7th Grade Electricity & Circuits

Pick the correct sentence.

• This circuit will work because it is a closed circuit.

• Energy will freely flow in this circuit.

• This circuit will not work because there is no energy source.

• This circuit will not work because there is no switch.

This is the symbol for a _____?

• switch

• light

• battery

• wires

what is this symbol for?

• light bulb

• switch

• battery

• resistor

Tags

NGSS.MS-PS2-3

This type of circuit only has one path for current to flow.

• series

• parallel

• combination

• split

If you have a 3 bulb series circuit, what will happen if one of your light bulbs goes out?

• Bulbs get brighter

• Bulbs get dimmer

• Bulbs go out

• Nothing happens

Why are homes not wired in series circuits?

• The house will burn down

• If you turn off one appliance, the rest will turn off.

• Homes are wired in series circuits.

In a parallel circuit if one of the light bulbs burns out the rest _________.

• stop the flow of electricity

• can still light up

• will go out

• of the light bulbs burn out also

What happens to the brightness of the light bulbs in a series circuit when you add more lights.

• Each bulb gets dimmer

• Each bulb remains the same

• Half of the bulbs get dimmer

• Each bulb gets brighter

What part of a circuit is this object?

• power source

• energy receiver

• electrical conductor

• switch

This is a symbol for_________?

• Wire

• Battery

• Buzzer

• Fuse