Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Young botanists test their plant know-how with this quiz.

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

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

Learn how seeds move with this second- and third-grade matching activity!

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

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