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 electrical, thermal, mechanical, and chemical.

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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 lights and computers.

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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 energy of moving particles and is often felt as heat.

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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 (moving) or potential (stored).

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What is chemical energy?

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Chemical energy is the energy stored in the bonds of chemical compounds, like food and fuel. It is released during a chemical reaction.

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What happens when you turn off a light?

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When you turn off a light, electrical energy is stopped from flowing to the light bulb, causing it to go dark.

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What is an electrical circuit?

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An electrical circuit is a closed loop that allows electricity to flow. It consists of a power source, wires, and a load (like a light bulb).

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What does it mean if a circuit is open?

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An open circuit means that the path for electricity is broken, preventing the flow of electrical energy.

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What is sound energy?

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Sound energy is the energy produced by vibrating sound waves. It is how we hear sounds.

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What is light energy?

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Light energy is the energy that travels in waves and can be seen by the human eye. It is produced by sources like the sun and light bulbs.