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Udisha Kapoor
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Asked: 2020-10-30T04:05:19+00:00 In:

What is geothermal energy?

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NCERT Solution for Class 10 Science Chapter 14
Sources of Energy
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Intext Questions
Page No-253
Questions No-3

2020-2021cbsechapter 14class10ncertsciencesources of energy
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    4 Answers

    1. The energy which can be harnessed from the heat of inside of the earth is called geothermal energy.

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    2. Energy stored as heat in certain regions of the earth (called hot spots) is called geothermal energy. Hot spots are the locations below earth’s crust where upward moving magma gets collected due to geological changes. When underground water comes in contact with the hot spots, steam is generated. This steam is utilised to generate electricity using pipes and turbines. Sometimes hot water from the hot spot finds outlet at the surface. Such outlets are called hot springs.

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    3. Geothermal power plants use heat of the Earth to generate electricity. This heat energy of the Earth is known as geothermal energy.

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    4. Geothermal energy is the heat energy present inside earth in certain regions called hot spots. Due to geological changes, molten rocks formed in the deeper hot regions of earth’s crust are pushed upwards and are trapped in hot spots. When underground water comes in contact with the hot spot, steam is generated. This steam is routed through a pipe to a turbine and used to generate electricity.

      For more answers visit to website:
      https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-14/

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