Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Learn the importance of natural adaptations with this inquisitive activity!

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

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!

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!

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

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