Transfer of Thermal Energy

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Transferring Thermal Energy

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Presentation transcript:

Transfer of Thermal Energy

move or transfer? What are the Three ways heat can Conduction Convection Radiation

Draw in notes

1.Conduction: heat is transferred from one object to another by direct contact.

Conduction The transfer of thermal energy through direct contact between particles of matter.

2.Convection: heat is transferred by the movement of currents within a fluid (liquid or gas).(Air is considered a fluid!!!)

Convection Heat is transferred by the movement of currents within a liquid or gas.

3.Radiation: the transfer of energy by waves. Radiation is heat transferred without touching.

Radiation The transfer of energy (heat) by electromagnetic waves. It does not require matter to transfer its heat.

Conductor: a material that allows transfer of energy. Insulator: a material that slows the

LETS PRACTICE!!

In the above diagram how does the water become heated? conduction (B) convection (C) radiation

In the above diagram what happens to the heated water from the bottom of the pot? (A) Heated liquid rises to the top then loses heat energy & drops (B) Heated liquid drops to the bottom loses heat energy then rises to the top

This is an example of? Conduction Radiation Convection

This is an example of? Radiation Convection Conduction