Ch 12

When cool, dense air from over the water flows inland, it's called a ____.

• polar easterly

• jet stream

• land breeze

• sea breeze

The ____ is the layer of the atmosphere nearest to Earth's surface.

• exosphere

• troposphere

• stratosphere

• ionosphere

Not all air pollution is outdoors. The air inside homes and other buildings can be as much as _____ times more polluted than outdoor air.

• 0

• 86

• 25

• 50

If a pot of water were heated from the top it would ________.

• Boil slower as the heated water would stay at the top and not warm the water below.

• Boil at the same rate as a pot of water boiled from the bottom because the location of the heat does not change the boiling point of water.

• Boil at the same rate as a pot of water boiled from the bottom because the water is constantly moving past the heat source.

• Boil faster as the heat would radiate down to the surrounding water faster.

The air above the ____ rises because it has low density and low pressure.

• equator

• north pole

• arctic circle

• south pole

The Sun is a constant supply of energy to Earth.

• True

• False

There is little wind in the doldrums because the air ____.

• is moving down

• is motionless

• moves westward

• cools and sinks, creating a zone of high pressure

How does this process appear in the atmosphere?

• The blocking of light energy by Earth.

• The transferring of thermal energy from the Sun to Earth.

• The transferring of thermal energy from Earth to the Sun.

• The absorption of thermal energy by the ozone layer.

What process is being modeled in the picture?

• convection

• conduction

• radiation

• emission

The ____ is the layer of Earth’s atmosphere that is closest to Earth’s surface.

• exosphere

• stratosphere

• ionosphere

• troposphere