Transfer of Energy

Four identical cans are arranged on the shelves of the bookcase shown.  Which can has the greatest potential energy?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS3-2

A girl throws a ball into the air.  At which point does the ball have the greatest potential energy?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS3-2

In a gasoline-powered car, chemical energy from gasoline is transformed to make the car move.  The motion of the car is what form of energy?

• radiant energy
• nuclear energy
• electrical energy
• mechanical energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Which best represents the use of mechanical energy?

• a light bulb giving off heat
• a candle providing light
• a nail being hammered
• a can rusting

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Engineers are building a dam in a river valley.  Once the dam is built, a reservoir will develop.  Which energy transformation are engineers most likely attempting to achieve?

• to convert potential energy into electrical energy
• to convert electrical energy into potential energy
• to convert electromagnetic energy into kinetic energy
• to convert kinetic energy into gravitational energy

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-3

Students are attempting to make a doorbell ring using some wire and a battery.  What is needed to make the bell ring?

• friction
• gravity
• a convection current
• and electrical circuit

Tags

NGSS.MS-ETS1-1

How does the machine shown in the diagram make work easier?

• It changes the direction of the force
• It increases the amount of the force.
• It reduces the friction of lifting.
• It changes the resistance.

Raindrops move soil particles from one location to another.  Which energy conversion gives raindrops the capacity to move soil particles?

• potential to kinetic
• electrical to potential
• chemical to mechanical
• gravitational to electrical

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

The sound made by crickets occurs when the male crickets rubs its two hind legs together.  Which type of energy transformation results in the sound made by crickets?

• sound energy to thermal energy
• thermal energy to chemical energy
• mechanical energy to sound energy
• mechanical energy to chemical energy

Tags

NGSS.MS-PS4-1

The diagrams show forces applied to an object.  Which diagram shows the most work being done?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4