Energy Transformations

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.

Tags

NGSS.MS-PS3-4

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

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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

A television works by transforming electrical energy into what other kinds of energy?

• Light, thermal, and sound
• Thermal, chemical, and solar
• Sound, mechanical, and electrical
• Light, chemical, and mechanical

Tags

NGSS.MS-PS4-1

What is the best example of a device that converts electrical energy to thermal energy?

• a toaster
• a clock radio
• a flashlight
• an electric toothbrush

Which of the following chemical energy to sound and radiant energy?

• solar calculator
• windmill
• glow stick
• firecracker

Which of the following converts chemical energy to radiant energy?

• candle
• light bulb
• coal power plant
• nuclear power plant

Tags

NGSS.HS-PS3-3

Which of the following converts electrical energy to radiant energy?

• candle
• light bulb
• coal power plant
• nuclear power plant

Tags

NGSS.HS-PS3-3

Which of the following converts chemical energy to electrical energy?

• Battery
• Person eating food
• Automobile
• Camp Fire