Heat Pumps

What are the components of a geothermal heat pump system?

• Boiler unit, radiator system, and ductwork

• Solar panels, wind turbine, and battery storage

• Natural gas furnace, electric water heater, and air conditioner

• Heat pump unit, ground heat exchanger, and air delivery system

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NGSS.MS-PS3-3

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What is the difference between an open-loop and closed-loop geothermal heat pump system?

• The difference is in the source of heat exchange - open-loop uses groundwater, closed-loop uses underground piping.

• The difference is in the type of heat pump used - open-loop uses air-source, closed-loop uses ground-source.

• The difference is in the size of the system - open-loop is larger than closed-loop.

• The difference is in the installation process - open-loop requires drilling, closed-loop does not.

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NGSS.MS-PS3-3

What are the potential drawbacks of geothermal heat pumps?

• No upfront cost, unlimited availability of suitable land for installation, no potential for underground water contamination, and no noise from the heat pump system.

• High upfront cost, limited availability of suitable land for installation, potential for underground water contamination, and noise from the heat pump system.

• Low upfront cost, abundant availability of suitable land for installation, no potential for underground water contamination, and quiet operation of the heat pump system.

• High upfront cost, unlimited availability of suitable land for installation, no potential for underground water contamination, and quiet operation of the heat pump system.

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NGSS.HS-ETS1-3

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What is a geothermal heat pump?

• A machine that extracts heat from the air to provide heating

• A system that uses water from a river to cool down a building

• A device that uses the heat from the sun to warm up a building

• A heating and/or cooling system that uses the constant temperature of the earth as the exchange medium.

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NGSS.MS-ETS1-4

What are the advantages of using a geothermal heat pump?

• No cost savings, not eco-friendly, not durable, and limited in application

• No impact on operating costs, not environmentally friendly, not long-lasting, and limited in functionality

• Lower operating costs, environmental friendliness, durability, and versatility

• Higher operating costs, harmful to the environment, easily damaged, and limited in use

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NGSS.HS-ETS1-3

NGSS.HS-ESS3-2

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What is the primary function of a heat pump?

• To generate electricity

• To transfer heat from one place to another

• To cool down electronic devices

• To increase the temperature of a liquid

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NGSS.MS-PS3-3

Which of the following is a common type of heat pump?

• Hydraulic heat pump

• Magnetic heat pump

• Geothermal heat pump

• Nuclear heat pump

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

How does a heat pump differ from a traditional heating system?

• It uses combustion to generate heat

• It transfers heat rather than generating it

• It requires more energy to operate

• It is only used in industrial settings

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NGSS.MS-PS3-3

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What is the role of the refrigerant in a heat pump?

• To absorb and release heat

• To provide insulation

• To generate electricity

• To cool the air

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NGSS.MS-PS3-3

In which part of a heat pump does the refrigerant absorb heat?

• Condenser

• Evaporator

• Compressor

• Expansion valve

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NGSS.MS-PS1-4