O, A. 1." There's a diagram of a 37.5 degree angle and an directional axis labeled N and E.

Video host speaks to us, holding a marker while sitting at a table with physics equations written on paper. Behind, the set is decorated with a modular shelf holding scientific models, floating equations, and hanging gears.

Video host speaks to us, glances to the side and gestures with her hands while sitting at a table with physics equations written on paper. Behind, the set is decorated with a modular shelf holding scientific models, floating equations, and hanging gears.

Students in a classroom setting. Caption: you'll get the voltage of the battery.

Large number of electric sparks can be seen in a plasma ball.

Object being shot from a tube and smashing against a tennis ball that is sitting in a plastic cup.

Three large speakers are present beneath a stage. Caption: Subwoofers

A person adds a substance to a bowl of tonic water. Caption: tonic water and corn starch.

A circular ring of tears on a wine glass. Caption: 5 X speed. Credits, Claudia Falcon.

A spring fixed at one end is stretched below resonance, at resonance, and above resonance. The largest stretch in the spring is seen at resonance.

A comparison of the view, of letters placed below, through a straw submerged in water and alcohol. The view through water submerged straw is more magnified when compared to the view through alcohol submerged straw.

A reflection of a girl is seen on a spoon.

Dianna wears a bright red blazer over a black shirt. She holds up a ladle like a microphone and pretends to interview an orange sitting on a black bar chair next to her. Her laptop is open on a table to her left.

A part of the Large Hadron Collider in C E R N. Notice boards for danger and magnetic field is placed.

A whirlpool forms on the surface of water. Credit: Christine Westerback.

Man in suit and bowtie with a blackboard behind him. Blackboard shows two sets of birds in cages, one with lights, one without. Caption: This pioneering experiment would make Rowan famous.

White and orange parachute glides diagonally through a dark space. Text reads, "Preparing to Land Perseverance."

Two double-decker buses driving on a city street. Caption: then switch to an emotional strategy if that doesn't work.

Gloved hand holding an electronic chip with a pair of tweezers. Caption: they call it an artificial leaf.

Side by side comparison of old and new nutrition labels. Caption: And these differences are all to the consumer's advantage.

Doctor injecting patient in their upper arm. Caption: To prevent the flu, many get the flu vaccine.

Two people at a kitchen counter. Three plastic cups containing liquid sit in front of them. Caption: The water with no salt froze in 15 minutes.

Reliability & Validity. Reliability - the consistency of the findings. Validity - measuring what we set out to measure. Caption: what we set out to measure.

Black-and-white computer drawings split into 3 layers. The top layer depicts fish and reads, "Fish." The middle layer depicts a variety of insects and reads, "Insects." The bottom layer depicts plants and reads, "Algae."

Bird with white belly, dark back and wings perched on a branch in a thicket. Caption: People are more like birds than we thought.

Graphic shows the silhouette of a human head with the brain illuminated and the label, “100%.”

Animated astronaut disembarks from a shuttle that has landed on the white rocky landscape of the moon as the sun shines in the distance.

Blue arrows indicate a cold front moving south towards Kansas and red arrows indicate a warm front moving North into the same region. Areas of North Texas, Oklahoma, Kansas, Nebraska, and Southern South Dakota are highlighted in yellow.

Digital illustration shows a backdrop that displays a brown chalkboard covered in scientific equations behind the text, “Sci Q.”

Person pointing to a spot on an image made of pixelated yellow to indigo spots. Caption: The USGS provides ready access to natural science information

Woman in a white lab coat and protective goggles holds up a dropper over a beaker filled with a green color liquid.

A parent sitting with their baby. Caption: All babies have innate sensitivity to all languages.

Person holding a tubular instrument to their eye. Caption: (narrator) You might say the chemiscope of an agent of change,

People lined up outside a mobile health clinic. Caption: How can we get to the families that need help?

Two small seedlings with their roots in the soil. Caption: optimally suited to survive and thrive.

Person wearing a cap covered in wires while manipulating controls which guide something on the computer screen in front of them. Caption: how brain circuitry controls how we move.

Concrete building with open walls. Wiring, cables, and other instruments are attached. Caption: with their shake test plans in mind.

A team of psychologists monitors a human brain. Caption: our minds process what we see.

3D model of the connection of polymers. Caption: the molecules that gave rise to the first polymers of life,

Person holding a duckling. Caption: So we study how Mom's actions effect these little guys.

Person wearing a cap with wires and sensors attached while looking at a computer screen. Caption: by studying how brain regions interact,

A person working on a machine. Caption: in the presence of a large magnetic field,

Man looking at leaves in a stream. Caption: They're looking at stream health,

Woman loading a jug onto a cart. Caption: If we can lower the cost of the filtration,

An Illustration depicts the bone grafting at the ball and socket joint. Caption: a 3 D printed shoulder customized to spec just for her.

Screen displaying power consumption for individual appliances, over a 7-day period, for the total month, and other metrics. Caption: How do we provide users with fine-grained information

Computer screen showing the cross section of a human brain. Caption: through active areas of the brain in real-time.

Two scientists examining a plant. Caption: (narrator) Plant virologist Steven Lommel is in charge.

Young girl in front of an aquarium. Caption: (narrator) The SciGirls are working together as citizen scientists,

Closeup of a smiling man wearing a suit jacket and glasses. He looks beyond camera in a room with an old computer monitor in the background.

Person holding a smartphone displaying "Galaxy Cluster - The universe is filled with galaxies. 2 billion light years". Caption: It was easier to read than a paper or a book.

Inflatable object passing through a narrow opening in a solid wall to inflate on the other side. Caption: We call these vine robots because they grow

Four soldiers in a desert. Caption: in Kevlar-like body armor.

Spinach leaves suspended from the mouths of plastic bottles over clear liquid. Caption: It was a chance to exercise his innovator's mindset.

Illustration of human body. Caption: Enzymes, antibodies, even our muscles are all protein based.

Small furry animal perched on two legs in woody scrub with no leaves. Caption: This is the Arctic ground squirrel.

Two people sitting at computer screens while a person on stage plays a wind instrument. Caption: to teach the computer to play the clarinet too.

Person pointing at fabric. Caption: Try these biomedical textiles on for size.

Three young women sitting at a table. Caption: She said the all-girls summer camp builds confidence.

People working in a science lab. Caption: That's why it's important to follow basic safety rules.

Person wearing safety goggles and pouring something down the drain of a sink. A red circle with a line through it covers the container being poured down the drain. Caption: They cannot be washed down the drain

People wearing rubber gloves, plastic aprons, and protective goggles in a science classroom. Caption: It's vital to wear the right type of clothing for lab safety.

Person placing one edge of a cover slip onto a glass slide. Place cover slip onto slide. Caption: Touch one side of the cover slip to the slide.

Person weighing a beaker on a triple beam scale. Caption: The triple beam balance may only be accurate to the nearest gram.

Diagram describing water. Caption: It uses arrows to emphasize the connections

Nine planets orbiting around the sun. Spanish captions.

View of Earth from space. Caption: They tell us how nature does behave.

Ice cube being dropped into a glass of water. Spanish captions.

A chalkboard with math equations. Caption: and has not been disproved becomes a theory.

A chalkboard with math equations. Spanish captions.

Two people looking at yellow fluid in a bottle. Caption: in a universal scientific language.

Two young people in a kitchen. Caption: they recorded their observations.

Person with an electronic device with exposed wires and other components. Caption: and I've set up some testing stations for our experiment.

Slide shows text on a background with chemical symbols and an orange double helix that reads, "Scientific Method."

A snake with another animal mostly swallowed. Venom varies. Caption: The venom helps digest the meal.

Still image from: SciShow: The Truth About Truth Serum

Closeup of sponge-like light brown substance. Caption: in the science of sourdough culture.

Triangle divided into 3 horizontal sections, illustrating the Serengeti Ecosystem. The bottom section has an image of grass labeled Producers. The middle has an image of oxen labeled Herbivores. The top has an image of a lion labeled Predators.

Hand holds laboratory tongs with flaming object over a baking sheet sitting on a stove. Title card reads, "Shedding light on energy, Episode 1. Forms of energy."

Clothespin holds a glass tube containing a yellow substance over the shaft of a Bunsen burner. Title card reads, "Shedding light on heat, Episode 2. Changes of state."

Closeup of a person's midsection. Person wears white and wraps their arms around themself. Title card reads, "Shedding light on heat, Episode 6. Heat and the human body."

Planet cast in shadow is surrounded by a glowing aura and the expanse of outer space. A stellar object glows in the distance. Title card reads, "Shedding light on heat, Episode 5. Heat transfer."

Flames rise from a stone firepit on a patio. Title card reads, "Shedding light on heat, Episode 1. Temperature."

Midsection of a person dipping an object in a beaker full of clear liquid. Beaker rests on a table next to a Bunsen burner. Title card reads, "Shedding light on heat, Episode 4. The Kelvin scale."

Closeup of twisting yellow and red roller coaster tracks. Title card reads, "Shedding light on motion, Episode 2. Acceleration."

Satellite floats between 2 planets in space. Title card reads, "Shedding light on motion, Episode 6. Newton's first law."

Closeup of men in skydiving gear. They hold on to a bar as they hang high in the air. Title card reads, "Shedding light on motion, Episode 7. Newton's second law."

2 crumpled demolition cars crash into 1 another in a dirt lot. Title card reads, "Shedding light on motion, Episode 7. Newton's third law."

Satellites float in space around Earth. Title card reads, "Shedding light on motion, Episode 3. Relative motion."

Plane with shining lights takes off from a runway and flies above a grassy field. Title card reads, "Shedding light on motion, Episode 1. Speed."

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

Three turtles, one with a tag around its neck. Caption: The turtles are all here together.

Irregular pinkish-brown shapes on a white background. Caption: you can actually really see that very fine cellular detail.

Slide shows black text on a background of overlapping gray gears that reads, "Simple Machines."

Man with gray hair and a beard writes a math equation with chalk on a blackboard.

A small lizard.