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 mix-and-match lists examples of natural resources. Kids can connect the natural resource with the resulting product.

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.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

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

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

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.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

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

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.

Through a simple matching activity, kids learn how their actions can have a direct effect on the environment.

Fossils can tell us about life on earth, but they can also teach kids the scientific method.

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.

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

Explore the life cycle of a pumpkin with your kids with this colorful cut and paste growth chart.

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

This worksheet tests kids' understanding of basic heredity by asking them to match parent turtles with their offspring based on similar traits.

Kids follow corn as it grows from seed to vegetable on this simple cut-and-paste growth chart.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

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.