5.3 ✨ using thermal Mastery

Which heating systems use fuel to heat a mass of surrounding air that is blown through a series of ducts?

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NGSS.MS-PS3-3

Which would you expect to find in a home with passive solar heating?

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which device transfers thermal energy from a cooler region to a warmer region?

• Heat pump
• Thermostat
• Air conditioner
• Refrigerator

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NGSS.MS-PS3-3

Solar collectors are parts of __________ solar heating systems.

• Active

• Passive

• Hybrid

• Thermal

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

Match each home-heating system to its description.

• Large windows on south side of building

• forced air

• Large tank for storing water heated by the Sun

• active solar

• Gives uniform warmth

• passive solar

• Fan moves warm air

• electrical

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

How is a heat pump different from an air conditioner?

• A heat pump can both heat and cool, while an air conditioner can only cool.

• A heat pump is used only for heating, while an air conditioner is used only for cooling.

• A heat pump is more energy-efficient than an air conditioner.

• A heat pump is smaller in size compared to an air conditioner.

On a hot day, a friend suggests that you can make your kitchen cooler by leaving the refrigerator door open. Would leaving the refrigerator door open cause the air temperature in the kitchen to decrease?

• Yes, it would decrease the air temperature.

• No, it would not decrease the air temperature.

• It depends on the size of the kitchen.

• Only if the refrigerator is empty.

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NGSS.MS-PS1-4