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

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

Challenge your first grader to put these plant life cycle stages in the correct order with this fun beginning biology sheet.

Practice describing, or classifying, different items by their properties in this inviting worksheet!

Shed some light on the interactions between objects and light with this science worksheet for kindergarteners and first graders!

See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

Discover some of the ways that Earth’s natural resources are used in this first-grade worksheet!