Revision

What direction do air particles move to create wind?

• High pressure-> Low pressure

• Low pressure-> High pressure

• High pressure-> High pressure

• Low pressure-> Low pressure

As you go up in altitude, air pressure...

• increases

• decreases

• stays the same

If the air is cold, what does that tell you about the air pressure and density?

• Air pressure and density are both high

• Air pressure and density are low

• Air pressure is high but density is low

• Air pressure is low but density is high

The atmospheric pressure is greatest when the air is...

• Cold

• Hot

• Temperature does not affect pressure

Why do low pressure systems often result in cloudy days?

• The air rises and the water vapor condenses into clouds

• The air sinks to the earth's surface and water vapor condenses into clouds

• Low pressure systems actually bring clear skies

• There is no wind on a low pressure day

________ is the force exerted on an object by the weight of the air above and around it.

• Wind pressure

• Air pressure

• Temperate weight

• high pressure air

What is the name of the instrument used to measure air pressure?

• Anemometer
• Thermometer
• Barometer
• Hygrometer

78% of earth's atmosphere is composed of ____?

• carbon dioxide

• oxygen

• argon

• nitrogen

What type of breeze occurs during the day?

• Land Breeze

• Sea Breeze

On the beach, does the land or sea heat up faster?

• Land

• Sea

• They heat at the same rate