Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

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.

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

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Practice describing different objects and substances in this colorful worksheet!

Can you identify the difference between inherited and acquired traits?

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!