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Science Methods

Within Science

Three cartoon characters talking to a bird. Caption: Operation Save The Emperor is a go!

Cartoon character clutching a book to his chest. Caption: It contains the secrets of Cyberspace.

Cartoon of a person filling in a table with the following information for canisters: per student (1), per class (20), per school (340). Caption: And two thousand forty cans for all six schools!

Cyberchase cartoon. Matt, Jackie, Inez, Digit, Slider, and Buzz look over a railing at a river flowing through a deep ravine. Behind them on land are tents, lawn chairs, trees, and a gazebo.

Still image from: Deadly Predators: Ultimate Predator

Closeup of a light brown cricket camouflaged in the dirt.

Shovel digging into gravel. Spanish captions.

Still image from: Dinos From A to Z: Classification

Person laying on the ground with tools and buckets spread around them. No Trespassing sign. Caption: The paleontologists in the field uncover an exciting find.

Map of North and Central America. Different areas of the map are highlighted to indicate the habitat areas and 5 birds are superimposed on the map. The highlighted areas are concentrated in central Mexico, the west coast of the United states, and much of Canada and Alaska. Caption: they changed eye color from yellow to dark.

A small bird perched on a person's hand. It is gay with some brown on the wings. Caption: It's much more olive-gray, duskier gray on the head.

Gloved hand reaching into a pile of partially decomposed plant matter. Caption: which are decaying to make a rich, dark compost

Closeup of 2 beakers filled with 60 milliliters of clear liquid. Next to the beakers are a brown cylindrical object a black cube. Man in the background reaches his hands towards the objects.

Line graph shows Estimated Carbon Dioxide Emission from China. Text reads, "Given the overall trend shown in the line graph, would you expect an increase or decrease in carbon dioxide over the next 5 years? The overall trend indicates an increase in carbon dioxide.

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 illustration of a triple beam balance scale with a beaker filled with blue liquid. Text above reads, what is the mass of the beaker and fluid?

Straight rows of chicken eggs in gray cardboard trays. The left tray contains brown eggs. The right tray contains white eggs.

Still image from: Emily's Science Lab: DIY Fire Extinguisher Experiment

Still image from: Emily's Science Lab: Edible Worms Experiment

Still image from: Emily's Science Lab: Exploding Sandwich Bag Experiment

Still image from: Emily's Science Lab: Waterproof Cocoa Experiment

People sitting at a table with paper spread in front of them and people working in a science lab. Caption: Engineers apply principles of science and mathematics

Woman stands in front of a black backdrop and talks to us like she's doing an interview.

4Fe+3O2+4H2O converts to 2Fe2O3*2H2O. Caption: This causes the iron to become a hydrated iron oxide,

A small bird perched on a plank. Caption: Somehow, there was a critical mass action that took off.

Glowing star shining light on a planet. Caption: That tells you there may be a planet around that star.

Three girls wearing lab coats and safety goggles present a box of pasta. In the foreground, we see a clipart explosion with the text, “Pasta Rocket!”

Illustration of interconnected objects coming apart where light hits. Caption: The light causes the short chains to disassemble

A man with a pole collecting something off a large rock on the ground. Caption: He's collected scorpions in over two dozen countries

Still image from: Fermi Gamma-ray Space Telescope--14 Years of Observations

Green and yellow John Deere tractor with extra attachments that help till the soil. Dust clouds around it as it drives in the dirt. Text reads, “Agriculture’s Information Revolution.”

Man walks down the freezer aisle at a grocery store. Text reads, “Food Safety, Preservation, and Packaging.”

Greenhouse with rows and rows of plants growing. Text reads, “Food Systems and Agricultural Sustainability.”

DNA strand that wraps around a dark area, almost looking like a roller coaster. Text reads, “Genomics, Genetic Engineering, and Genome Editing.”

Open cans of food going through an old machine as it is being produced. Text reads, “History of Early Food and Agricultural Sciences.”

People riding bikes and running on a path with a sandy beach in the distance. Text reads, “The Science of Human Nutrition, Diet, and Health.”

Science lab with people in lab coats and gloves on working with different scientific equipment. Text reads, “The Scientific Analysis of Food.”

Person stirring a white liquid in a large pot. Caption: While we're waiting for that to heat,

Milk, ice cream, butter, ranch dressing. Caption: These are all oil-and-water mixtures that don't separate:

Person marking a spot near the lip of a round plastic container. Caption: Combine 1 pound of sugar with 1/2 gallon of water

People standing side by side in a line. Caption: Step 3. Pass Potato 2 around room for all students to handle. Place in a resealable plastic bag (slightly moist) and set aside.

Three people standing. One person is chewing something. Caption: Step 3. When you unplug your nose, you should experience the flavor of mint as it rushes through the olfactory nerve.

Measuring cup with 350ml of popcorn. The soft starch inside the popcorn becomes inflated and spills out.

Blocks of cheese, loaf of bread, and pickles in a jar. Caption: That's interesting because that's on the nutrition labels.

Open aluminum can. Caption: This is because gas is rushing from an area of high pressure

Title text reads, "Fossils for Kids," over a digital illustration of various dinosaur skeletons.

2 grizzly bears on the edge of a lake drinking water while snow falls. Text on the screen reads, "From ants to grizzlies. A general rule for saving biodiversity."

Twelve cakes of fizzy snowflakes in yellow, pink, and blue on a cutting board.

Illustration of a sphere with an uneven surface. Caption: Scientists strip away the virus's harmful genes

A D N A strand labeled, mutación, has its section highlighted and labeled, proteina Spanish Caption: El principio de la terapia genica.

Wall of hundreds of different images with the planet earth and a glowing light bulb in front. Text reads, “Global Science. Green Tech, the Future of Our Planet.”

Wall of different images with the planet Earth and a glowing light bulb in front. Text reads, “Global Science. Medicine, Researching our Next Cure.”

A group of people inspecting a skeleton.

Still image from: Gravity for Kids

A researcher displays G F P in a graduated tube. Caption: This is G F P or green fluorescent protein.

Still image from: Help NASA Capture the Sounds of a Total Solar Eclipse

A cast of horseshoe crab in the swampy waters. Caption: The tail, or telson, acts like a rudder when swimming

A house plant. Caption: I decided to focus on plants for my new distressing techniques.

An illustration of solar system.

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.”

Still image from: Journey to the Microcosmos: A Two-Headed Ciliate and Other Adorable, Dead, and Extinct Things

Still image from: Journey to the Microcosmos: Can Algae Fuel Our Cars?

Still image from: Journey to the Microcosmos: Getting to the Root of Nitrogen Fixation

Still image from: Journey to the Microcosmos: Giant Microscopic Cannibals

Still image from: Journey to the Microcosmos: How Electricity Brings Order to Chaos

Still image from: Journey to the Microcosmos: How to Name a Microbe

Still image from: Journey to the Microcosmos: How to Not Kill an Extremely Rare Microbe

Still image from: Journey to the Microcosmos: How We Find Our Microbes

Still image from: Journey to the Microcosmos: How We Got the DNA From This Extremely Rare Ciliate

Still image from: Journey to the Microcosmos: Leeuwenhoek--The First Master of Microscopes

Still image from: Journey to the Microcosmos: Lichen--The Mysterious Love Child of Fungi and Algae

Still image from: Journey to the Microcosmos: Meet the Microcosmos

Still image from: Journey to the Microcosmos: Preserving the History of the Microcosmos With Prepared Slides

Still image from: Journey to the Microcosmos: Sand Is Full of Life and Death

Still image from: Journey to the Microcosmos: Slime Molds--When Micro Becomes Macro

Still image from: Journey to the Microcosmos: Stentors--Single-Celled Giants

Still image from: Journey to the Microcosmos: The Dark History of Sea Monkeys

Still image from: Journey to the Microcosmos: The Microcosmos Is a Very Stressful Place

Still image from: Journey to the Microcosmos: The Microscope Upgrades We've Made Along the Way

Still image from: Journey to the Microcosmos: Tumbling Down Invisible Highways

Still image from: Journey to the Microcosmos: We Dipped Our Lens in Oil to See More Detail

Still image from: Journey to the Microcosmos: We Upgraded Our Microscope!

Still image from: Journey to the Microcosmos: What Even Is a Species?

Still image from: Journey to the Microcosmos: What Microscope Do We Use?

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: Into the Lab (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)

Still image from: Lab Six: The Hands (Spanish)

Still image from: Lab Six: The Science Squad (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

Still image from: Let's Learn: Do You Hear the Long 'U" in Unicorn?

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

Still image from: LIGO: The Way the Universe Is, I Think

Still image from: Magnets and Electricity STEM

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

Still image from: Making Sense of Cancer With Hannah Fry

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.

Still image from: Mission Unstoppable With Miranda Cosgrove: Songs, Sweets, and Space

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.

Still image from: Museum Access: Chicago Botanic Garden (Glencoe, IL)

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.

Several people stand surrounded by bamboo and other foliage while a few look inside small vials. Caption: in the diversity of those millipede families

A woman seated at a desk in a suit jacket surrounded by books and preserved specimens. Inset picture: Bear-like creature - Caption: Beardogs! … They're a thing. As named, they resemble a mash-up for a bear and a dog.

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

Still image from: Overview: U.S. Streets Are Dangerous. We Can Fix Them!

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.

Still image from: PACE Satellite Acoustic Testing With the United States Marine Band

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.