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

How do these animals blend with their surroundings? Enjoy this match-up activity on animal camouflage for kids!

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.

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

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

Share a star-gazing session with your little astronomer! This constellation chart is full of fun stories about the different groups of stars.

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.

Get wise about wind! Even though you can't see it, wind is a powerful force caused by changing temperature in the air.

Plants need to breathe and eat food (energy) just like us! Help your budding naturalist to learn about photosynthesis.

Does your first grader want to know more about mammals? This worksheet gives her a chance to do some research to decide which animals fit into that category.

Check out these state bird coloring pages, like the Indiana state bird, famous for its red color.

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.

Your budding ornithologist will love an introduction with coloring pages like this one featuring the New Hampshire state bird.

Have a budding ornithologist on your hands? Check out the birds like Illinois state bird, the cardinal, with this series of coloring pages!

Tree climbers and tree huggers alike, learn the basics of reading tree rings to find out about the life of a tree.

Build nature vocabulary with this habitat-matching worksheet!

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.

Can you name the different parts of a tree? This scrambled words worksheet is a great way to get your child thinking about life sciences and nature.

Got a zoo trip planned? Give your kids a fun way to explore the best of the zoo with a mini zoo passport!

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.

Brrr, it's cold outside! In this worksheet, kids practice reading thermometers to figure out what the temperature is.

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.