Electric Circuit Components

The plus sign on a battery shows which terminal?

• Positive

• Negative

Will the electric current flow in this picture?

• Yes

• No

This is the symbol for a _____?

• switch

• light 

• battery

• wires

This is the symbol for a _____?

• Lamp

• Water wheel

• Loudspeaker

• Motor

Why electrical wiring usually are covered with a layer of plastic? Choose more than one correct answer.

• So we won't get electric shock when touch it

• To help electricity flow along the wire

• To insulate electric current

• To add more energy

Tags

NGSS.MS-ETS1-3

Which material can connect the gap in the wire?

Choose two correct answer.

• 
• 
• 
• 

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-3

It is a component of electric circuit that provides electrical energy .

• battery

• light bulb

• wire

• switch

Which will light a bulb?

• A battery and a paper clip

• A battery and a wire

• A paper clip and a wire

• A switch and a wire

Tags

NGSS.3-5-ETS1-2

NGSS.4-PS3-2

What type of circuit is shown in the picture?

• open circuit

• closed circuit

• light bulb

• wire

Will the electric current flow in this picture?

• Yes

• No

Tags

NGSS.MS-PS2-3