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 thermal, mechanical, electrical, and sound energy.

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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 kinetic energy of particles in an object.

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What is mechanical energy?

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Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of 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 is a form of mechanical energy that travels through air, water, or solids.

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What is electrical energy?

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Electrical energy is the energy caused by the movement of electrons. It is used to power devices and appliances.

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How can thermal energy be transferred?

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Thermal energy can be transferred through conduction, convection, and radiation.

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What is conduction?

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Conduction is the transfer of thermal energy through direct contact between materials.

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What is convection?

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Convection is the transfer of thermal energy through the movement of fluids (liquids or gases) caused by differences in temperature.

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What is radiation?

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Radiation is the transfer of energy through electromagnetic waves, such as light and heat from the sun.

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What is potential energy?

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Potential energy is the stored energy in an object due to its position or state. For example, a rock at the top of a hill has gravitational potential energy.