Potential vs. Kinetic Energy

What is potential energy?

• The energy of an object in motion.

• The energy stored in an object due to its position or state.

• The energy released during a chemical reaction.

• The energy associated with the temperature of an object.

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NGSS.MS-PS3-2

What is kinetic energy?

• The energy of an object at rest.

• The energy of an object in motion.

• The energy stored in an object due to its position.

• The energy released during a chemical reaction.

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What is the relationship between kinetic energy and speed?

• Kinetic energy increases linearly with speed.

• Kinetic energy increases with the square of the speed.

• Kinetic energy is independent of speed.

• Kinetic energy decreases as speed increases.

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NGSS.MS-PS3-1

What is the formula for kinetic energy?

• KE = mv

• KE = 1/2 mv²

• KE = mgh

• KE = 1/2 mv

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NGSS.MS-PS3-1

What is the formula for potential energy?

• PE = mv^2

• PE = mgh

• PE = 1/2 mv^2

• PE = mg^2h

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NGSS.MS-PS3-2

How does mass affect kinetic energy?

• Kinetic energy is inversely proportional to mass.

• Kinetic energy is directly proportional to mass.

• Mass has no effect on kinetic energy.

• Kinetic energy is proportional to the square of mass.

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NGSS.MS-PS3-1

What happens to potential energy as an object falls?

• It increases while kinetic energy decreases.

• It remains constant throughout the fall.

• It decreases while kinetic energy increases.

• It fluctuates randomly during the fall.

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NGSS.MS-PS3-2

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What is an example of kinetic energy?

• A stationary bicycle

• A moving car has kinetic energy due to its motion.

• A book resting on a table

• A tree swaying in the wind

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How can we observe energy in everyday life?

• Through sound energy and chemical reactions.

• Through movement (kinetic energy), heating (thermal energy), and light (radiant energy).

• Only through electrical energy in appliances.

• By measuring temperature changes in liquids.

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NGSS.MS-PS1-2

NGSS.MS-PS3-4

What is energy?

• Energy is the ability to do work or cause change.

• Energy is a measure of temperature.

• Energy is the total amount of matter in an object.

• Energy is the force exerted by gravity.