Transformations Review

Electrical energy can be transformed into other types of energy. We often experience these changes of energy in our everyday lives. Which example is a transformation from electrical energy to light energy?

• motor

• flashlight

• slow cooker

• solar panels

Jane puts some water into an electric kettle and then she connects it to the power source. She observes that after some time, the water inside the kettle heats up and begins to boil. What is happening?

• Light energy is transforming into heat.

• Heat energy is transforming into electricity.

• Electrical energy is transforming into heat energy.

• Electrical energy is transforming into light and heat energy.

Tags

NGSS.MS-PS3-5

Energy can be changed from one form to another. Changes in the form of energy are called energy conversions. Identify which best describes the energy used to pluck guitar strings to make sound.

• electricity

• electromagnetic

• heat

• mechanical

A light bulb converts electrical energy into light and ____.

• chemical.

• electromagnetic.

• heat.

• nuclear.

Tags

NGSS.HS-PS3-4

NGSS.HS-PS4-5

Which type of energy is converted when gasoline burns in an engine?

• elastic potential energy

• nuclear potential energy

• chemical potential energy

• gravitational potential energy

A student needs help completing an energy transfer diagram for a ceiling fan. Which BEST fills in the blanks labeled M and N to describe the transfer of energy?

• N: Electrical and M: Potential energy

• N: Light energy and M: Electrical energy

• N: Electrical energy and M: Kinetic energy

• N: Mechanical energy and M: Electrical energy

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Electrical energy can be transformed into other types of energy. We often experience this transformation of energy in our everyday lives. The example that represents a transformation from electrical to sound energy is

• flashlight.

• campfire.

• television.

• lamp.

Yesenia wants to bake cookies in her electric oven. The oven will transform electrical energy into ________ energy.

• heat

• light

• motion

• sound

Tags

NGSS.MS-PS3-3

Which of following statements is TRUE?

• In a radio, sound energy is transformed into electricity energy.

• In a microwave oven, electricity is transformed into chemical energy.

• In a hair dryer, electrical energy is transformed into light and heat.

• In a computer, electrical energy is transformed into sound, light, and heat.

Which of the following is an example of energy transformation from chemical energy to thermal energy?

• A) A battery powering a flashlight

• B) A car engine burning gasoline

• C) A wind turbine generating electricity

• D) A solar panel absorbing sunlight