G6 U4: Weather and Atmosphere Review

What is the movement of air caused by differences in air pressure?

• Condensation

• Wind

• Evaporation

• Radiation

What causes wind?

• Earth’s gravity

• Ocean currents

• Differences in air pressure

• The Moon’s orbit

What is a large body of air that has the same temperature and humidity?

• Wind front

• Air mass

• Pressure zone

• Storm system

What type of weather does a high-pressure system usually bring?

• Storms

• Rainy and cloudy

• Hot and humid

• Clear and sunny

What type of weather does a low-pressure system usually bring?

• Clear skies

• Calm and dry

• Stormy and cloudy

• Cold and dry

What happens at a cold front?

• Cold air rises over warm air

• Warm air pushes cold air down

• Cold air pushes under warm air, bringing storms

• Air masses mix evenly

What happens at a warm front?

• Warm air pushes over cold air, bringing gentle rain

• Cold air overtakes warm air

• Air pressure increases rapidly

• Wind speed decreases

What is the boundary between two air masses called?

• A jet stream

• A current

• A front

• A wave

What weather tool is used to measure temperature?

• Barometer

• Thermometer

• Anemometer

• Hygrometer

What weather tool is used to measure air pressure?

• Barometer

• Rain gauge

• Wind vane

• Thermometer