Changes of state

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20 Terms

1
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Which change of state is shown in the model?

sublimation

2
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Which change of state is shown in the model?

deposition

3
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What happens during evaporation?

A liquid changes to a gas.

4
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During which changes of state does the motion of the atoms decrease?

freezing and condensation

5
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During which changes of state do atoms overcome the attractive forces between them?

vaporization and sublimation

6
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On a cool morning, Uyen's breath can form a cloud when she breathes out. Which changes of state are most responsible for Uyen seeing her breath in this way?

vaporization and condensation

7
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Rahul sees a flock of birds. He watches as the flying birds land in neat little rows on several power lines. Which change of state does the motion of the birds most closely model?

deposition

8
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Frieda makes a pyramid of oranges for a display at the grocery store. A few minutes later, Corwin bumps into the display and the oranges spill down.

Which change of state does the motion of the oranges most closely model?

melting

9
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During which change of state would the volume of a substance increase the most?

sublimation

10
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The process by which a solid changes to a liquid is

melting

11
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The process by which a gas changes to a solid is

desposition

12
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As atoms gain energy, they move faster and slide past one another more easily. Atoms at the surface of the substance overcome attractions to nearby atoms and break free of the surface.

Which change of state is taking place?

liquid to gas

13
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The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance gain energy during a change of state. Before the change, the atoms are close together and cannot slide past one another. After the change, the substance can fill its container.


Which arrow represents the change of state described above?

L

14
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The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance lose energy during a change of state. Before the change, the atoms are close together but are able to slide past one another.

Which arrow represents the change of state described above?

Q

15
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Which change of state has the wrong energy change listed?

desposition

16
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Which statement best describes the energy changes associated with evaporation and boiling?

Atoms gain energy during evaporation and boiling.

17
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How is energy related to the change of state represented by the model?

Atoms lose energy as a gas changes to a solid.

18
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How is energy related to the change of state represented by the model?

Atoms gain energy as a solid changes to a liquid.

19
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If atoms energy during a change of state, they are pulled together by attractive forces and become more organized.

Lose

20
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In which changes of state do atoms lose energy? Check all that apply.

freezing
deposition
condensation