Brief Description
A state of matter that is not a liquid or a gas and has a fixed shape and amount of space it takes up. It can’t flow like a liquid and its really hard to change it’s shape.
How to Talk About This Term with Young Children
Notice different states of matter in the environment. “Hmm, let’s investigate this rock. It’s really hard, we can’t easily change its shape. When we hold it or put it in a container, it keeps its shape. This rock is a solid!”