What Is 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

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.

Look at the diagram. Why did the bulb not light up?

• The bulb was fused.

• The battery had not enough electric current to light up the bulb.

• The switch was opened and prevented electric current from flowing through the circuit.

What supplies the energy in a simple circuit?

• wires
• battery
• bulb

A/an ________________ circuit has no breaks and the bulb will light up.

• open
• closed

A/an _____________ circuit has a break and the bulb will not light up.

• closed
• short
• open

If the lights are on, the circuit is

• closed
• open

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

• true
• false

Tags

NGSS.4-PS3-2

Identify the part of the circuit that is labeled 1.

• battery

• wire

• switch

• bulb

Identify the part of a circuit that is labeled 2.

• battery

• wire

• switch

• bulb