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!

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

Mix, boil, and toast your way to understanding energy transformations with this fourth-grade worksheet!