Nat Geo Electricity Chapter 7

A circuit has a switch, a wire, a battery, and a bulb. When the switch is flipped, the light turns on. Which type of energy is this?

• sound

• light

• electrical

• heat

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Hailey rubbed an air filled balloon on her hair. She then rubbed the balloon on the wall and it stuck to it. Why did the balloon stick to the wall?

• magnetic force

• static electricity

• current electricity

• increased gravity

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If three light bulbs are connected in a series circuit and one bulb burns out, what happens to the other two bulbs?

• The other two bulbs would still light up.

• The other two bulbs would light up but they would be dimmer.

• The other two bulbs would light up and be even brighter.

• The other two bulbs would not light up.

Which material would be the best conductor of electricity?

• copper

• glass

• rubber

• plastic

What is the most likely reason that the light bulb in the circuit shown won't light up?

• This circuit shown is a series circuit.

• The circuit shown is a parallel circuit.

• The circuit is closed.

• The circuit is open.

Which statement is true about electromagnets?

• Electromagnets create static electricity.

• Electromagnets use insulators to strengthen the magnetic field.

• Electromagnets use electricity to create a magnetic field.

• Electromagnets use magnets to make electricity.

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How is a parallel circuit different from a series circuit?

• In a parallel circuit, if a lightbulb burns out, the other bulbs will still light up.

• In a parallel circuit, if one bulb burns out, all the bulbs will burn out.

• In a parallel circuit, static electricity is used to conduct the electrical circuit.

• In a parallel circuit, an electromagnet powers the light bulb instead of a battery.

Draw a Series Circuit, you must include a battery, wires, and a light bulb in your drawing.