Flow of Electricity Part 1

When electricity flows from a wall outlet, through a wire, and gives power to a lamp, the electricity is flowing through a –

• circuit

• tunnel

• sound wave

• magnetic device

To demonstrate the flow of electricity, Mrs. Garcia-Abu, the science teacher, handed each student a battery, 2 wires, and a red light bulb. What should each student do next?

• Attach the wires to the battery.

• Wait for further instructions.

• Put the bulb on top of the battery.

• Attach one wire to the bulb and one to the battery.

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The picture below is an example of a –

• magnet

• circuit

• solar device

• simple machine

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Look at the 4 devices below.

Which device is NOT powered by electricity?

• Device A

• Device B

• Device C

• Device D

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Electricity can produce –

• light

• life

• cells

• offspring

Which of the following cannot be produced by electricity?

• heat

• light

• sound

• seeds

Marianne plugged a stereo into a wall socket. She then turned on the stereo and music came from the speakers. This happened because –

• the Sun gave power to the stereo

• electric current flowed through the wall socket to the stereo to give it power

• Marianne sang from behind the stereo

• magnetic energy produced sounds from inside the stereo

Which of the following diagrams shows the battery attached to the light bulb correctly so that the bulb would produce light?

• 
• 
• 
• 

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The following diagram shows a light bulb connected to a battery by 2 wires.

Which part of the diagram represents the source of electricity?

• R

• S

• T

• U

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What will be produced by the device?

• Light and heat

• Light and water

• Heat and oxygen

• Fire and light

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