1. A cold glass of water collects water droplets on the outside on a hot summer day. This is
an example of what phase.
A. Condensation B. Evaporation C. Melting D. Sweating
2.A candle drips wax on a table. This is an example of what phase change?
A. Condensation B. Evaporation C. Freezing D. Melting
3.Dry ice gives off carbon dioxide gas. This is an example of what phase change?
A. Condensation B. Evaporation C. Melting D. Sublimation
4.Which phase changes require an increase in energy?
A. condensation and evaporation C. melting and freezing
B. freezing and condensation D. melting and evaporation
5.Which phase changes require an overall energy loss?
A. condensation and evaporation C. melting and freezing
B. freezing and condensation
D. melting and evaporation
6. Water is heated on a stove until steam is given off. What phase change is this?
A. Condensation B. Evaporation C. Melting D. Sublimation
7. The melting point of a substance is the same temperature as its
point.
A. Evaporation
B. Freezing C. Melting D. Sublimation
8.The condensation point of a substance is the same temperature as its
point.
A. Evaporation B. Freezing C. Melting D. Sublimation
9.Adding energy to a substance makes it particles move
A. Faster B. Slower C. The same D. None of these
10. On a cold day, a person can see their breath. This is an example of what phase change?
A. Condensation B. Evaporation C. Freezing D. Sublimation
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Answer:
1. A
2. D
3. D
4. D
5. B
6. B
7. B
8. A
9. A
10. A