Did you know that there is no new water on Earth? It all gets recycled and reused in a process that we call the water cycle.

Learn all about planting onions with a fun coloring page! Little gardeners everywhere can read up on onion care as they color this picture.

Almost half of all known fish species call ponds, lakes, rivers, and other freshwater habitats home. Learn about freshwater fish in this worksheet.

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

Teach your child a basic concept of physical science with this worksheet all about buoyancy! He'll choose which items are buoyant and which are not.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

This word search is all about owls! Your child will learn a few different species of owl as he looks for them in the word search.

Did you know that baby turtles are born all alone on the beach? Learn about the life cycle of a turtle with this life science worksheet.

All the animals in this word search share one characteristic: none of them have bones! Can your child find the boneless critters hidden in the puzzle?

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!

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

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

Next time you're outside, go on a treasure hunt with this activity from PBS KIDS' Dinsosaur Train. Then, write all about your nature treasure loot!

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.

Help your child improve his handwriting skills with this printable worksheet, which is all about the four seasons.

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

Looking for a way to teach your kids all about the planets? This worksheet is the way to go. It features Venus, the second planet from the sun.

Learn all about Alexander Fleming, the man who invented penicillin and the happy accident that brought him to it.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

This coloring page doubles as an info sheet, all about the burrowing owl! Your child will get to draw his own owl using the grid helper.

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.