With over 600 muscles in our bodies, we must learn how to give them attention and stay active to maintain a healthy and balanced lifestyle.

Watch the video, and then write down or tell someone three things you learned. What are you still curious about? How can you learn more?

Ever wonder how a Rubik's Cube works and functions? Take a look inside this tricky puzzle and see if you think you can solve it!

Can kelp farming help slow climate change? Learn about the pros and cons of producing this underwater resource.

Use actual data to better understand how rising sea temperatures are affecting coral reefs, some of the most diverse and important ecosystems on Earth.

Use this downloadable worksheet to suck some math practice out of these fun facts about vampire bats.

¿Tú hablas español? Learn how knowing more than one language changes how your brain works.

For thousands of years, Polynesian navigators managed voyages without the help of modern navigational aids. How did they do it?

Read an article and watch a video about the impact of plastic bottles on the environment. Then explore some of the possible solutions.

Work through this activity that will get you exploring, analyzing, and drawing conclusions based on the data of rising sea levels.

Get the hard facts on the three types of rocks: igneous, sedimentary, and metamorphic.

Find out how people worked together to ban the use of a dangerous ingredient in cosmetics. Are there movements you want to help?

Design a tube that launches marshmallows, and consider how air pressure works to propel them higher, faster, and farther.

Don your wizard's cloak and conjure a cloud with some basic household items. Make sure to work with an adult on this one.

Sunny out? Using card stock and foil, build a way to project images—like the sun on a piece of paper.

Fold a piece of paper to find out how rockets can carry a starshade as big as a baseball diamond to take pictures in space.

Develop a game to make a rover move on Mars. Download a free Scratch account to start, then add code for targets, hazards, and more!

Design a paper helicopter that can fly on Mars without the lift provided by our atmosphere. Test different blade sizes. Which size flies best?

Keep a monthlong journal of the phases of the moon. Observe the moon and draw its shape. Can you predict what will happen next?

Find out just how hard it is to land a spacecraft in this project. Make sure to design, build, test, and redesign.

Use cardboard tubes to create a light-minimizing viewer. What do you see when standing still? How does it change when you're moving side to side?

Create a list of objects, smallest to largest, most of which our eyes can't see. Why can we see an ant but not an antibody?

Dream up an invention you think could help make people's lives better. Design it, then build it. Check out the two examples for inspiration.

Can kelp farming help slow climate change? Learn about the pros and cons of producing this underwater resource.

Read an article and watch a video about the impact of plastic bottles on the environment. Then explore some of the possible solutions.

Find out how people worked together to ban the use of a dangerous ingredient in cosmetics. Are there movements you want to help?

Travel to Antarctica with a team of paleontologists and find out first-hand how dinosaur bones are found.

Read this article about new, high-tech vests being developed to help service dogs communicate with people. Then consider some other potential uses for this technology.

View this photo essay about some teeny high-tech innovations designed to perform highly specialized tasks. What other applications for micro-size tech can you dream up?

Discover how scientists are counting chinstrap penguins in Antarctica. It's part of a global penguin census that will help researchers better understand the Antarctic environment.

Find out from an astronaut what it's like to take a 272-day trip to the International Space Station and then come home to a pandemic.

Find a new tool to let student scientists play with simulations, engage in citizen science research, and gather and analyze data from around the world.

Find great videos to bring the world and all of its wonder to your students.

Get your mind swirling with these fascinating podcast episodes that ask wacky questions and find fascinating answers.

Listen to this kid-friendly podcast to find out whether llamas are ticklish, why baby teeth fall out, and so much more.

Gather the whole family to hear LeVar Burton narrate Neil deGrasse Tyson's educational and entertaining read about the universe.

Use actual data to better understand how rising sea temperatures are affecting coral reefs, some of the most diverse and important ecosystems on Earth.

Work through this activity that will get you exploring, analyzing, and drawing conclusions based on the data of rising sea levels.

Explore some of the most beautiful places in the USA, guided by National Park Rangers.

Work through this interactive lesson that'll help you understand how scientists use data to better understand El Niño events and how they affect weather.

Play around with these brain-boosting interactives to find out fascinating facts about different parts and jobs of the human brain.

Take a virtual trip to Chicago to visit the Field Museum, and explore their animal exhibits using Street View.

Journey to Vietnam's Phong Nha-Kẻ Bàng National Park and the stunning Sơn Đoòng cave, the world's largest natural cave.

This engaging game can help older kids learn the methods epidemiologists use to determine the source of a disease and how to stop it from spreading.

Explore the roots and branches of the tree of life in this interactive lab focused on phylogenetics, the study of evolutionary relationships between species.

Check back each week to dig into a new fascinating graph connected to current events. What do you notice about it? What do you wonder?

Find out how you can save the planet's resources for future generations by conserving energy, food, and water and by making your purchases last longer.

Take a trip around the globe and notice that the Earth actually knows its ABC's! Explore different areas that look like letters from outer space.

Explore the periodic table in this short course. Can you explain how the elements are classified or describe the properties of each group?

Work through 20-minute, teacher-led lessons featuring videos, activities, and extensions. The intriguing topics range from eco-friendly design to the importance of water to our bodies.

Try these engaging, one-hour introductory computer science tutorials, appropriate for all ages. There are hundreds of activities and tutorials in over 45 languages.

Learn the fundamentals of computer science with drag-and-drop blocks. Create your own drawings and games.

Model interactions between different species in an ecosystem while practicing your dance moves. Can you do the bee waggle? How about the bear scratch?

Discover how mucus is actually beneficial to our health. Watch the videos to learn more, and grab some Jell-O to conduct an experiment at home.

Discover the history of the distortion pedal, a little box that changed rock music. Then learn about what distortion is and design your own pedal.

Explore how natural selection helped a population of newts become so poisonous. Click on the first video to start, then continue with the lessons after.

Design efficient bus routes, and compare the environmental impacts of fuel types. Download the student activity guide and watch the video to start your calculations.

Explore engineering techniques with this hands-on learning activity. Collect and compare movement data with your cellphone to create designs that prevent earthquake damage.

Discover what Newton's laws of motion and baseball have in common. Watch, practice, and discuss how watching sports is a science in this learning module.

Use this video and discussion guide to understand how headlines shape the way we interpret science–and health–related news.

With over 600 muscles in our bodies, we must learn how to give them attention and stay active to maintain a healthy and balanced lifestyle.

Watch the video, and then write down or tell someone three things you learned. What are you still curious about? How can you learn more?

Ever wonder how a Rubik's Cube works and functions? Take a look inside this tricky puzzle and see if you think you can solve it!

¿Tú hablas español? Learn how knowing more than one language changes how your brain works.

For thousands of years, Polynesian navigators managed voyages without the help of modern navigational aids. How did they do it?

Get the hard facts on the three types of rocks: igneous, sedimentary, and metamorphic.

Check out this hip-hop video that explains how climate is different from weather and how we've dangerously impacted climate.

Travel to the Canadian tundra to see some migrating polar bears and hear from the scientists who study them.

How well can we predict the future? Listen as Derek explains the science behind the butterfly effect and why it's so interesting to us.

Learn how some of your favorite shows create fictional languages, including Dothraki, High Valyrian, and Klingon.

Eggs come in all shapes, colors, and sizes. Explore the evolutionary basis behind these differences with Emily Graslie and Dr. John Bates.

Why do so many bugs come out after a storm? Because it smells good! Find out the chemistry behind this curious and attractive aroma.

Find high-quality, standards-based resources relating to science, geography, world history, engineering, cartography, current events, and more.

Browse this site's videos featuring inspiring women discussing their work. Which careers seem most interesting to you? How might you pursue them?

This eco-minded site has 30 quests to complete over six weeks, each with a video, questions, and ways to dig deeper.

Build knowledge with these high-quality, daily instructional video lessons for ELA (grades K–8), math (grades K–12), and science (grades 3–5).

Learn computer science from home with lessons for all grades and abilities, from pre-readers to AP-level programming students.

Choose a subject and specific topic to practice or learn some math, science, or social studies.

Read and discuss articles on cutting-edge science discoveries written by scientists and reviewed by kids and teens.

Become a citizen scientist from your bedroom window by measuring the light pollution in your area. Record your observations with your device and share.

Take a deeper look at the natural systems that sustain life on earth and find new ways to participate as good players in the system.

Download this free app and complete this short activity to learn how to track motion. Then take your phone outside and check out the data.

Use this downloadable worksheet to suck some math practice out of these fun facts about vampire bats.