1. What happens when matter changes state? a. Its chemical properties change.
b. Its physical properties change.
c. The energy of its particles remains the same.
d. two of the above
2. The volume and shape of a solid could be changed by
a. placing it in a container with a different shape.
b. putting it in a container with a different volume.
c. cutting or breaking it.
d. all of the above
3. An example of an amorphous solid is
a. candle wax.
b. table salt.
c. cellulose.
d. none of the above
4. Surface tension is a force that affects
a. gases.
b. plasmas.
c. solids.
d. liquids.
5. Which statement is true about plasma?
a. It has a fixed volume.
b. It has a fixed shape.
c. It contains ions.
d. It does not occur in nature.
6. Which state of matter has particles with the least energy?
a. plasma
b. gas
c. liquid
d. solid