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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
solid
B
plasma
C
liquid
D
gas
2) In the process of conduction:
A
Fast-moving particles transfer energy to slower-moving particles.
B
Fast-moving particles get larger.
C
Slow-moving particles transfer energy to faster-moving particles.
D
Slow-moving particles get smaller.
3) When water freezes, liquid water turns to solid ice mainly because:
A
Ice can float on water.
B
All liquid water eventually becomes ice.
C
The molecules move slowly enough that their attractions keep them in fixed positions.
D
The water molecules become harder and larger in size.
4) Different liquids have different freezing points mainly because:
A
Freezers are at different temperatures.
B
Some winters are colder than others.
C
The less liquid you use, the faster it freezes.
D
Molecules of different liquids have different amounts of attraction between molecules.
5) If you compare solid ice and liquid water on the molecular level, you could say that:
A
The molecules in liquid water are closer together.
B
The molecules in liquid water are smaller.
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
freezing
B
condensation
C
deposition
D
evaporation
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
carbon dioxide
B
air
C
water vapor
D
liquid water
8) When you breathe out in the winter, you see “fog” in your breath. The fog forms when you breath out because:
A
The carbon dioxide gas in your breath becomes visible.
B
Water vapor in your breath cools down and condenses into liquid water.
C
Air from your lungs heats up when it leaves your body.
D
Water evaporates as the molecules leave your mouth.
9) Water droplets form on a cold can of pop. What type of phase change is this?
A
evaporation
B
condensation
C
melting
D
freezing
10) Water droplets form on a cold can of pop. Where does the heat transfer for this change to happen?
A
Heat transfers from the cold can to the water vapor in the air.
B
Heat transfers from water vapor in the air to the the cold can.
C
Cold transfers from the cold can to the air.
D
Heat does not transfer during this phase change.
*select an answer for all questions
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