unit 4 Core : Heat and Earth's Energy Budget

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• When heat transfers from objects that are touching.
• When heat transfers through the heater or AC in your house.

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What is the definition of CONVECTION

• When heat transfers through waves.
• When heat transfers from objects that are touching.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• Heat traveling from the sun

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What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

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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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How does the air move in a sea breeze?

• wind moves from north to south
• wind moves from ocean to the land
• wind moves from the land to the ocean
• wind moves from south to north

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In a sea breeze, the air is warmer above the _____.

• land
• ocean
• sky
• beach

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Is this a land or a sea breeze?

• land breeze
• sea breeze

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Is this a land or a sea breeze?

• land breeze
• sea breeze

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Which of the following is an example of convection?

• A hair dryer is drying up your hair.
• When the AC or heater changes the temperature.
• When a car engine turns hot after being turned on.
• The energy from the earth's interior (molten rock circulating)

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NGSS.MS-ESS2-6

About 30% of the solar energy that reaches the atmosphere is reflected back into space. About 20% is absorbed by the air. What percentage reaches earth's surface?

• 50%
• 30%
• 100%
• 55%