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Worksheets

Circuits/Electricity Review

Total questions: 50

Worksheet time: 1hrs 9mins

Name
Class
Date
1.

The purpose of a switch is to?

a)

Start and stop electric current

b)

Make a motor move

c)

Turn on a light

d)

Heat up wires

2.

The purpose of wires are to?

a)

Turn a switch on

b)

Turn off a light

c)

Carry electric current to different parts of the circuit

d)

Make a motor move

3.

The plus sign on a battery shows which terminal?

a)

Positive

b)

Negative

4.

The minus sign on a battery shows which terminal?

a)

Positive

b)

Negative

5.

If one part of the circuit is broken what will happen?

a)

The electricity will continue to flow

b)

The electricity will stop flowing

c)

The electricity will move faster

d)

The electricity will move slower

6.

The 3 components needed to complete a light circuit are? (Choose 3)

a)

Motor

b)

Light bulb

c)

Switch

d)

Wires

e)

Battery

7.

In a circuit the energy flows from which terminal to the rest of the component?

a)

Negative

b)

Positive

8.

Which circuit shown will produce light when the switch is closed?

a)
b)
c)
d)
9.

A student constructs the circuit shown for a science demonstration. With the switches in these positions, which lights are on?

a)

All the lights

b)

1 and 2 only

c)

3 and 4 only

d)

none of the lights

10.

The circuits below are an example of ...

a)

Series circuits

b)

Simple circuits

c)

Parallel circuits

d)

Insulated circuits

11.

The pathway through which electrical current flows.

(El camino a través de la cual fluye la corriente eléctrica.)

a)

Electric Circuit

(Circuito eléctrico )

b)

Conductor

(Conductor)

c)

Insulator

(Aislante)

d)

Flow

(Fluir)

12.

Material that allows heat or electrical energy to easily flow through it.

(Material que permite que la corriente eléctrica fluya fácilmente.)

a)

Electric Circuit

(Circuito eléctrico )

b)

Conductor

(Conductor)

c)

Insulator

(Aislante)

d)

Flow

(Fluir)

13.

Material through which heat or electricity does not easily flow.

(Material a través de la cual el calor o la electricidad no fluyen fácilmente.)

a)

Electric Circuit

(Circuito eléctrico )

b)

Conductor

(Conductor)

c)

Insulator

(Aislante)

d)

Flow

(Fluir)

14.

The flow of electricity around a circuit.

(El flujo de electricidad en un circuito.)

a)

Electric Circuit

(Circuito eléctrico )

b)

Conductor

(Conductor)

c)

Insulator

(Aislante)

d)

Electric Current

(Corriente eléctrica)

15.

Which of the following items can be used to conduct electricity?

(¿Cuál de los siguientes elementos puede usarse para conducir electricidad?)

a)
b)
c)
d)
16.

Portable source of stored chemical energy

a)

Battery

b)

Light Bulb

c)

Motor

d)

Component

17.

A complete pathway for the flow of electric current.

a)

Parallel Circuit

b)

Closed Circuit

c)

Series Circuit

d)

Circuit

18.

A circuit that has 2 or more pathways for current to flow to multiply components at the same time.

a)

Parallel Circuit

b)

Closed Circuit

c)

Series Circuit

d)

Circuit

19.

Series Circuit

a)

A circuit that has 2 or more pathways for current to flow to multiply components at the same time

b)

A complete pathway for the flow of electric current

c)

A circuit that has only 1 pathway for currents to flow to multiple components

d)

A pathway for the flow of electric current

20.

Energy that flows through circuits and can produce heat, light, motion, and sound

a)

Wire

b)

Electricity

c)

Parallel Circuit

d)

Circuit

21.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
22.
Identify the conductor below.
a)
cloth rag
b)
plastic bottle
c)
gold ring
23.
Identify the insulator below.
a)
aluminum foil
b)
paperclip
c)
rubber eraser
24.
As the resistance in a circuit increases, the electric current __________.
a)
increases
b)
decreases
c)
stays the same
25.
Electricity is the flow of _________.
a)
protons
b)
neutrons
c)
electrons
26.
What type of circuit is pictured?
a)
series
b)
Parallel
27.
What type of circuit is pictured?
a)
series
b)
parallel
28.

is the opposition to the flow of charges in a material.

a)

Resistance

b)

Voltage

c)

Time

d)

Current

29.

What would happen if in a circuit the voltage is increase?

a)

The time would increase

b)

The current would increase

c)

The current would decrease

d)

The current would stay the same

30.

What would happen if in a circuit, the resistance increases but the voltage stays the same?

a)

The current would decrease

b)

The current would increase

c)

The voltage would decrease

d)

The voltage would increase

31.

In order to electrical current to flow through a wire the wire must be connected in a ____________ that includes a source of electrical current.

a)

averager matter

b)

Complete loop

c)

In an incomplete loop

d)

Interrupted Circuit

32.

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

a)

To make it look pretty

b)

To help electricity flow along the wire

c)

To make it safe

d)

To add more energy

33.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
34.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
35.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
36.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
37.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
38.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
39.
Current times Resistance equals
 (I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
40.

Voltage divided by Resistance

(V / R)

a)

Current

b)

Power

c)

Ohms

d)

Watts

41.
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
a)
12 volts
b)
24 volts
c)
1.3333
d)
48 volts
42.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
43.
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
a)
10 volts
b)
1 volt
c)
48 volts
d)
5 volts
44.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
45.
What is this symbol?
a)
resistor
b)
switch
c)
battery
d)
bulb
46.

An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.

a)

60Ω

b)

120Ω

c)

180Ω

d)

240Ω

47.

A circuit contains a 1.5 volt battery and a lamp with a resistance of 3 ohms. Calculate the current.

a)

0.5A

b)

1A

c)

1.5A

d)

2A

48.

What components are in this schematic diagram?

a)

battery, switch, bulb, wire

b)

switch, switch, bulb

c)

battery, switch, bulb, motor

49.

What is the name of this component?

a)

fuse

b)

cell

c)

wire

d)

bell

50.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor