Heat vs. Temperature Heat - the total energy of molecular motion Temperature - a measure of the average energy of molecular motion in a substance.

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Presentation transcript:

Heat vs. Temperature Heat - the total energy of molecular motion Temperature - a measure of the average energy of molecular motion in a substance

Law of Conservation How does energy transfer?

Types of Heat Transfer Heat is the transfer of thermal energy from an object with a higher temperature to an object with a lower temperature. (Hot  Cold )

CONDUCTION Transfer of thermal energy between two objects that are touching.

Examples of Conduction Eating a popsicle Eating a popsicle Waffle maker Waffle maker Touching a light bulb Touching a light bulb

RADIATION Transfer of thermal energy between two objects that are not touching. Transfer of thermal energy by electromagnetic waves.

Examples of Radiation Sunlight Sunlight Tanning beds Tanning beds Heat lamp Heat lamp Fire Fire

CONVECTION Transfer of thermal energy by circular currents in gases and liquids of differing temperatures.

Examples of Convection Currents in the Earth’s mantle Currents in the Earth’s mantle Liquid in a lava lamp Liquid in a lava lamp Wind currents Wind currents

Pancake Heat Transfer Diagram

Lava Lamp Heat Transfer Diagram

Candle Warmer Energy Conversion and Heat Transfer Diagram

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