PS.5a Review: KE and PE

Front

What is Kinetic Energy?

Back

Kinetic Energy is the energy an object possesses due to its motion. It is calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.

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What is Potential Energy?

Back

Potential Energy is the stored energy in an object due to its position or state. For example, gravitational potential energy depends on an object's height above the ground.

Front

What is the Law of Conservation of Energy?

Back

The Law of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What is Thermal Energy?

Back

Thermal Energy is the total kinetic energy of the particles in a substance, which is related to its temperature.

Front

What is the unit of energy in the International System of Units (SI)?

Back

The unit of energy in the SI system is the Joule (J).

Front

How does a toaster work in terms of energy transformation?

Back

A toaster transforms electrical energy into thermal energy to toast bread.

Front

What type of energy do solar panels convert?

Back

Solar panels convert radiant energy from sunlight into electrical energy.

Front

What is an example of energy transformation in a roller coaster?

Back

As a roller coaster climbs, it gains potential energy; as it descends, that potential energy is converted into kinetic energy.

Front

What is the difference between kinetic and potential energy?

Back

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

Front

What is an example of potential energy?

Back

A book on a shelf has gravitational potential energy due to its height above the ground.