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.

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!