Energy Transformations - Science 9

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

Tags

NGSS.HS-PS3-3

Which of the following shows an energy transformation from chemical energy to electrical to light energy?

• A bolt of lightning lights the night sky.
• A candle glows brightly in the dark.
• A fire in a fireplace lights up a room.
• A battery causes a flashlight to shine.

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
• Light to electrical to thermal

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

• mechanical to thermal to electrical
• chemical to mechanical to thermal
• mechanical to chemical to sound
• chemical to sound to electrical

Tags

NGSS.MS-PS1-4

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.

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

• chemical to mechanical to electrical to radiant

• radiant to electrical to sound

• chemical to radiant to mechanical to electrical

• electric to radiant to chemical

Tags

NGSS.MS-PS3-5

What kind of energy is represented in this picture?

• Thermal
• Potential
• Nuclear
• Mechanical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Which energy transformation occurs in a toaster?

• chemical to electric
• electric to thermal
• kinetic to chemical
• thermal to potential

Tags

NGSS.MS-PS3-5

NGSS.MS-PS1-4