Movement of Air Molecules

In the experiment you had two bottles with ________

• Both with warm water

• Both with cold water

• One warm and one cold water

• The temperature of the water was unknown

What causes wind?

• differences in air pressure

• differences in gravity

• difference in oxygen

• differences in the thermosphere

What causes differences in air pressure?

• even heating of the Earth

• Even cooling of the earth

• uneven heating of the earth

• global warming

Why does warm air rise?

• Warm air is more dense than cooler air.
• Warm air has more pressure than cooler air.
• Warm air is less dense than cooler air.
• Warm air has a higher dew point than cooler air.

Air is warmer and less dense at the equator because the equator receives more____________________.

• wind

• solar radiation

• air pressure

• condensation

In the Northern Hemisphere, winds traveling north appear to curve east because of the:

• trade winds

• convection currents

• Coriolis effect

• polar easterlies

Which term best describes how the earth's atmosphere is heated?

• Spirally
• Unevenly
• Circularly
• Kinetically

True or False:
Land heats and cools faster than water causing wind and weather.

• True
• False

Wind blows from ______ pressure areas to _____ pressure areas.

• high; low
• warm; cool
• cool; warm
• low; high

Water is _______ than land during the day, causing a sea breeze.

• more inviting
• larger
• cooler
• warmer