Introduction to Energy

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What is potential energy?

Back

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

Tags

NGSS.MS-PS3-2

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Tags

NGSS.MS-PS3-1

Front

Can energy be created or destroyed?

Back

No, energy cannot be created or destroyed; it can only be transformed from one form to another.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in a system.

Tags

NGSS.MS-PS3-4

Front

What factors affect potential energy?

Back

Potential energy depends on the object's mass, height, and the gravitational force acting on it.

Tags

NGSS.MS-PS3-2

Front

What factors affect kinetic energy?

Back

Kinetic energy depends on the mass of the object and the square of its velocity.

Tags

NGSS.MS-PS3-1

Front

How is potential energy calculated?

Back

Potential energy (PE) = mass (m) × gravitational acceleration (g) × height (h).

Front

How is kinetic energy calculated?

Back

Kinetic energy (KE) = 1/2 × mass (m) × velocity (v)².

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

What is gravitational potential energy?

Back

Gravitational potential energy is the potential energy held by an object because of its height above the ground.

Tags

NGSS.MS-PS3-2