What is Energy?

In order to do work on an object, ______ must be transferred to it.

• momentum

• velocity

• energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

_________ is the amount of energy transferred to an object per unit of time.

• Momentum

• Power

• Energy

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NGSS.MS-PS3-5

The SI unit for power is the _________.

• joule

• watt

• m/s

The ability to do work or cause a change in matter is...

• energy

• power

• velocity

• gravity

Tags

NGSS.MS-PS3-5

Mechanical energy of objects is the total amount of _____ and _____ energy.

• potential and electrical

• potential and kinetic

• potential and nuclear

• potential and chemical

Kinetic Energy =

• 1/2 x mass

• mass x velocity²

• 1/2 x mass x velocity²

Tags

NGSS.MS-PS3-1

The type of energy related to an object's height is...

• electrical energy.

• nuclear energy.

• kinetic energy.

• gravitational potential energy.

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NGSS.MS-PS3-2

Gravitational Potential energy =

• height x weight.

• weight x mass

• mass x acceleration due to gravity

Tags

NGSS.MS-PS3-2

The stored potential energy in materials that can be compressed or stretched is

• elastic potential.

• nuclear.

• electrical.

• mechanical.

Tags

NGSS.MS-PS3-2

When a spring is compressed, ______ potential energy is added to it.

• power

• gravitational

• elastic

• work

Tags

NGSS.MS-PS3-2