Curated OER
Solids, Liquids, Gasses
In this elementary physics worksheet, 2nd graders discover five substances that can be found as a solid, 5 as a liquid, and 5 as a gas. Students then notate the names of substances on a chart.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Solids, Liquids, and Gases: Audio Book
An interactive guide to the basics of solids, liquids, and gases. Wonderful pictures show the makeup of each and how the particles move in these states of matter.