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.

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

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.

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.

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

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!