Thermal Energy 2013-14. Heat moves through liquids by the process of _______. A: Convection.

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Presentation transcript:

Thermal Energy

Heat moves through liquids by the process of _______. A: Convection

What type of heat transfer is occurring at Point A? A: A-Convection A C B

Name an example of convection. A: EX: Hot air rising in a house; Hot air balloon rising

What type of heat transfer is occurring at Point B? A: B - Conduction A C B

Which type of heat energy occurs across open space? A: Radiation

What type of energy transfer occurs when a mug of hot tea warms cold hands? A: Conduction

Insulators serve to (increase, decrease or not change) the transfer of heat energy. A: Decrease

Name an example of radiation. A: EX: Sunlight warming the Earth; Heat lamps warming food

What type of heat energy transfer occurs when two objects touch? A: Conduction

If two objects have different temperatures, which direction does the heat move? A: From Hot to Cold

What is the goal for the movement of heat? A: To reach equilibrium

Can heat energy be created or destroyed? A: No

Explain how a hot air balloon works. A: The air in the balloon is heated which causes it to be less dense. The less dense air rises.

What type of heat transfer is occurring at Point C? A: C - Radiation A C B

What type of heat transfer occurs when an ice cream is melting on the sidewalk? A: Conduction

You get a sun burn from sitting in the sun all day. What type of heat transfer occurred? A: Radiation