Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

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

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

Kids will cut out the various functions listed at the bottom of this kidneys and intestines worksheet and match them to the correct organ.

The animal names on this third grade science and spelling worksheet are all mixed up! Kids unscramble reptile and bird names to complete the worksheet.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Cut out and complete this trophic level pyramid template!

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.

With this worksheet, kids read about the sport of biathlon and gain an appreciation for the skills involved by studying the math and physics behind them!

This worksheet is all about the U.S. space mission of Friendship 7, and will help kids with reading comprehension and U.S. history knowledge all at once.

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

Can you identify the difference between inherited and acquired traits?

Explore grasslands and their fauna in this thought-provoking worksheet!

Read about the intestines, an important part of our digestive process. Your child will see a diagram of this body organ and learn important terms and concepts.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

On this worksheet, kids learn all about the look and location of Uranus, and they get to cut out a picture to use in their own Solar System diagram.

Fill in the blanks from the words listed in the word bank, then keep this sheet handy to prepare for tests and quizzes on life science and photosythesis.

Learn all about vision and sight with this life science diagram.

Dive into habitat studies with this second- and third-grade worksheet!

Hiccups interrupt us when we're talking and sometimes even get in the way of eating! Find out why we hiccup and discover some unusual ways to get rid of them.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

Explore magnetism with this colorful science worksheet for third and fourth graders!