Electric circuit

What is conductor?

• that does't let the electric flow in it

• that let the electric flow in it

What is insulator?

• that does't let the electric flow in it

• that let the electric flow in it

Why electrical wiring usually are covered with a layer of plastic?

• To make it look pretty

• To help electricity flow along the wire

• To make it safe

• To add more energy

Tags

NGSS.4-PS3-2

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.

What makes up an electric circuit?

• Bulb and battery

• Bulb, battery and switch

• Bulb, battery and wire

Tags

NGSS.3-5-ETS1-1

Two batteries in a circuit make the lights in the circuit brighter than one battery.

• True

• False

If the lights are on, the circuit is

• closed

• open

If the lights are off, the circuit is

• closed

• open

A complete, connected circuit:

• Closed Circuit

• Open Circuit

An incomplete or broken circuit.

• Open Circuit

• Closed Circuit