Electric Circuits

What makes up an electric circuit?

• Bulb and battery

• Bulb, battery and switch

• Bulb, battery and wire

Why is a battery important in an electrical circuit?

• As a source of energy.

• As a path for electricity to flow through.

• As a connector to connect all parts of a circuit.

Why must parts of a circuit be properly connected before the bulb can light up?

• To make you angry.

• To ensure that the battery can produce light.

• To ensure that electric current can flow through the closed circuit.

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What is a conductor?

•  A material that allows electricity to flow through it.  The circuit is complete. 
• A material that does not allow electricity to flow through.  It stops the flow of electricity.
• A light switch.

An example of an insulator is?

• metal
• plastic
• brass
• aluminum

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An example of a conductor is?

• metal paperclip

• glass marble

• wooden spoon

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If you replace the paper clip with a plastic spoon, what happens?

• The bulb doesn't light

• The bulb is happy.

• The wires get hot

What is a switch's function in a circuit?

• to make the current hotter or colder

• turn on and off the flow of current

• to make the circuit laugh

If the electric circuit is CLOSED, the switch is _______. 

• ON
• OFF

If the electric circuit is OPEN, the switch is ____.

• ON
• OFF