Students are introduced to the idea that matter is composed of atoms and molecules that are ... molecules as they experiment with and observe the heating and cooling of a solid, liquid, and gas.

This clip could be used to introduce learning on the different states of matter. Students can use ... at school or within the home that are examples of solids, liquids and gases.

changing from a solid to a liquid, for example. This basic model is, however, just that: there are many, many more states of matter out there that it doesn’t capture. The next most familiar is ...

This clip could be used to introduce learning on the different states of matter. Students can use ... at school or within the home that are examples of solids, liquids and gases.