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In order for electricity to flow through a circuit, the circuit must be a closed, complete:

• Path, so that the electricity can make a complete circle.

• Donut, because circuits get hungry.

• Wire, made out of rubber.

• Solar panel, because circuits only work with the sun.

The circuit on the left is not complete (the light is off) because:

• the switch is closed

• the switch is open

• the battery is missing

• the battery is in backwards

The circuit on the right is complete (the light is on) because:

• the switch is closed

• the switch is open

• the battery is hot

• the battery is red

How many light bulbs would be ON with this complete circuit?

• 1

• 3

• 2

• 4

How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?

• 1

• 3

• 2

• 0

How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?

• 1

• 3

• 2

• 0

Circuit "A" is broken, because:

• the switch is open

• the switch is closed

• the switch is black

• the switch is not there

Circuit "B" is working (it flows), because:

• the switch is open

• the switch is closed

• the switch is black

• the switch is not there

What type of circuit is shown in the picture?

• Series Circuit

• Broken Circuit

• Parallel Circuit

• Open Circuit

What is missing from this circuit? Why would the light bulbs be off?

• The battery, there is no power for the circuit to work.

• The switch is open, so the circuit is broken.

• The third light bulb, that is needed to complete the circuit.

• The wires are not connected properly.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2