What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Investigate the mystery of why two tomato plants developed so differently!

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

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

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

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

Uncover secrets of the past with this third-grade worksheet about fossils!

These are the largest tortoises in the world, yet they are only two inches long when they hatch! That's one of the facts you can learn from this worksheet.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

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.

Discover how seeds move to new places with this cut-and-paste worksheet for second and third graders!

Learn the ins and outs of one of the body's most important organs: the heart!

Discover the animals and plants of the past in this fossil-focused worksheet!

Discover the details of desert plant life in this informative worksheet!

Have fun learning about food chains in this charming science worksheet!

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

Discover the importance of butterflies in pollination with this informative worksheet!

Discover how dolphins use sound to see in this fascinating worksheet!

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

Flex your mind muscles with a body science worksheet! Your child will learn the fundamentals of what makes up our muscles.

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

Here's a fun drawing exercise that will also teach your child about a species of owl. He'll read some fun facts about the Great Horned Owl.

How can an owl have long ears? Find out a few fun facts about the Long Eared Owl with an info sheet!

With this animal fun page, your child will read a few fun facts about the Great Gray Owl, and complete a crossword based on what he's learned.

Learn a new species of bird with a fun info sheet! Your child will get to read some fun facts about the Sharp Shinned Hawk, and complete a crossword.

An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.