WorksheetsUnit 2 Lesson 1
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
__________ is the amount of matter in an object. It does not change regardless of location
a)
Weight
b)
Mass
2.
______________ is how heavy an object is. It is determined by the pull of gravity
a)
Weight
b)
Mass
3.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
4.
Without gravity we would________.
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
5.
A child has a mass of 30 Kg on Earth. If the gravity on Moon is one sixth that of the Earth what is the mass of the child on Moon?
a)
30 Kg
b)
180 Kg
c)
5 Kg
d)
0 Kg
6.
The scientific unit of weight is
a)
Kg
b)
N
c)
pounds
d)
Kgm/s
7.
The scientific unit for mass is
a)
Kg
b)
N
c)
pounds
d)
ounces
8.
If an object mass =30 Kg on the Earth, what would be it's weight on Earth?
a)
30 N
b)
300 kg
c)
3000N
d)
300 N
9.
The force of gravity on Jupiter is a little more than 2 times the gravitational force on Earth. If an object has a mass of 50 kg and a weight of 490 N on Earth, what would be the object's approximate mass and weight on Jupiter?
a)
50 kg and 490 N
b)
100 kg and 490 N
c)
50 kg and 980 N
d)
100 kg and 980 N
10.
What is missing?
a)
D
b)
N
c)
W
d)
L
11.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
12.
What best describes the mass and weight of a person as they move around the universe?
a)
mass and weight changes
b)
Mass and weight stays constant
c)
weight remains constant, mass changes
d)
Mass stays constant, weight changes
13.
What kind of magnet can be turned on and off?
a)
refrigerator magnet
b)
electromagnet
c)
magnetite
d)
iron
14.
If you wrap more coils around an electromagnet, it will become
a)
brighter
b)
stronger
c)
weaker
d)
invisible
15.
What is an electromagnet?
a)
a temporary magnet made from current carrying wire around a magnetic metal core.
b)
a permanent magnet with a north and south pole
16.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
17.
How are electromagnets different from magnets?
a)
magnets can be turned on/off
b)
you can turn an electromagnet on/off
c)
magnets are more powerful
d)
magnets have a North and South pole
18.
Surrounding every magnet is a __________ __________.
a)
magnetic field
b)
electrical current
c)
another magnet
19.
While electric current is flowing through a wire, what surrounds the wire?
a)
a magnetic field
b)
a glowing light
c)
neutrons
d)
protons
20.
Electric bells is a life application of (a)
21.
Nuclear force is used in ..........
a)
Electric bells
b)
Electric motor
c)
Generating electricity
d)
Electric generator
22.
The closer you are to the center of the earth :
a)
The more mass you have
b)
The more weight you have
c)
The less mass you have
d)
The less weight you have
23.
Gravity's unit is :
a)
Newton
b)
m/s
c)
m/s^2
d)
Kg
24.
What is the definition of "weight"?
a)
measure of the force of gravity on your body
b)
the time it takes to get on a ride
c)
the amount of matter in an object
d)
the size of an object
25.
The weight of an object _________ as it moves away from the center of Earth.
a)
increases
b)
stays the same
c)
triples
d)
decreases
100 %
