Electric Circuits

What is a circuit?

• A constant flow of electricity 
• A path that a current can flow along

Erik built a circuit. His light bulb did not light up. Which of these could NOT be the cause?

• Open switch

• dead battery

• closed circuit

• loose connection

Lisa turned off a switch. What does turning off a switch do?

• Open a circuit, stopping electricity from flowing.

• Close a circuit, allowing electricity to flow.

• Open a circuit, allowing electricity to flow.

• Close a circuit, stopping

  electricity from flowing.

We need a _____ circuit for the light bulb to BE ON. 

• closed
• open

Levi is wanting to light a bulb.  What does he need to get the bulb to light?

• A battery and a string

• A battery and a wire

• A paper clip and a wire

• A switch and a wire

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

• The bulb doesn't light
• The bulb is dimmer
• The wires get hot
• There is no change

A series circuit has ____ path(s) that the electric current can take. 

• One
• Two 
• Three 
• Four

Which statement is true?

• The light bulb will light up because the  circuit is complete.
• The light bulb will light up because the  circuit is broken.
• The light bulb will not light up because the  circuit is complete.
• The light bulb will not light up because the  circuit is broken.

Tags

NGSS.MS-ETS1-1

What would best complete this circuit?

• A wire

• A switch

• A battery

• A light bulb

Tags

NGSS.MS-ETS1-2

What kind of circuit is this?

• series
• parallel