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Chapter 2 Review A
Test Description: Review for the Chapter 2 Test
Instructions: Answer all questions to get your test result.
1) In which of the following states of matter do water molecules move the slowest?
A
plasma
B
solid
C
liquid
D
gas
2) In the process of conduction:
A
Fast-moving particles transfer energy to slower-moving particles.
B
Slow-moving particles get smaller.
C
Fast-moving particles get larger.
D
Slow-moving particles transfer energy to faster-moving particles.
3) When water freezes, liquid water turns to solid ice mainly because:
A
The molecules move slowly enough that their attractions keep them in fixed positions.
B
Ice can float on water.
C
All liquid water eventually becomes ice.
D
The water molecules become harder and larger in size.
4) Different liquids have different freezing points mainly because:
A
The less liquid you use, the faster it freezes.
B
Molecules of different liquids have different amounts of attraction between molecules.
C
Some winters are colder than others.
D
Freezers are at different temperatures.
5) If you compare solid ice and liquid water on the molecular level, you could say that:
A
The molecules in liquid water are smaller.
B
The molecules in liquid water are closer together.
C
The molecules in ice slide past each other.
D
The molecules in ice are closer together.
6) Frost forms when water vapor in the air loses energy and changes directly to a solid without becoming a liquid. This is called:
A
evaporation
B
deposition
C
condensation
D
freezing
7) When you breathe out in the winter, you see “fog” in your breath. The part of the fog that you can see when you breathe out is:
A
water vapor
B
carbon dioxide
C
liquid water
D
air
8) When you breathe out in the winter, you see “fog” in your breath. The fog forms when you breath out because:
A
Water evaporates as the molecules leave your mouth.
B
Water vapor in your breath cools down and condenses into liquid water.
C
The carbon dioxide gas in your breath becomes visible.
D
Air from your lungs heats up when it leaves your body.
9) Water droplets form on a cold can of pop. What type of phase change is this?
A
melting
B
evaporation
C
freezing
D
condensation
10) Water droplets form on a cold can of pop. Where does the heat transfer for this change to happen?
A
Cold transfers from the cold can to the air.
B
Heat transfers from water vapor in the air to the the cold can.
C
Heat does not transfer during this phase change.
D
Heat transfers from the cold can to the water vapor in the air.
*select an answer for all questions
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