NEW
Font size
S
M
L
XL
WorksheetsElectricity
Total questions: 22
Worksheet time: 6hrs 30mins
Name
Class
Date
1.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
2.
The plastic around an electrical wire is
a)
conductor
b)
insulator
c)
decoration
3.
Which of the following does not conduct electricity?
a)
gloves
b)
penny
c)
paper clip
d)
key
4.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
5.
A material in which electrons are not able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
6.
Electricity is the flow of ______.
a)
electrons
b)
protons
c)
neutrons
d)
atoms
7.
Metals such as copper, iron, gold, and silver are ...
a)
conductors
b)
brittle
c)
insulators
d)
resistors
8.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
9.
Ms Jo Jo rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?
a)
The balloons will repel each other.
b)
The balloons will attract each other.
c)
The balloons will become positively (+) charged.
d)
The balloons will pop.
10.
When socks get stuck to towels in your dryer, this is an example of________________
a)
current electricity
b)
static electricity
11.
What types of charges repel?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
12.
The accumulation of excess electric charge on an object is called
a)
Static electricity
b)
Electric discharge
c)
Resistance
d)
Circuit
13.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
14.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
15.
What happens when you touch a metal doorknob after rubbing your shoes on the carpet?
a)
The doorknob has a burst of electric current
b)
Millions of electrons flow from your finger into the doorknob
c)
The doorknob sends millions of electrons into your finger
d)
our finger becomes negatively charged
16.
Which of the following is caused by static electricity?
a)
a stove getting hot when it is turned on
b)
a magnet being attracted to a refrigerator
c)
a lightning strike during a storm
d)
a light bulb coming on when a switch is turned on
17.
What happens when two north poles of magnets are placed together?
a)
They repel.
b)
They attract.
c)
They cancel each other out.
d)
The strength of the magnet is doubled.
18.
What must happen for an electromagnet to have a magnetic field?
a)
It must be heated.
b)
It has to be touching another magnet.
c)
It must be lined up with Earth's magnetic field.
d)
It must be connected to an electrical source such as a battery.
19.
How is Earth's magnetic field similar to that of a magnet?
a)
It has North and South poles.
b)
It is hundreds of miles long.
c)
It is made in Earth's core.
d)
It is shaped like a horseshoe.
20.
What characteristics do magnetic objects have?
a)
They can give a "shock" when you touch them.
b)
They can push or pull objects they are not touching.
c)
They are always black and cold to touch.
d)
They fall faster than other objects when you drop them.
21.
Why is a magnet not attracted to a penny?
a)
A penny is too small.
b)
A penny is an insulator.
c)
A penny is made of copper.
d)
A penny is too heavy.
22.
What charge does an neutron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
Reset
