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.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

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.

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

Did you know that there is no new water on Earth? It all gets recycled and reused in a process that we call the water cycle.

Help third and fourth graders become rock stars with this informative geology worksheet!

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

Identify examples of pushes and pulls with this cut-and-paste worksheet for kindergarteners and first graders!

Can you identify the difference between inherited and acquired traits?

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!