Convection

The cycle that powers the ocean currents, weather, and tectonic plates it called

• conduction current
• radiation
• condition current
• convection current

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The energy from the sun is transmitted through movement of electromagnetic waves by

• conduction
• convection
• contraction
• radiation

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The main reason that we have currents in the ocean and air is

• the sun heats the air and ocean evenly everywhere
• the heat inside the earth heats the ocean and the ocean heats the air
• the sun cannot heat both the air and water, so one must heat the other
• the sun heats air and water more at the equator because it receives more direct sunlight

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Energy for convection on the Earth comes from...

• The sun
• The moon
• Solar winds
• The ocean

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In convection, COOL air

• Rises
• Sinks

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In convection, WARM air

• Rises
• Sinks

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Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction
• convection
• radiation
• Insolation 

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When air moves into the upper atmosphere it becomes

• Cool and Heavy
• Cool and light
• Warm and heavy
• Warm and Light

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When air is heated it becomes

• More dense
• Less dense
• Heavier
• Moist

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Wind is created when

• Warm air moves into replace cool air
• Dry air moves in to replace moist air
• Cool air moves in to replace warm air
• Both air masses are the same temperature

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