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

Practice describing, or classifying, different items by their properties in this inviting 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.

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.