Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

How many legs does an insect have? Get ready for some creepy crawly counting with this colorful bug collection!

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

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!

The Earth is very much alive, even its rocks shift and change. Practice geology vocabulary with this challenging word search.

Can you match the scientist with the unit of electricity or power that is named after him?

Mix a little art into your science with this reading-slash-drawing sheet on hills and valleys.

Where do flower babies come from? Find the answers in this word search about plant reproduction!

Read about the small population of huge moose in Yellowstone National Park.

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

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!

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

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

Plants are living things just like you and me! But how do plants travel? Learn all about seed dispersal with this fun sheet.

Learn about Supersaurus, one of the largest dinosaurs ever recorded, with this fun fact dot to dot printable.

Spark your child's interest in dinosaurs with this prehistoric dot to dot featuring plant-eating Stegosaurus.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

There are many different types of animal homes. Use this word search to help teach kids about a few of them!

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

Ocean resources are an incredible part of how we live our lives; read and write about them with this worksheet.

Does your child have a knack for astronomy? Teach him about the constellations with this great worksheet.

This mole has a pouch for its young, just like kangaroos. Get your child into life science learning with this fun coloring page.

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

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

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

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.

Use this Inside-Out Anatomy worksheet to learn about the digestive system.

This Lily and Dragonfly coloring page will engage second graders in a fun coloring exercise while helping them learn the scientific names of the species.