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WorksheetsPractice for Motion and Stability
Total questions: 28
Worksheet time: 29mins
Name
Class
Date
1.
Electrons have _________charge.
a)
a negative
b)
a positive
c)
no
2.
Protons have____________charge.
a)
a negative
b)
a positive
c)
no
3.
Neutrons have___________charge.
a)
negative
b)
positive
c)
no
4.
An atom that has more electrons than protons will have…
a)
no charge
b)
a positive charge
c)
a negative charge
d)
a magnetic field
5.
A negative charge will _____ another negative charge.
a)
attract
b)
repel
c)
create
d)
gain
6.
An atom can become negatively charged when it…
a)
gains electrons
b)
loses electrons
c)
gains protons
d)
loses neutrons
7.
Two oppositely charged particles approach each other. As they get closer the force between them....
a)
increase
b)
decrease
c)
stays the same
8.
Electric fields and forces get ______________ as distance grows larger.
a)
stronger
b)
weaker
c)
neutralized
9.
Magnitude is the ________________ of the force.
a)
size
b)
strength
c)
distance
10.
How is Earth's magnetic field similar to that of a magnet?
a)
It is hundreds of miles long
b)
It has north and south poles
c)
It is made in Earth's core
d)
It is shaped like a horseshoe
11.
A magnet cannot not move which of the following objects?
a)
a paper clip
b)
a nail
c)
a toothpick
d)
a staple
12.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
13.
Magnets cannot be made from
a)
cobalt
b)
nickel
c)
iron and steel
d)
wood
14.
If two magnets come together what is it called?
a)
Repel
b)
Force
c)
Attract
d)
None of the Above
15.
If 2 magnets push away from each other what is it called?
a)
Attract
b)
Iron
c)
Repel
d)
None of the above
16.
The closer the charges, the ___________ the force between them
a)
closer
b)
further
c)
stronger
d)
weaker
17.
What types of charges repel?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Neutral and Neutral
18.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
19.
Ms W rubbed two balloons with a piece of wool. (Now both balloons have a static charge) 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.
20.
After you rub a balloon on your hair, what charge does the balloon have?
a)
Positive
b)
Negative
c)
Neutral
21.
An atom with 5 protons and 7 electrons is...
a)
Negatively Charged by 2
b)
Positively Charged by 2
c)
Neutrally Charged
d)
Positively charged by 1
22.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
23.
Where is Earth's magnetic field strongest?
a)
Along the outside lines
b)
Along the inside lines on either side
c)
Where the lines are close together at the poles
d)
In the space outside of the lines
24.
If you place the North pole of a magnet next to the South pole of another magnet, they will:
a)
Attract
b)
Repel
c)
Do nothing
d)
Shatter
25.
What is electricity?
a)
the flow of protons
b)
the loss of protons
c)
the loss of neutrons
d)
the flow of electrons
26.
When electricity spreads out in all directions it is called...
a)
a gravitational field
b)
a magnetic field
c)
an electric field
d)
an electric current
27.
A neutral balloon is rubbed with a piece of wool cloth. As a result the balloon has a negative static charge. Which of the following statements best explains why the balloon has a negative charge?
a)
the balloon is a conductor
b)
the balloon is an insulator
c)
the balloon transfers charges to the cloth
d)
the balloon receives electrons from the cloth
28.
The three main types of forces are...
a)
electric, magnetic and gravitational
b)
electric, plasma and gravitational
c)
atomic, magnetic and gravitational
d)
electric, magnetic and magnitude
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