Forces and Energy - Lesson 10 - Thermal Energy and Heat

Thermal Energy and Heat

TeachTCI - Forces and Energy

Lesson 10 - Thermal Energy and Heat

Pages 163 - 175

Vocabulary

Page 163

Temperature Conduction

Thermal Energy Convection

Heat Radiation

Thermal Equilibrium

Multiple Choice

What is temperature?

• A measure of the average kinetic energy of particles in matter

• KE and PE stored in a system

• Thermal energy transferred from one region to another

• Heat transfer caused by contact

Draw

Draw thermal equilibrium.

Page 164

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Section 1 - Temperature

Multiple Choice

Which has the highest temperature?

• Cookies at 25 degrees C

• Cookies at 35 degrees C

• Cookies at 75 degrees C

Open Ended

What happens to the KE of the particles in an object when the temperature increases?

​Page 165-166

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Section 2 - Thermal Energy

Open Ended

Why does a giant iceberg have more thermal energy than a cup of boiling water?

Draw

What are the three factors that affect thermal energy? (besides temperature)

Multiple Choice

Which state of matter has the most thermal energy - if all of them have the same temperature.

• Solid

• Liquid

• Gas

Page 168-169

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Section 3 - Heat

Draw

Draw an example of heat.

Multiple Choice

Which example would heat flow the quickest?

• Ice (0 degrees) to air (10 degrees)

• Ice (0 degrees) to a hot plate (200 degrees)

• A hot plate (200 degrees) to ice (0 degrees)

• Air (50 degrees) to hot coffee (100 degrees)

Open Ended

Tell me a quick way to cool down a cup of coffee AND explain how that method works on a molecular level.

(Page 170-171)​

Section 4 - Heat and Conservation of Energy

Open Ended

In order for temperature to change energy must....

(Page 172)

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Section 5 - Thermal Equilibrium

Multiple Choice

Heat transfer will only cease once the objects in a system are....

• Very hot

• Very cold

• The same temperature

• Different temperatures

Open Ended

Give an example of thermal equilibrium.

(Page 174-175)

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Section 6 - Three Methods of Heat Transfer

Open Ended

Give and example of conduction.

Open Ended

Give and example of convection.

Draw

Draw convection.

Open Ended

Give and example of radiation.