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

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.

See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

Let your scientific skills shine as you decide which objects will let light pass through in this kindergarten and first-grade worksheet!

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!

Determine whether items are hot or cold in this cut-and-paste activity for kindergarteners and first graders!

Shed some light on the interactions between objects and light with this science worksheet for kindergarteners and first graders!