Transformations of Energy

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 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.

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-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

Batteries have ​ (a)   energy that they change into ​ (b)   energy when plugged in

• chemical

• electrical

• kinetic

• sound

• light

• heat

Tags

NGSS.MS-PS3-5

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• chemical to thermal

• light to chemical

• thermal to light

• chemical to electrical

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical

• mechanical -> electrical

• chemical -> mechanical

• mechanical -> electromagnetic

Energy transformations occur when...

• energy is created through conduction

• energy changes from one form to another

• two forces slide together that are touching

• a chemical reaction takes place

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In energy transformations, "wasted energy" usually takes what form?

• heat

• chemical energy

• light

• sound waves

Tags

NGSS.MS-PS3-4

What energy transformation occurs as howler monkeys loudly call to each other in the forest?

• Chemical --> Mechanical --> Sound

• Chemical --> Sound --> Thermal

• Sound --> Chemical --> Radiant

• Mechanical --> Chemical --> Sound

Tags

NGSS.MS-PS3-5