Free Printable Circuit 2

Worksheets

Circuit 2

Total questions: 23

Worksheet time: 16mins

Name

Class

Date

What is a conductor?

A material that allows electricity to flow through it. The circuit is complete.

A material that does not allow electricity to flow through. It stops the flow of electricity.

A light switch.

An example of an insulator is?

metal

plastic

brass

aluminum

An example of a conductor is?

metal paperclip

glass marble

wooden golf tee

The diagram shows a complete circuit but the bulb did not light up. Why?

The plastic spoon is an insulator of electricity and prevented electric current from flowing through the circuit.

The plastic spoon is not connected properly and prevented electric current from flowing through the circuit.

The plastic spoon is a conductor of electricity and prevented electric current from flowing through the circuit.

What is an electric current?

the flow of electricity

electricity moving in only one direction

a switch that gives power

What is a circuit?

an outlet or switch

a path which an electric current flows

a poor conductor

A combination of two or more electric cells is called _____

Electric circuit

Battery

Terminals

None of these

An electric bulb has ____ terminals.

_____ is an electric device which easily closes or opens an electric circuit.

Filament

Electric bulb

Electric switch

Electric cell

10.

Label the circuit

closed circuit

complete circuit

incomplete circuit

working circuit

11.

A light bulb will shine brighter when

An extra light bulb is added to the circuit

An additional battery is added

A smaller battery is used

The switch is open in the circuit

12.

Which of these best completes the circuit?

rubber band

metal nail

leather shoelace

wooden toothpick

13.

A fifth grade class constructed this circuit. Which of these objects most likely made the light glow when connected to points X and Y?

plastic straw

cotton string

aluminum foil

rubber eraser

14.

The electrician in this picture is wearing rubber gloves for protection. The purpose of the rubber gloves is to --

keep the electrician dry

create an electrical circuit

produce electricity

protect the electrician

15.

Which of these substances conducts electricity the best?

wood

brick

copper

plastic

16.

Why won’t the light bulb in the circuit pictured to the right light up?

The wires from the second light bulb are not connected to the battery

The wires are not connected between the light bulbs

The wires are not connected to both sides of the first light bulb

The wires are too long to complete the circuit

17.

Which bulbs will light?

1 and 2

2 and 3

3 and 4

4 and 2

18.

Choose the correct sentence.

This circuit will work because it is an open circuit.

This circuit will work because it is a closed circuit.

This circuit will NOT work because it is an open circuit.

This circuit will NOT work because it is a closed circuit.

19.

Mrs. Rodriguez has a battery, wooden spoon, copper wire, metal paperclip, and a light bulb. Which materials does Mrs. Rodriguez need in order to create a complete circuit?

battery, wooden spoon, copper wire, and light bulb

battery, metal paperclip, copper wire, and light bulb

metal paperclip, copper wire, and light bulb

battery, wooden spoon, and light bulb

20.

What is a switch's function in a circuit?

to make the current hotter or colder

turn on and off the flow of current

the pathway that current flows

to add more power to the circuit

21.

What particles make up electricity?

Protons

Neutrons

Electrons

Atoms

22.

What unit is current measured in?

Ohms (Ω)

Amps (A)

Volts (V)

Watts (W)

23.

What unit is voltage measured in?