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.

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

Discover what lives in the depths of the sea in this second- and third-grade habitat worksheet!

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

Test your child's science savvy with this worksheet, which asks your child to identify what items are made from plants.

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

What is energy? Energy is the ability to do work! Use this colorful worksheet to teach your little scientist the basics of energy.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Dreams can be delightful or downright terrifying. Discover the science behind dreams and try to figure out what your dreams say about you.

Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.

What is the purpose of a hard shell or a long neck? Discover different adaptations with this matching worksheet for second and third graders!

Back in ancient times, before people knew what the stars were, they told stories about them! With this worksheet, learn about the constellation Cygnus.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.