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Explain Gravity

Total questions: 26

Worksheet time: 14mins

Name
Class
Date
1.

The attractive force between objects is called....

a)

force

b)

Gravity

c)

inertia

d)

motion

2.

The ............ of 2 objects and their distance from each other determine the gravitational force between them

a)

GRAVITY

b)

MASS

c)

INERTIA

3.

WHAT 2 FACTORS affect the force of gravity?

a)

Mass and inertia

b)

Mass and Distance

c)

Distance and Inertia

d)

Mass and Gravity

4.

As the mass of interacting objects increases, gravity.....

a)

increases

b)

decreases

5.

As the mass of interacting objects decreases, gravity.....

a)

increases

b)

decreases

6.

As the distance of interacting objects increases, gravity.....

a)

increases

b)

decreases

7.

The greater the pull of gravity on an object, the greater the ............. of that object.

a)

mass

b)

weight

c)

gravity

8.
Complete the following statement: The farther away two planets are the _______ the gravitational force between them.
a)
more
b)
same
c)
dosen't matter
d)
less
9.

What prevents planets from drifting off into space and keeps it in the planets in our Solar System?

a)

Gravity

b)

Weight

c)

Friction

d)

Forward Motion

10.
TRUE or FALSE: The larger a body (planet), the greater its gravitational pull.
a)
True 
b)
False
11.
Which scientist helped explain that gravity is why all the planets orbit the Sun?
a)
Kepler
b)
Galileo
c)
Copernicus
d)
Newton
12.
Which of the following will change with different gravitational forces?
a)
mass
b)
amount of matter in an object
c)
weight
d)
kilograms
13.
A measure of gravitational force on an object.
a)
gravity
b)
weight
c)
mass
d)
kilograms
14.
Which of the following will not change in different gravitational fields?
a)
wieght
b)
force
c)
mass
d)
pounds
15.
What do we call the path of an object when it goes around another object?
a)
Orbit
b)
Free Fall
c)
Projectile Motion
d)
Terminal Velocity
16.
Gravity attracts all objects towards one another. 
a)
True
b)
False 
17.

Factors that influence the strength of gravity between two objects are their mass and their _______ apart.

a)

Newton

b)

Distance

c)

Gravity

d)

Freefall

18.

The SI unit for measure of weight is the _______.

a)

Newton

b)

Distance

c)

Gravity

d)

Mass

19.

_______ is the measure of the force of gravity pulling on an object.

a)

Weight

b)

Mass

20.

Gravity has traditionally been defined as a force of attraction between things that have ______.

a)

Weight

b)

Mass

21.

In an investigation, Ross drops a basketball from a ladder and watches it fall to the ground. What is the force that pulls the basketball to the ground?

a)

Acceleration

b)

Distance

c)

Gravity

d)

Mass

22.

Why does the Moon orbit Earth?

a)

There is a chemical attraction between the Earth and the Moon.

b)

There is a gravitation attraction between the Earth and the Moon.

c)

There is a magnetic attraction between the Earth and the Moon.

d)

There is mechanical attraction between the Earth and the Moon.

23.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
24.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
25.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
26.
Without gravity we would________. 
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know