Heat Energy transfer

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 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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Ironing a shirt is an example of...

• condensation
• conduction
• convection
• radiation

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Johnny accidentally grabbed the handle of the hot pot.

• conduction
• convection
• radiation

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A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

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Transfer of thermal energy through "space"

• conduction
• convection
• radiation

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Considering that convection is driven by differences in temperature, double-pane windows are most likely used to 

• create a convection current from the outside air to the inside air.
• increase the rate of heat flow to the outside air 2
• create a convection current from the inside air to the outside air.
• decrease the rate of heat flow to the outside air.

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The sun shines down on this family as the play on the beach.

• conduction
• convection
• radiation

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The Gulf Stream is a current that brings warm ocean water from the south to the north.

• conduction
• convection
• radiation

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