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Question of the Day Label the heat movement as conduction, convection or radiation. 1.Lava Lamp2.Fire3.Spoon in soup.

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Presentation on theme: "Question of the Day Label the heat movement as conduction, convection or radiation. 1.Lava Lamp2.Fire3.Spoon in soup."— Presentation transcript:

1 Question of the Day Label the heat movement as conduction, convection or radiation. 1.Lava Lamp2.Fire3.Spoon in soup

2 Thermal Energy on the Move

3 Thermal energy travels as heat from higher temperature to low temperature. 3 Ways Thermal Energy can move 1. Conduction 2. Convection 3. Radiation

4 1. Conduction- the transfer of energy through matter by direct contact of particles. Ex: Spoon in a pot of boiling water. The heat from the stove heats the pot which heats the water which heats the spoon.

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6 2. Convection- the transfer of energy by the bulk movement of matter. -This happens when fluid particles move from 1 location to another, carrying energy with them. Ex: hot-air balloon

7 Hot water rises Cooler water sinks Cools at the surface

8 Radiation- the transfer of energy in the form of waves. -Does not require matter. Ex: Sun-rays -Only radiant energy that is absorbed changes to thermal energy (heat).

9 There are no particles between the Sun and the Earth. ? RADIATION

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11 Promoting Thermal Energy Conductors- allow heat to move easily through them. Ex: Metals Solids Solids

12 Reducing Thermal Energy Insulators- do not allow heat to move easily through them. Ex: Wood Plastic Plastic Glass Glass Gas Gas

13 Label the heat movement as conduction, convection or radiation. 1.Lava Lamp2.Fire3.Spoon in soup Radiation ConductionConvection


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