Transformation of Energy

When a pendulum swings, at which point is kinetic energy highest?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which point has the most potential energy?

• G

• F

• B

• A

Tags

NGSS.MS-PS3-2

Which 2 letters have the most kinetic energy?

• a) W & Y

• b) X & Z

• c) W & X

• d) X & Y

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

• mechanical energy to chemical energy

• thermal energy to mechanical energy

• chemical energy to mechanical energy

• mechanical energy to thermal energy

Tags

NGSS.MS-LS1-7

What is the energy transformation that occurs in an electric pencil sharpener?

• mechanical energy to electrical energy

• electrical energy to mechanical energy

• radiant energy to sound energy

• chemical energy to mechanical energy

Which object shows an energy transformation from electrical to mechanical?

• Stopwatch

• Calculator

• Bunsen burner

• Fan

What type of energy transformation occurs in an electric hot plate that is turned on?

• thermal energy to electrical energy

• electrical energy to thermal energy

• thermal energy to mechanical energy

• mechanical energy to thermal energy

When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?

• thermal energy to mechanical energy

• thermal energy to chemical energy to mechanical energy

• chemical energy to thermal energy to mechanical energy

• chemical energy to electrical energy

Which of the following is a disadvantage of using solar energy?

• releases carbon dioxide into the atmosphere

• reduces the need for electricity from fossil fuels

• produces energy only when the sun is shining

• is an unclean source of energy

What energy transformations take place when a battery-operated radio is in use?

• Electrical to chemical to light

• Sound to chemical to mechanical

• Chemical to electrical to sound