Here's a great introduction to five famous astronomers for kids. See who got the star party started with this worksheet.

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

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

This is the story of our solar system. Learn about the life of Nicolaus Copurnicas and his great discovery. Learn more by answering the question at the bottom.

Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

Atoms are some of the tiniest particles that make up our world. Give kids some perspective with this worksheet that shows kids just how small atoms are.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

This colorful diagram is a handy reference guide for kids learning basic body systems.

Kids love squids! This simple squid diagram will help your 5th grader memorize the squid anatomy.

This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

Teach your kids all about the second planet from the Sun with this simple science sheet.

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

Here's a quick overview of drought and flooding to spark thoughts or conversation with your kids about water.

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.

With this enlightening worksheet, kids will get a glimpse into how our brains' different parts function in surprising ways.

How does blood flow through the heart? This worksheet prompts kids to map how blood is pumped through this sophisticated organ.

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

Kids find forest animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

Here's a great way to teach your kids more about our solar system. This worksheet focuses on the dwarf planet, Pluto.

This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

This skeletal system worksheet, featuring a funny diagram of a human skeleton, is just the thing kids need to master their skeletal system vocabulary.

You have over 600 muscles in your body! Kids can try this muscle anatomy word search featuring 14 important muscles.

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.

In this worksheet, kids learn about basic physics concepts like mass, momentum, and velocity by applying them to a popular winter sport: slalom skiing!

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!

Did you know jaguars are great swimmers? Kids will learn all about rainforest animals with this fun activity page, including a word search and coloring!

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