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

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!

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Discover some of the ways that Earth’s natural resources are used in this first-grade worksheet!