5.2 Energy Transformations

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• chemical to thermal
• light to chemical
• thermal to light
• chemical to electrical

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Energy transformations occur when...

• energy is created through conduction
• energy changes from one form to another
• two forces slide together that are touching
• a chemical reaction takes place

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The roller coaster cart has the most gravitational potential energy at position-

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

The roller coaster cart has the most kinetic energy at position

• X

• W

• Y

• Z

"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?

• Law of Conservation of Mass
• Newton's Second Law
• Law of Conservation of Energy
• Newton's Third Law

Tags

NGSS.MS-PS3-5

Friction stops moving objects by transforming kinetic energy into ________.

• potential energy

• thermal energy

• chemical energy

• elastic energy

Which skier will have more kinetic energy at the bottom of the ramp?

• The blue skier.

• The yellow skier.

• They will have the same amount of kinetic energy.

• It is impossible to tell from the information given.

A tennis ball is thrown into the air. At which position will its PE and KE be the same?

• Position A

• Position B

• Position C

• The PE and KE will be the same at each position.

What is the PE for the skier at point C in the picture?

• PE = 5,000 J

• PE = 10,000 J

• PE = 15,000 J

• PE = 20,000 J