Energy Transformations

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

• An e-reader

• a fan

• a manual pencil sharpener

• ipod

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

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

• solar

• light

• thermal

• mechanical

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

• thermal -> electrical

• mechanical -> electrical

• chemical -> mechanical

• mechanical -> electromagnetic

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

• electrical to chemical to sound

• thermal to nuclear to electrical

• chemical to electrical to sound

• chemical to sound to thermal

Tags

NGSS.MS-PS3-5

Which of the following energy transformations occur when a lamp that is plugged in the wall outlet is working properly?

• electrical to light

• chemical to light

• chemical to electrical

• electrical to thermal

Tags

NGSS.MS-PS1-4

What type of energy transformation in an electric hot plate is plugged in?

• electrical to light

• mechanical to electrical to light

• thermal to mechanical to light

• electrical to thermal

Tags

NGSS.MS-PS1-4

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?

• thermal

• electrical

• chemical

• electromagentic

Which of the following transfers occurs when food is digested?

• Chemical to mechanical

• Mechanical to thermal

• Mechanical to solar

• Chemical to thermal

Tags

NGSS.MS-LS2-3

Plants turn_______ energy into _______ energy for food.

• thermal, mechanical

• radiant, chemical

• electromagnetic, light

• potential, kinetic

Tags

NGSS.MS-LS1-6