Heat Energy

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3

In hot countries, people wear bright white clothes and paint their houses white to reduce absorption of energy from the sun.

Petrol storage tanks sprayed silver to reflect sun’s rays

Slide 17

Absorbers

Shiny, bright can Poor absorber

Dull black can Good absorber

Slide 18

Key Words

Heat

Radiation

Convection

Conduction

Cold

Insulator

Conductor

Temperature

Emitter

Absorber

Transfer