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Electricity Basics

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.
What is electricity?
a)
A zap from friction
b)
A thunderbolt thrown by Zeus
c)
Moving electrons
d)
Energy from the air
2.
Which on the following is NOT an example of an insulator.
a)
Rubber
b)
Glass
c)
Penny 
d)
Wood
3.
The flow of electric charges is 
a)
voltage
b)
current 
c)
resistance
d)
electricity 
4.
A closed path that electric current flows is a
a)
circuit
b)
wire
c)
track
d)
hallway
5.
What is the unit of measurement for current?
a)
Amperes
b)
Ohm's
c)
Volts
d)
Watts
6.

What is lightning?

a)

the flow of electric charges

b)

the build-up of an electrical charge on clouds

c)

the opposition of current flow.

d)

Something that happens when Zeus gets mad!

7.
A material in which electrons are able to move easily is called
a)
Insulators
b)
Conductors
8.
The measure of resistance in an electrical circuit is
a)
amps
b)
volts
c)
watts
d)
ohms
9.
What is a battery?
a)
A metal tube filled with energy
b)
A can of chemicals that produces free-flowing electrons
c)
A bottle of lightening
d)
An electrical storage unit
10.
How does a generator make electricity?
a)
By burning coal
b)
By shaking batteries
c)
By spinning a magnet inside a coil of wire
11.

Electric current that reverses its direction of flow in a regular pattern. This is the type of electricity from the wall socket in your home.

a)

Direct current

b)

Varying current

c)

Alternating current

d)

Flow current

12.

Electric current that flows in only one direction only. This is the type of electricity in batteries.

a)

Direct current

b)

Single flow current

c)

Chemical reaction current

d)

Varying current

13.
Which circuit is pictured below?
a)
Parallel
b)
Incomplete
c)
Series
14.
In a series circuit, if one receiver is disconnected, nothing will work.
a)
true
b)
false
15.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
16.

As you continue to add lightbulbs in series, what happens?

a)

The bulbs get brighter

b)

The bulbs get dimmer

c)

The bulbs remain the same brightness

d)

The bulbs explode and shards of glass get everywhere

17.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
18.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
19.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
d)
It depends
20.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
21.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
22.

The electricity in our house is

a)

AC

b)

DC

c)

BC

d)

AD

23.

AC stands for

a)

Air-condition

b)

Direct Current

c)

Alternating Current

d)

Alternating Voltage

24.
Electric current that reverses its direction of flow in a regular pattern  
a)
Voltage 
b)
Direct Current 
c)
Alternating Current 
d)
Parallel Circuit 
25.

An electric current flowing in one direction only

a)

voltage

b)

parallel current

c)

direct current

d)

electric current

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