Particle Theory
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. solid
A. State of matter that fills any space, like air
2. liquid
B. A push or a pull (plural)
3. gas
C. The process of changing from a gaseous to a liquid or solid state
4. expansion
D. Lacking any definite plan or order or purpose
5. diffusion
E. Force pushing on something
6. pressure
F. How loud something is, or how much space it fills
7. forces
G. How tightly packed the matter in something is
8. pattern
H. To restore by replacing a part or putting together what is torn or broken
9. vibration
I. A perceptual structure
10. condensation
J. The process in which there is movement of a substance from an area of high concentration of
11. evaporation
K. State of matter that flows like water
12. volume
L. The withdrawal of heat to change something from a liquid to a solid
13. compress
M. The act of increasing in size or volume or quantity or scope
14. freeze
N. A cloth pad or dressing applied firmly to some part of the body
15. fixed
O. A tiny piece of anything
16. random
P. The process of becoming a vapor
17. particle
Q. A distinctive emotional aura experienced instinctively
18. density
R. State of matter with a fixed shape