Energy Transformations

A device that converts electrical energy to light energy.

• A blender

• A light bulb

• A bicycle

• A balloon

Turning on the radio is what type of energy conversion?

• sound to light

• electrical to sound

• electrical to light

• light to electrical

When a pendulum swings, at which point is potential energy at its greatest?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS3-2

Which object has the most kinetic energy?

• A ball resting on the ground.

• A ball being thrown at 100 miles per hour.

• A ball on top of a refrigerator.

• A ball resting on the edge of a cliff.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which passenger has the most potential energy?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

There is a finite amount of energy in the universe. What does this mean?

• Energy is created and destroyed all the time.

• There is a limited amount of energy in the universe and energy is neither created nor destroyed (but transformed).

• Stars generate most of the energy in the universe.

• Dark matter absorbs most of the energy in the universe.

Objects in motion have ______ energy.

• Sound

• Thermal

• Mechanical

• Electrical

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Four cars are positioned at the top of a hill. Which car has the most potential energy?

• 
• 
• 
• 

Tags

NGSS.MS-PS3-2

Energy is expressed in

• watts (W)

• electricity

• joules (J)

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Energy transformations are when energy _____________ from one form to another.

Tags

NGSS.MS-PS3-5