NEW
Font size
S
M
L
XL
WorksheetsUnit 4: Forces
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Magnetic force is a _____ force.
a)
Contact
b)
Non-contact
c)
Balanced
d)
Unbalanced
2.
Gravity is a _____ force.
a)
Contact
b)
Non-contact
c)
Balanced
d)
Unbalanced
3.
Friction is a _____ force.
a)
Contact
b)
Non-contact
c)
Balanced
d)
Unbalanced
4.
Speeding up or slowing down is an example of forces that are ______.
a)
balanced
b)
unbalanced
c)
contact
d)
non-contact
5.
When you are sitting in a chair the forces acting on you are ______.
a)
balanced
b)
unbalanced
6.
If a car is moving at a constant speed the forces acting on it are ______.
a)
balanced
b)
unbalanced
7.
A book is sitting on a desk. The book exerts a force of 10 N on a desk and the desk exerts a force of 20 N on the book. The forces are _______.
a)
balanced
b)
unbalanced
8.
If you traveled to the moon, this property would stay the same.
a)
weight
b)
mass
c)
both would stay the same
d)
neither would stay the same
9.
An astronaut weighs 125 lbs on the Earth and has a mass of 56.7 kg. What would change if this astronaut travelled to the moon?
a)
weight would change
b)
mass would change
c)
nothing would change
d)
both would change
10.
What will happen to a car if the force of gravity and friction are balanced?
a)
speed up
b)
slow down
c)
travel at a constant speed
d)
nothing would happen
11.
This causes the moon to orbit the earth.
a)
matter
b)
friction
c)
gravity
12.
What is gravity affected by?
a)
nothing affects gravity
b)
mass and weight
c)
distance and amount of friction
d)
mass and distance
13.
When forces on an object in motion are balanced the object will _______.
a)
speed up
b)
slow down
c)
travel at a constant speed
d)
change direction
14.
Gravity causes objects to be ______ down.
a)
pushed
b)
pulled
15.
What effect would increasing the mass of two objects have on the gravitational attraction between them?
a)
gravitational attraction increases
b)
gravitational attraction decreases
c)
gravitational attraction stays the same
d)
gravitational attraction increases then decreases
16.
What effect would decreasing the distance between objects have on their gravitational attraction to each other?
a)
gravitational attraction increases
b)
gravitational attraction decreases
c)
gravitational attraction stays the same
d)
gravitational attraction increases then decreases
17.
Which of these materials would create an electromagnet?
a)
insulated wire, plastic rod, light bulb
b)
insulated wire, iron rod, battery
c)
bare wire, plastic rod, light bulb
d)
bare wire, iron rod, battery
18.
Magnets that are arranged like this will _______.
a)
move away from each other (repel)
b)
move towards each other (attract)
19.
These magnets will _______.
a)
move away from each other (repel)
b)
move toward each other (attract)
20.
Static electricity occurs when this passes from one object to another object.
a)
electrons
b)
protons
c)
neutrons
d)
quarks
21.
Protons have a _______ charge.
a)
positive
b)
negative
c)
neutral
d)
both positive and negative
22.
Electrons have a _____ charge.
a)
Positive
b)
Negative
c)
Neutral
d)
Positive and Negative
23.
Why did the balloon attract the pepper in the static electricity lab?
a)
Their charges were the same.
b)
Their charges were different.
c)
They did not have charges.
d)
They had unicorn magic.
24.
Why are protons and electrons attracted to each other?
a)
They have the same charge (+ +)
b)
They have different charges (+ -)
c)
They don't have charges
d)
They used eHarmony
25.
What travels through an electromagnet to create a magnetic field?
a)
protons
b)
electrons
c)
neutrons
d)
protons and electrons
Reset
