See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

These two children sure look alike -- maybe because they're twins!

Give your little animal lover a great coloring sheet, complete with a few fun facts about the red kangaroo!

Did you know that having a pouch or a shell can help an animal meet its needs? Learn how animals use different parts of their body with this matching worksheet for kindergarteners and first graders!

Prepare for an exciting experiment with this cut-and-paste lab safety worksheet for first and second graders!

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

Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Who will win the marble race in this two-page physical science worksheet?

Use this cool 2-page worksheet to make your own big dipper clock!

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Complete this simple and engaging exercise about the planet Mars by reading the information and labeling Mars' layers using what you've learned.

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

Print out a set of weather-themed postcards to give your child practice identifying seasons. These weather postcards also allow kids to practice writing skills.

Do you know what the Aquarius constellation looks like in the night sky? Complete this dot-to-dot worksheet to find out!

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

How do you know when it's wintertime? Have your child complete this winter writing prompt to exercise writing skills and reinforce seasonal knowledge.

What does a seal eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

In this worksheet, children practice identifying animals of North America by their tracks.

If your child loves animals, introduce her to a cool species of bird with this Northern Hawk Owl info sheet, complete with coloring and a crossword.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

Here is a fun animal info sheet that doubles as a spelling exercise! Your child will learn all about the Golden Eagle, and complete a word scramble.

Learn a new species of bird with a fun info sheet! Your child will read a few facts about the American Kestrel, and complete a word scramble.

Animal lovers, here is a fun page all about the falcon! Your child will read a few fun facts about this bird, and complete a word scramble.