Page 34 - Science Course 1 (Book 2)

Mo7-L3: Lesson Review Quiz (Multiple Choice)

Direction: On the line before each statement, write the letter of the correct answer.

1. Dissolving is best described as
A. mixing evenly.
B. disappearing completely.
C. forming a new substance.

2. When matter undergoes a physical change, mass is
A. never conserved.
B. always conserved.
C. sometimes conserved.

3. Dissolving and melting are similar because both
A. result in a change in mass.
B. are kinds of physical change.
C. involve even mixing of substances.
D. result in new substances being formed.

4. If 4 g of salt dissolved in 200 g of water, what would be the f nal mass of this mixture?
A. 50 g
B. 196 g
C. 204 g
D. 800 g

Mo7-L3: Lesson Review Quiz (Completion)

Direction: On each line, write the term from the word bank that correctly completes each sentence. Each
term is used only once.
boiling point condensation deposition
freezing melting sublimation

5. occurs when a solid changes directly to a gas.

6. The temperature at which a liquid changes to a gas is the .

7. When a liquid becomes a solid, occurs.

8. The change in state from a solid to a liquid is called .

9. occurs when a gas changes directly to a solid.

10. is the change from a gas to a liquid.

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