Energy Forms

Front

What is thermal energy and give an example?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy that comes from the movement of particles in a substance. An example is ice cream melting on a hot day.

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Front

Define electrical energy and its source.

Back

Electrical energy is the energy caused by the movement of electrons. It is the energy of electric charges.

Front

What is gravitational energy?

Back

Gravitational energy is a type of potential energy that depends on the height of an object. The higher the object, the more gravitational energy it has.

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Front

What is the definition of energy?

Back

Energy is the ability to do work or cause change.

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Front

Explain the concept of work in terms of energy transfer.

Back

Work is the transfer of energy that occurs when a force is applied over a distance.

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What are the different forms of energy?

Back

The different forms of energy include thermal energy, electrical energy, gravitational energy, kinetic energy, chemical energy, and nuclear energy.

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How does kinetic energy differ from potential energy?

Back

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

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What is the formula for calculating kinetic energy?

Back

The formula for calculating kinetic energy (KE) is KE = 1/2 mv², where m is mass and v is velocity.

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Front

What is the principle of conservation of energy?

Back

The principle of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.

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Front

How does thermal energy transfer occur?

Back

Thermal energy transfer occurs through conduction, convection, and radiation.

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