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Gravity

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
2.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
3.
Why can astronauts jump and float a little on the Moon?
a)
Because the Moon's gravity is NOT that STRONG.
b)
Because the Moon's gravity is VERY STRONG. 
4.
What is mass?
a)
How much MATTER makes up an object.
b)
How much GRAVITY is pulling an object.
5.
Where would you weight more, on Earth or on the Moon?
a)
Earth
b)
Moon
6.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
7.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
8.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
9.
The law of universal gravitation is credited to whom?
a)
Einstein
b)
Galileo
c)
Darwin
d)
Newton
10.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
11.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
12.
Which System has the greater gravitational pull between the two objects?
a)
System 1
b)
System 2
c)
Same: there is no gravitational attraction between the two objects
13.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
14.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
15.
Which system has the greater gravitational attraction between the two objects (if any)?
a)
System A
b)
System B
c)
Same gravitational attraction fro System A and System B
16.

True or False?

An astronaut on a space walk outside the ISS does not have a weight.

a)

TRUE

b)

FALSE

17.

What is mass?

a)

The amount of matter in a body

b)

The amount of water in a body

c)

The amount of fat in a body

d)

The amount of jellybeans in a body

18.

What is weight?

a)

The magnetic force acting on the body

b)

The electric force acting on the body

c)

The gravity acting on the body

d)

The gravitational force acting on the body

19.

What is the approximate value of gravitational field strength on Earth?

a)

10 N/kg

b)

20 N/kg

c)

100 N/kg

d)

1000 N/kg

20.

What do you use to measure weight?

a)

Spring Balance

b)

Measuring Tape

c)

Beam Balance

d)

Ruler

21.

What is the Equation for Weight?

a)

Weight = Mass x Gravitational Field Strength

b)

Weight = Mass / Gravitational Field Strength

c)

Weight = Gravitational Field Strength / Mass

22.

Which planet has the strongest gravity?

a)

Earth

b)

Jupiter

c)

Mars

23.

What do we call the force of gravity on an object?

a)

Weight

b)

Mass

c)

Speed

d)

Acceleration

24.

What natural phenomena occurs on Earth due to the gravity of the Moon?

a)

Earthquakes

b)

Hurricanes

c)

Volcanic Eruptions

d)

Ocean Tides

25.

The gravity on mars is much lower than it is here on Earth. This is because the mass is __________than Earth.

a)

less

b)

more

c)

the same