Which of the following forms of energy can be stored in the Earth's crust and released during earthquakes?a) Thermal energyb) Gravitational potential energyc) Nuclear energyd) Elastic potential energy
Question
Which of the following forms of energy can be stored in the Earth's crust and released during earthquakes?a) Thermal energyb) Gravitational potential energyc) Nuclear energyd) Elastic potential energy
Solution
The energy that can be stored in the Earth's crust and released during earthquakes is elastic potential energy. Here's a step-by-step explanation:
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The Earth's crust is made up of several large pieces called tectonic plates. These plates are constantly moving, but very slowly.
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When these plates move past each other, they can sometimes get stuck due to friction. When this happens, the plates continue to try to move, causing them to deform.
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This deformation stores elastic potential energy in the crust. This is similar to how stretching a rubber band stores elastic potential energy.
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When the force becomes too great, the plates suddenly slip, releasing the stored energy. This release of energy is what we feel as an earthquake.
So, the correct answer is d) Elastic potential energy.
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