Unit 3 Lesson 1

An ice cube is placed in a glass of warm tea. Later, the ice has melted, and the tea is cooler. Which statement describes the transfer of energy?

• Energy has been transferred from the ice cube to the warm tea

• Light energy from the warm tea has been transferred to the ice cubes

• Energy from the warm tea has been transferred to the ice cubes and the glass

• Electrical energy has been transferred from the tea to the surrounding air and glass.

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A company that makes batteries has assigned a group of engineers and scientists to design a new type of battery. Which pair of scientist and engineer would make the best team to work on the project?Choose the correct answer.

• an engineer who is designing a new battery and a scientist who studies how to store energy

• an engineer who is testing existing batteries and a scientist who studies converting heat to electricity

• an engineer who is designing a new battery and a scientist who studies converting stored energy to motion

• an engineer who is testing existing batteries and a scientist who studies converting stored energy to electrical energy

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Into which other kinds of energy does a light bulb transform electrical energy?

Choose the two correct answers.

• chemical

• heat

• light

• motion

• sound

Which of these devices does NOT change electrical energy into motion energy? Choose the best answer.

• DVD Player

• Clock

• Clothes Dryer

• Electric Light

Tags

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True or False:

Energy is the ability to cause change in matter.

• True

• False

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Which form of energy can easily be observed in all of these: A washing machine, a printer, and a radio?

Choose the best answer.

• sound

• motion

• chemical

• heat

How does a toaster use energy to make toast?

A toaster is a device that ___________

electrical energy to heat energy

• transfers

• transforms

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How does a toaster use energy to make toast?

A toaster is a device that transforms

electrical energy to heat energy.

The energy then __________

to the bread to turn it into toast!

• transfers

• transforms

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A toaster is a device that transforms

electrical energy to heat energy. The energy then transfers

to the bread to turn it into toast!

Some electrical energy also becomes _________

 to let you know when the toast is ready to eat. 

• sound

• light

Saya is learning about electric circuits. She tries to light a bulb using a battery and a wire. Her design is shown. 

The bulb _____ light up because energy cannot be transferred unless  the wire is connected to the side of the bulb.

• will

• will not

Tags

NGSS.MS-ETS1-1