Question: How is geothermal energy produced Class 10?

Geothermal energy is the heat energy from hot rock present inside the earth. … This heat comes from the fission of radioactive materials which are naturally present in these rocks. The places where very hot rocks occur at some depth below the surface of earth are called hot spots, and are sources of geothermal energy.

How is geothermal energy produced explain Class 10?

Geothermal energy is the thermal energy generated and stored inside the Earth’s crust. … These molten rocks formed in the Earth’s crust are pushed upward where they get trapped in certain regions called ‘hot spots’. When underground water comes in contact with the hot spot, steam is generated.

What are 3 ways geothermal energy is created?

There are three types of geothermal power plants: dry steam, flash, and binary. Dry steam, the oldest geothermal technology, takes steam out of fractures in the ground and uses it to directly drive a turbine. Flash plants pull deep, high-pressure hot water into cooler, low-pressure water.

What is an example of geothermal energy?

You’ve probably seen or heard of lava flows, geysers, fumaroles, and hot springs. These are natural displays of geothermal energy. For example, hot springs are heated by geothermal heat. When water comes into contact with hot rocks deep in the Earth’s crust, it can rise to the surface to form springs.

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What are the 3 main uses of geothermal energy?

Geothermal energy is used in three main ways: direct use, power generation, and ground source heating and cooling: Direct Use: The hot water in geothermal reservoirs produces heat and steam, which can be directly used for multiple purposes. In the past, hot springs were directly used for bathing and cleaning purposes.

What is tidal energy class 10th?

Tidal energy is a form of hydro power which converts the energy obtained from tides into other useful energies (electricity). The tidal energy is the result of the sun and moon’s influence over the ocean. … Tidal power utilizes the energy contained in tides to produce electricity.