Unit 3 Science Review

Bobby pushes his toy box across the room. What kind of energy is happening?

• sound

• light

• electrical

• mechanical

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NGSS.MS-PS2-1

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Lillian turns on her desk lamp to read her book. Which of the following describes what is occurring in order for the lamp to produce light?

• the circuit is opened, turning the light off

• the circuit is closed, turning the light off

• the circuit is opened, turning the light on

• the circuit is closed, turning the light on

Caroline is making a poster about conductors and insulators. All of the following objects would be considered conductors, except

• 
• 
• 
• 

Which form of energy is produced by the light bulb when a lamp is turned on?

• sound energy

• electrical energy

• light energy

• chemical energy

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NGSS.4-PS3-2

An insulator is often used to help regulate an object’s temperature. Which of the following is true about

an insulator?

• it slows energy transfer

• it can also be a good conductor

• it allows heat to pass through easily

• it provides heat to keep materials warm

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NGSS.MS-PS3-3

Lola is learning to play the guitar. Which form of energy is produced when she plucks the strings and

they vibrate?

• electrical energy

• thermal energy

• light energy

• sound energy

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NGSS.MS-PS4-1

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Look at the drawing of the electrical circuit and determine which of the following statements is true

about the circuit?

• The light bulb is on

• The electrical circuit is working

• The electrical circuit is open

• The electrical circuit is closed

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NGSS.4-PS3-2

Marcus wants to create a circuit. He has a battery and a light bulb. Which of the following items would

work best to complete his circuit and produce light?

• 
• 
• 
• 

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NGSS.3-5-ETS1-1

The diagram below shows a wind turbine. Electricity is generated when the blades of the turbine rotate. What kind of energy is happening when the turbine rotates?

• electrical energy

• light energy

• thermal energy

• mechanical energy

Sam tries to build an electric current using a battery, a light bulb, a paper clip, and copper wire. She

wants to demonstrate that an electric circuit travels in a closed path. The diagram shows what

she builds. Which statement explains the problem with her circuit?

• The circuit lacks an energy source.

• The circuit lacks a wire connecting the bulb to the battery.

• The light bulb uses the electric current.

• The paper clip stops the electric current.