Energy Review

Front

What is kinetic energy?

Back

Kinetic energy is energy that exists because something is moving.

Tags

NGSS.MS-PS3-1

Front

How is kinetic energy calculated?

Back

Kinetic energy (KE) is calculated using the formula: KE = 1/2 * mass * velocity^2.

Front

What is potential energy?

Back

Potential energy is energy that is stored in an object due to its position or state.

Tags

NGSS.MS-PS3-2

Front

At which point is potential energy the greatest in a roller coaster?

Back

Potential energy is greatest at the highest point of the roller coaster.

Front

What is the equation for work?

Back

W = force x distance.

Tags

NGSS.MS-PS3-5

Front

What are the units of energy?

Back

The unit of energy is the Joule (J).

Front

What is the relationship between work and energy?

Back

Work done on an object results in a change in energy of that object.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-3

Front

What is an example of energy transformation?

Back

Electrical energy transforming into mechanical energy in a fan.

Front

What is the formula for calculating kinetic energy of an object with mass 478 kg traveling at 15 m/s?

Back

KE = 1/2 * 478 kg * (15 m/s)^2 = 53,775 Joules.

Tags

NGSS.MS-PS3-1

Front

What type of energy does a stretched rubber band have?

Back

A stretched rubber band has potential energy.

Tags

NGSS.MS-PS3-2