1. 99% of all the matter that can be observed in the universe exists as _____.
* solids
* liquids
* gases
* plasmas
2. Matter that has a definite volume but no definite shape is a _____.
* solid
* liquid
* gas
* plasma
3. Forces of attraction limit the motion of particles most in _____.
* a solid
* a liquid
* both a and b
* neither a nor b
5. The particles in a _____ are more closely packed than the particles in a _____.
* solid; liquid
* liquid; gas
* both a and b
* neither a nor b
6. An object that is not moving has kinetic energy.
* true
* false
7. At room temperature, most metals are solids.
* true
* false
8. Changing the container doesn't change the shape or volume of a solid.
* true
* false