Lesson: States of MatterPhysics
In this lesson, we will learn how to describe the transitions between the three most common states of matter on the surface of the Earth: solid, liquid, and gas.
Sample Question Videos
Which of the following states of matter are fluids?
The diagram shows water in its three different states: ice, liquid water, and steam.
What word is used to describe liquid water changing to ice?
What word is used to describe liquid water changing to steam?
Under certain conditions, ice can skip the liquid phase entirely and become steam. What word is used to describe this?
Heating a substance increases the of the substance, which leads to a or a .