4C -Heat transfer

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Multiple Choice

Material - Specific heat (J/gºC)

water 4.184

aluminum 0.900

steel 0.470

silver 0.235

According to the information above, which material listed would require the least amount of energy to raise the temperature of 100 grams of the material by 20° C?

• water

• steel

• aluminum

• silver

Multiple Choice

What factors determine the heat capacity of an object?

• Mass

• Chemical composition

• Temperature

• Volume

Multiple Choice

A substance with a high specific heat:

• Is always extremely hot.
• Requires a lot of energy to become hot.
• Is not heavy.
• Does not requires a lot of energy to become hot.

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Multiple Choice

What inspired the creation of this activity?

• A good reading

• A bad reading

• A visual art

• A personal experience

Multiple Select

On a scale of 0-3 how well do you feel you are learning in this class since getting a teacher?

• 0 I have learned nothing

• 1 I'm learning a little

• 2 I'm learning a lot

• 3 I'm learning so much now!

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Reorder

Using the chart, rank the following materials from slowest (5) to fastest (1) to warm and cool.

• copper

• granite

• dry air

• water vapor

• liquid water

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

What is the formula for calculating specific heat capacity?

• $$c = \frac{Q}{m \Delta T}$$

• $$c = \frac{m \Delta T}{Q}$$

• $$c = \frac{Q \Delta T}{m}$$

• $$c = \frac{m}{Q \Delta T}$$

Multiple Choice

If 5000 J of heat is added to a 2 kg block of copper, causing its temperature to increase by 10°C, what is the specific heat capacity of copper?

• 25 J/kg°C

• 250 J/kg°C

• 500 J/kg°C

• 2500 J/kg°C

Multiple Choice

The thermal energy transfer being shown in this image is...

• conduction

• convection

• radiation

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Poll

Quanto ti senti sicuro riguardo a questo argomento adesso?

• Molto sicuro di sé
• Abbastanza sicuro
• Non sono sicuro