Energy Transformations

Front

What does the law of conservation of energy state?

Back

The amount of energy coming out of a system must equal the energy that entered the system.

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Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state, such as chemical energy.

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Front

What are the energy transformations in a hand generator?

Back

Mechanical energy is transformed into electrical energy, which is then transformed into light energy.

Front

Which object has the greatest gravitational potential energy?

Back

A 45 pound dog in an oak tree has the greatest gravitational potential energy due to its height and weight.

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Front

What energy transformation occurs when lighting a match?

Back

The energy transformation is chemical energy → light energy → heat energy.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion, depending on its mass and speed.

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Front

What is an example of mechanical energy?

Back

A moving car has mechanical energy due to its motion.

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Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like food or fuel.

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Front

What is the difference between potential and kinetic energy?

Back

Potential energy is stored energy based on position, while kinetic energy is energy of motion.

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What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter, related to the motion of particles.

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