| Term | Definition |
|---|
| solid, liquid, gas, and plasma | the 4 states of matter are... |
| kinetic theory of matter | tiny particle in constant motion make up matter |
| crystals | repeating geometric patterns of particles |
| plasma | the most common form of matter is... |
| solid | particles form a repeating geometric shape |
| liquid | particles are loose but don't have enough energy to flow around each other |
| gas | particles are free to move about |
| thermal expansion | matter expands when heated and contracts when cooled |
| evaporation | a liquid changing to a gas |
| condensation | a gas changing to a liquid |
| heat of fusion | the amount of energy needed to change from a solid state to a liquid state |
| heat of vaporization | the amount of energy to change a liquid to a gas is... |
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