Chapter 2 Review A Question Preview (ID: 34388)
Review For The Chapter 2 Test.
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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) liquid water
c) carbon dioxide
d) air
Frost forms when water vapor in the air loses energy and changes directly to a solid without becoming a liquid. This is called:
a) deposition
b) evaporation
c) freezing
d) condensation
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 ice are closer together.
c) The molecules in ice slide past each other.
d) The molecules in liquid water are smaller.
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.
When water freezes, liquid water turns to solid ice mainly because:
a) The water molecules become harder and larger in size.
b) The molecules move slowly enough that their attractions keep them in fixed positions.
c) All liquid water eventually becomes ice.
d) Ice can float on water.
In the process of conduction:
a) Fast-moving particles get larger.
b) Slow-moving particles get smaller.
c) Fast-moving particles transfer energy to slower-moving particles.
d) Slow-moving particles transfer energy to faster-moving particles.
In which of the following states of matter do water molecules move the slowest?
a) solid
b) liquid
c) gas
d) plasma
When you breathe out in the winter, you see “fog” in your breath. The fog forms when you breath out because:
a) Air from your lungs heats up when it leaves your body.
b) The carbon dioxide gas in your breath becomes visible.
c) Water vapor in your breath cools down and condenses into liquid water.
d) Water evaporates as the molecules leave your mouth.
Water droplets form on a cold can of pop. What type of phase change is this?
a) condensation
b) freezing
c) evaporation
d) melting
Water droplets form on a cold can of pop. Where does the heat transfer for this change to happen?
a) Heat transfers from water vapor in the air to the the cold can.
b) Heat transfers from the cold can to the water vapor in the air.
c) Heat does not transfer during this phase change.
d) Cold transfers from the cold can to the air.
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