Energy Quiz Review

_______ is the ability to cause change or do work.

• Work

• Power

• Energy

• Momentum

Tags

NGSS.MS-PS3-5

What two factors determine how much kinetic energy an object has from its motion?

• the object's position and mass

• the object's speed and position

• the object's speed and mass

• the object's speed and surface area

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What two factors affect how much gravitational potential energy an object-Earth system has?

• the object's speed and mass

• Earth's size and the object's mass

• the object's mass and height above the reference point

• the object's speed and surface area

The _______ is the SI unit of energy.

• Joule

• Volt

• Ampere

• Watt

______ is energy stored by things that stretch or compress.

• Elastic kinetic energy

• Gravitational potential energy

• Chemical kinetic energy

• Elastic Potential Energy

Stored energy due to chemical bonds is _______.

• chemical kinetic energy

• energy of activation

• thermal potential energy

• chemical potential energy

Tags

NGSS.HS-PS1-4

What is the kinetic energy of a 25 kg object moving at a velocity of 2.5 m/s?

(KE = 1/2 m v2 )

• 70 J

• 68.75 J

• 75 J

• 78.125 J

Tags

NGSS.MS-PS3-1

What is the kinetic energy of a 10 kg object moving at a velocity of 4 m/s?

(KE = 1/2 m v2 )

• 200 J

• 160 J

• 400 J

• 80 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What is the gravitational potential energy of a 10 kg object suspended 25 m above the earth’s surface?

(GPE = mgh, g = 10 m/s2)

• 2,5 m/s

• 1,500 J

• 750 J

• 2,500 J

Tags

NGSS.MS-PS3-2

What is the gravitational potential energy of a 0. 25 kg object that is 2 m above the surface of the earth?

(GPE = mgh, g = 10 m/s2)

• 0.5 J

• 5000 J

• 5 J

• 500 J

Tags

NGSS.MS-PS3-2