Performing Transformations

What is the best example of electrical energy being transformed to thermal energy?

• car driving down the road

• Turning on a lamp

• person running

• Answering a cell phone

The picture shows a light bulb attached to a hand generator. What energy transformation occurs as the handle of the generator is turned?

• thermal → solar → light

• solar → light → electrical

• mechanical → electrical → light

• electrical → mechanical → light

Which type of energy transformation occurs when a flashlight shines?

• chemical → thermal → electrical

• chemical → electrical → light

• thermal → chemical → light

• chemical → electrical → chemical

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

• chemical → light → electrical

• electrical → light → chemical

• light → electrical → chemical

• chemical → electrical → light

Tags

NGSS.MS-PS3-5

Which of these is an example of light energy being transformed into chemical energy?

• A glow stick lights up when broken.

• Water heated by the sun evaporates.

• A plant makes sugar in the sunlight.

• A battery causes a buzzer to vibrate.

Tags

NGSS.MS-LS1-6

When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?

• electrical → light → mechanical

• chemical → mechanical → electrical

• mechanical → chemical → light

• mechanical → electrical → light

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 → thermal

• light → chemical

• thermal → light

• chemical → electrical

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the energy transformation?

• Electrical to Electromagnetic

• Mechanical to Electrical

• Electrical to Thermal

• Kinetic to Sound

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

What is the energy transformation?

• Electromagnetic to Electrical

• Mechanical to Electrical

• Electrical to Thermal

• Kinetic to Sound

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Which of the following is an example of mechanical energy being transformed into electrical energy?

• A wind turbine generating electricity

• A battery powering a flashlight

• A solar panel absorbing sunlight

• A car engine burning fuel