Electricity Unit Quiz

Which statement best describes a difference between static electricity and current electricity?

• Static electricity is human-harnessed energy while current electricity is natural energy.

• Static electricity is created energy while current electricity is spent energy.

• Static electricity is natural energy while current electricity is human-harnessed energy.

• Static electricity is positive energy while current electricity is negative energy.

Thomas created the circuit pictured below using a battery, a switch, and a wire connected to a light bulb. The light is not coming on. What is most likely the reason the bulb is not lit?

• The battery is not connected correctly.

• The bulb is broken.

• The circuit is open.

• The wire is not conducting electricity.

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In a circuit, what is the purpose of the switch?

• to control the brightness of the light bulb

• to control the flow of energy through the circuit

• to prevent energy from going the wrong direction

• to prevent extra energy from building up in the circuit.

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Which of the following is true about electrical circuits?

• They have to involve a wire made of insulating material.

• Every circuit needs to have a switch that can stop and start the flow of electricity.

• An open circuit works as long as the wire connects a bulb to the positive end of a battery.

• Electricity can only flow if the circuit is a closed loop.

What type of charge does this balloon have?

• Positive

• Negative

• Neutral

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What type of charge does this balloon have?

• Positve

• Negative

• Neutral

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What type of charge does this balloon have?

• Positive

• Negative

• Neutral

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What will happen if these balloons if they are placed together?

• They will attract

• They will repel

• They will neither attract nor repel

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What will happen if these balloons if they are placed together?

• They will attract

• They will repel

• They will neither attract nor repel

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What can cause you to feel a shock when you touch a metal doorknob after walking across carpet?

• Magnetic attraction

• Static electricity

• Current electricity

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