Unit 2 Energy review

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What is convection?

Back

Convection is the transfer of heat through a fluid (liquid or gas) caused by the movement of the fluid itself. An example is heating oil in a skillet.

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What type of energy does moving water have?

Back

Moving water has kinetic energy, which is the energy of motion.

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How can sound energy be felt?

Back

Sound energy can be felt when it vibrates through the air and transfers energy to our bodies, even if we are not touching the source.

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What is a true statement about energy?

Back

Energy has the ability to cause motion.

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What is conduction?

Back

Conduction is the transfer of heat that occurs when one thing touches another, like a metal spoon getting warm in hot soup.

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What is kinetic energy?

Back

Kinetic energy is the energy an object has due to its motion.

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What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state, like water held behind a dam.

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What is thermal energy?

Back

Thermal energy is the total energy of all the particles in an object, related to its temperature.

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What is radiation?

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Radiation is the transfer of energy through space without the need for a medium, such as heat from the sun.

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What is an example of convection in everyday life?

Back

An example of convection is warm air rising and cool air sinking, which creates wind.

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