Energy Transformation

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

NGSS.MS-PS3-5

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

Tags

NGSS.4-PS3-2

NGSS.4-PS3-4

Which object shows an energy transformation from electrical to mechanical?

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Tags

NGSS.4-PS3-4

What type of energy transformation occurs in an electric fan?

• electrical energy to mechanical energy

• radiant energy to mechanical energy

• chemical energy to radiant energy

• electrical energy to nuclear energy

Tags

NGSS.MS-PS3-5

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

• thermal energy to electrical energy

• electrical energy to thermal energy

• thermal energy to mechanical energy

• mechanical energy to thermal energy

Tags

NGSS.MS-PS1-4

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

Tags

NGSS.MS-PS3-3

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light
• Electrical to chemical
• Electrical to light
• Chemical to electrical

Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader
• a fan
• a manual pencil sharpener
• ipod

The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -

• chemical energy to electrical to sound.
• electrical energy to thermal to light.
• sound energy to electrical to chemical.
• mechanical energy to electrical to sound.

Tags

NGSS.MS-PS3-5

what type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical