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!

Detect animal defenses in this hands-on worksheet for kindergarteners through second graders!

Practice describing different objects and substances in this colorful 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!

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

Match each animal to its home in this first- and second-grade life science worksheet!