Energy

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What is energy?

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Energy is the ability to do work or cause change. It exists in various forms, such as mechanical, electrical, thermal, and light energy.

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What is mechanical energy?

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Mechanical energy is the energy associated with the motion and position of an object. It can be kinetic (energy of motion) or potential (stored energy).

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What is electrical energy?

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Electrical energy is the energy caused by the movement of electrons. It powers devices like lamps and computers.

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What is light energy?

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Light energy is a form of energy that is visible to the human eye. It is produced by sources like the sun and light bulbs.

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What is thermal energy?

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Thermal energy is the energy that comes from the temperature of matter. It is the total energy of all the particles in an object.

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What is sound energy?

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Sound energy is the energy produced by vibrating sound waves. It travels through air, water, and solids.

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What is an example of mechanical energy?

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An example of mechanical energy is a moving car or a person pushing a heavy box.

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What happens when you turn on a lamp?

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When you turn on a lamp, electrical energy is converted into light energy.

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How does the sun provide energy?

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The sun provides energy in the form of light and heat, which can be felt on Earth.

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What is the difference between kinetic and potential energy?

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Kinetic energy is the energy of motion, while potential energy is stored energy based on an object's position.