Geothermal Energy Flashcard

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What is geothermal energy?

Back

Geothermal energy is heat that comes from the Earth's core, which can be used for heating and electricity generation.

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What is the primary energy source for geothermal heat pumps?

Back

Electricity.

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How do geothermal heat pumps work?

Back

Geothermal heat pumps extract heat from the ground.

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Which regions have abundant geothermal resources?

Back

The USA and the Philippines.

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What is a disadvantage of geothermal heat pumps?

Back

High initial cost.

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What are the main components of a geothermal heat pump system?

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The main components include the heat pump unit, ground loop, and distribution system.

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Front

What is the difference between geothermal energy and solar energy?

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Geothermal energy comes from the Earth's core, while solar energy comes from the sun.

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What is a ground loop in a geothermal system?

Back

A ground loop is a series of pipes buried in the ground that circulates fluid to absorb or dissipate heat.

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What are the environmental benefits of geothermal energy?

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Geothermal energy produces low greenhouse gas emissions and has a small land footprint.

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What is the role of a heat exchanger in a geothermal system?

Back

A heat exchanger transfers heat between the fluid in the ground loop and the refrigerant in the heat pump.

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