Key Term Challenges
chemical change (p. 26)
chemistry (p. 16)
condensation (p. 22)
evaporation (p. 22)
freezing (p. 22)
gas (p. 20)
liquid (p. 20)
matter (p. 18)
melting (p. 22)
physical change (p. 26)
physics (p. 16)
plasma (p. 20)
properties (p. 18)
solid (p. 20)
specialization (p. 16)
state of matter (p. 20)
sublimation (p. 22)
MATCHING Write the Key Term from above that
best matches each description.
1. solid, liquid, or gas
2. study of the structure and makeup of matter
and its changes
3. change from a gas to a liquid
4. change that does not produce a new substance
5. change from a solid to a liquid
6. state of matter that has no definite shape or
volume
7. studying or working in only one area of a
subject
FILL IN Write the Key Term from above that best
completes each statement.
8. Water changing into ice is an example of
9. During
liquids gain enough
heat energy to change into the gas state.
10. A
is a state of matter with a
definite shape and volume.
11. New substances are produced during a
12. Anything that has mass and takes up space is
13. Mass and volume are characteristics, or
of matter.
14. Milk is an example of a
15. Two branches of physical science are
chemistry and