Why do some objects make loud sounds when dropped, while others make quiet sounds?

Explore the science of the sun with this make-your-own sundial activity! Just do a little bit of cutting and coloring, and let the sun do the rest of the work.

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

Invite your child to dream big and design their very own planet. Encourage both creativity and scientific speculation with this fun worksheet.

Help your 2nd grader crack the code using triple digit addition and subtraction to find out what parts of camels can be used to make some tasty dishes.

If you were a mad scientist, what modern-day version of Frankenstein's monster would you create?

Here's a crazy thought experiment for you. Imagine you could create a monster made out of electricity!

Get into the habit of recycling food waste and other household materials by making your own compost pile!

How long does a butterfly live? Find out with this worksheet! Give your second grader a fun way to practice making graphs using given information.

Pick up some peafowl facts on this worksheet with vibrant illustrations. Little ones will read about different types of peafowl and answer some questions.

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

Count the number of sea creatures and make a bar graph with this shark worksheet. Make an underwater word ladder with your 2nd grader, too.

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

Brush up on some physics vocabulary with this energy word search!

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

Learn about some of the major U.S. watersheds in this fascinating science and geography worksheet!

Make sure your young scientists stay safe as they conduct experiments!

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

Read about Yellowstone's red foxes, some of the most cunning and smart animals around.

Discover why some animals live in groups with this hands-on worksheet for third graders!

Learn about bison, some of biggest creatures in Yellowstone National Park, or anywhere else for that matter.

Use this cool 2-page worksheet to make your own big dipper clock!

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Does your child love dogs? Test his knowledge on the different breeds of dog with some trivia questions!

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Animals need to adapt to survive! Teach your child how some animals can blend with their surroundings using camouflage.

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

Sometimes measuring liquids scientifically is tricky. Give your budding scientist some practice, by reading measurements on graduated cylinder illustrations.