PRETEST
CHANGES IN MATTER
1. Identify the rusting of iron
a. physical change
b. chemical change
2. Identify a log burning
a. physical change
b. chemical change
3. Identify gold melting
a. physical change
b. chemical change
4. Identify wax freezing
a. physical change
b. chemical change
5. Identify combustion
a. physical change
b. chemical change
6. Identify water condensing on the outside of a glass of ice water.
a. physical change
b. chemical change
7. You can cause water to change state of matter by removing or adding what?
a. matter
c. energy
b. particles
d. surface tension
8. The temperature at which a substance changes from a solid to a liquid is its…
a. boiling point
c. sublimation point
b. melting point
d. evaporation point
9. The temperature at which a liquid changes into a liquid to a solid is its…
a. boiling point
c. sublimation point
b. melting point
d. freezing point
10. Dew collects on a spider web in the early morning. This is an example of
a. condensation
c. sublimation
b. evaporation
d. melting
11. When you have matter change in properties only what kind of change do you have?
a. physical
c. no change
b. chemical
d. both chemical and physical
12. When you have matter change in color AND composition of matter what kind of change do you have?
a. physical
c. no change
b. chemical
d. both chemical and physical
13. When an apple changes color as it reacts with oxygen when exposed to air this is a
a. physical property
c. physical change
b. chemical property
d. chemical change
14. Which of the following is LEAST LIKELY an indication of a chemical change?
a. change in mass
d. release of a gas
b. change in color
d. release of energy
15. When a newspaper is left in direct sunlight for a few days it begins to turn yellow. What is this color
evidence of
a. physical property
c. physical change
b. chemical property
d. chemical change
.