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

Ever lay on your back to look at the clouds? Now you'll know which types of cloud make up all those silly shapes you see with this diagram.

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

The next time you're on a hike, be sure to take this leaf chart to guide you in identifying different types of leaves!