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ess1-2 3/15/24

Total questions: 201

Worksheet time: 3hrs 5mins

Name
Class
Date
1.
Is weight AFFECTED by gravity?
a)
YES, depending on the force of gravity is how much you weight.
b)
NO, it is not related.
2.
What is mass?
a)
How much MATTER makes up an object.
b)
How much GRAVITY is pulling an object.
3.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
4.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
5.
Without gravity we would________. 
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
6.
Why a ball falls to the ground?
a)
Earth's force of gravity is GREATER than the ball's, so the ball gets attracted to the ground. 
b)
Earth's force of gravity is LESS than the ball's, so the ball gets attracted to the ground. 
7.
Which has a STRONGER force of gravity, Earth or the Moon?
a)
Earth
b)
Moon
8.
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. 
9.
What is mass?
a)
How much MATTER makes up an object.
b)
How much GRAVITY is pulling an object.
10.
Is weight AFFECTED by gravity?
a)
YES, depending on the force of gravity is how much you weight.
b)
NO, it is not related.
11.
Where would you have more mass, on Earth or on the Moon?
a)
Earth
b)
Moon
c)
IS THE SAME, mass DOESN'T CHANGE
d)
In both Planets.
12.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
13.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
14.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
15.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
16.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
17.
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
18.
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
19.

What is a force?

a)

the force of gravity pulling down on an object

b)

a push or pull on an object

c)

the amount of matter in an object

20.
How long does it take the earth to make 1 revolution
a)
One year
b)
One day
c)
One hour
d)
One minute
21.
How long does it take for the earth to make 1 rotation?
a)
One year
b)
One hour
c)
24 hours
d)
One minjute
22.
 _____________________ was an Italian astronomer who developed the telescope, which then confirmed Copernicus’ Heliocentric Theory 
a)
a. Isaac Newton
b)
b. Galileo Galilei 
c)
c. Adam Smith
d)
d. Dennis Diderot
23.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
24.

If a star is 5 light years away from Earth, how long will it take light from this star to reach Earth?

a)

10 light years

b)

5 light years

c)

10 years

d)

5 years

25.

An astronomical unit is based on the distance between what two astronomical bodies?

a)

Earth and moon

b)

Earth and Mars

c)

Earth and sun

d)

sun and moon

26.

How does a light year compare to an AU?

a)

AU is larger

b)

light year is larger

c)

light year is smaller

d)

both are the same size

27.

Which is the correct order for smallest to largest astronomical bodies?

a)

universe, galaxy, solar system, star, planet

b)

solar system, galaxy, planet, universe, star

c)

star, planet, galaxy, solar system, universe

d)

planet, star, solar system, galaxy, universe

28.

Which of the following is NOT a characteristic that defines a planet?

a)

orbits a star

b)

clears orbital path

c)

uniform round shape

d)

similar composition

29.

The largest distance would be between two

a)

stars

b)

planets

c)

galaxies

d)

solar systems

30.

What is the reason most meteors never hit the ground?

a)

Earth's atmosphere deflects them

b)

Earth's magnetic field deflects them

c)

Earth's atmosphere burns them up

d)

moon's gravity pulls them away from Earth

31.

A planet orbits a __________ and a moon orbits a __________.

a)

planet, star

b)

star, planet

c)

moon, star

d)

solar system, comet

32.

Which of the following is the shape of our galaxy?

a)

irregular

b)

spiral

c)

elliptical

d)

quasar

33.

What is at the center of a solar system?

a)

a black hole

b)

a large planet

c)

a star

d)

a nebula

34.

What two factors affect gravitational pull?

a)

mass, weight

b)

weight, distance

c)

mass, distance

d)

mass, volume

35.

What happens to an asteroid as it gets closer to Earth?

a)

the mass increases

b)

the mass decreases

c)

the weight increases

d)

the weight decreases

36.

What causes the Earth to orbit the sun?

a)

gravity, volume

b)

inertia, distance

c)

mass and weight

d)

gravity and inertia

37.

If two objects are 2 meters apart, how could you decrease the gravitational attraction?

a)

make them heavier

b)

move them closer

c)

move them farther apart

38.

What caused the formation of everything in the universe?

a)

inertia

b)

magnetism

c)

gravity

d)

nuclear attraction

39.

What happens as a comet nears the sun?

a)

it slows down

b)

it forms a tail

c)

its mass increases

d)

its size increases

40.

An irregular shaped rock mostly found between Mars and Jupiter.

a)

meteoroid

b)

asteroid

c)

comet

d)

dwarf planet

41.

How does your mass and weight change when you go to the moon?

a)

mass increases, weight decreases

b)

mass and weight stay the same

c)

weight increases, mass stays the same

d)

mass stays the same, weight decreases

42.

The tendency of an object to resist a change in motion is

a)

mass

b)

velocity

c)

inertia

d)

gravity

43.

Which is closer to Earth, the nearest __________.

a)

planet

b)

star

c)

galaxy

d)

solar system

44.

Another name for a shooting star is

a)

asteroid

b)

comet

c)

meteor

d)

meteorite

45.

What astronomical object originates in the Oort cloud and has a long elliptical orbit?

a)

comet

b)

meteoroid

c)

dwarf planet

d)

asteroid

46.

Some galaxies contain lots of dust and gas. This enables them to do what?

a)

form black holes

b)

form new planets

c)

form new stars

d)

form new asteroids

47.

Which of the following does NOT describe the use of telescopes.

a)

they detect EM waves

b)

they work better in space

c)

they detect distant sounds

48.

What is considered a natural satellite of a planet?

a)

comet

b)

asteroid

c)

moon

d)

meteroid

49.
Gravity is the force objects put on each other because of their ______.
a)
Mass
b)
Friendliness
c)
Acceleration
d)
Speed
50.

All the inner planets

a)

have at least one moon.

b)

have thick atmospheres.

c)

are rocky and have a solid outer layer.

d)

are large.

51.

All the outer planets are made mostly of

a)

water ice.

b)

metal and rock.

c)

gas and liquid around the solid core.

d)

a rocky surface.

52.

Which planet is the solar system's largest?

a)

Jupiter

b)

Saturn

c)

Neptune

d)

Uranus

53.

The majority of asteroids are found in a belt located between which two planets?

a)

Earth and Mars

b)

Mars and Venus

c)

Mars and Jupiter

d)

Jupiter and Saturn

54.

Which of the following is a complete list of the inner planets?

a)

Venus, Earth, Mars, and Jupiter

b)

Mercury, Venus, Earth, and Mars

c)

Jupiter, Saturn, Uranus, and Neptune

d)

Mercury, Venus, Earth, and Jupiter

55.

As the mass of objects increases, gravity

a)

increases

b)

decreases

c)

stays the same

56.

has rings that are the most obvious in appearance

a)

Saturn

b)

Jupiter

c)

Uranus

d)

Neptune

57.
What holds the planets in their orbits around the sun?
a)
gravity
b)
speed
c)
string
d)
air currents
58.
What is the center of our solar system?
a)
moon
b)
earth
c)
sun
d)
Jupiter
59.
What is the definition of orbit?
a)
the spinning of the earth on its axis
b)
when the lit part of the moon increases
c)
all of the planets, moon, and other space objects going around the sun
d)
the imaginary line that goes through the north and south poles that the earth spins on
60.
Which one takes 24 hours?
a)
rotation
b)
revolution
61.
What describes the earth going around the sun?
a)
rotation
b)
revolution
62.

The force that causes two objects with mass to be attracted to one another is _________.

a)

The force

b)

The moon

c)

Gravity

d)

The sun

63.

There are _____ planets in the solar system.

a)

10-1=

b)

3+7=

c)

4+5=

d)

7+1=

64.

Saturn has many moons and rings because it has the most _______.

a)

Orbits

b)

mass

c)

gravity

d)

Personality

65.

Which of these is the smallest?

a)

Solar system

b)

Galaxy

c)

Universe

66.

Which planet is the smallest in our solar system?

(a)  

67.

You are made of _______ from the universe.

a)

Matter

b)

Nothing

c)

Star dust

d)

Everything!!

68.

When a planet rotates, it spins on its ______.

a)

Toes

b)

Axis

c)

Merry-Go-Round

d)

Orbit

69.

A pie chart shows....

a)

Parts of a whole

b)

Percentages

c)

Bars

70.

Neptune is classified as a .....

a)

Terrestrial planet

b)

Gas giant

71.

Earth is classified as a.....

a)

Gas giant

b)

Terrestrial planet

72.

The (a)   revolves around the Earth.

73.

What is in the center of our solar system?

a)

Mercury because its the closest.

b)

Jupiter because it is the biggest.

c)

The sun!

d)

Earth because it is the most interesting.

74.

The light we see on the moon at night is from the ______.

a)

Earth

b)

The moon's glowing personality.

c)

The sun!

75.

Which of these objects are involved in why we see different phases of the moon?

a)

Moon

b)

Earth

c)

Sun

76.

What keeps planets in orbit around the Sun?

a)

the Sun's mass

b)

the Sun's period of rotation

c)

the Sun's gravitational force

d)

the Sun's color

77.

The planets in the solar system are so far apart that scientists measure the distances between them in

a)

miles (mi)

b)

kilometers (km)

c)

astronomical units (AU)

d)

inches (in)

78.

All the inner planets

a)

have at least one moon.

b)

have thick atmospheres.

c)

are rocky and have a solid outer layer.

d)

are large.

79.

All the outer planets are made mostly of

a)

water ice.

b)

metal and rock.

c)

gas and liquid around the solid core.

d)

a rocky surface.

80.

Which planet is the solar system's largest?

a)

Jupiter

b)

Saturn

c)

Neptune

d)

Uranus

81.

The majority of asteroids are found in a belt located between which two planets?

a)

Earth and Mars

b)

Mars and Venus

c)

Mars and Jupiter

d)

Jupiter and Saturn

82.

The force of gravitational attraction between the Sun and Venus could be increased by reducing which of the following?

a)

The distance between the Sun and Venus

b)

the period of rotation of the Sun

c)

The mass of the Sun and Venus

d)

The speed of the orbit of Venus

83.

Which of the following is a complete list of the inner planets?

a)

Venus, Earth, Mars, and Jupiter

b)

Mercury, Venus, Earth, and Mars

c)

Jupiter, Saturn, Uranus, and Neptune

d)

Mercury, Venus, Earth, and Jupiter

84.

As the mass of objects increases, gravity

a)

increases

b)

decreases

c)

stays the same

85.

As the mass of objects decreases, gravity

a)

increases

b)

decreases

c)

stays the same

86.

As the distance between objects decreases, gravity

a)

increases

b)

decreases

c)

stays the same

87.

As the distance between objects increases, gravity

a)

increases

b)

decreases

c)

stays the same

88.

has an atmosphere that protects life

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

89.

Which planet has a sideways axis rotation?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Mercury

90.
Gravity is the force objects put on each other because of their ______.
a)
Mass
b)
Friendliness
c)
Acceleration
d)
Speed
91.
What describes the earth going around the sun?
a)
rotation
b)
revolution
92.
Which one takes 24 hours?
a)
rotation
b)
revolution
93.

Mars has less gravity than Earth because Mars has __________ mass than Earth.

a)

less

b)

more

c)

the same

94.

Which would create the strongest gravity?

a)

Two large planets close together

b)

Two large planets far apart

95.

Which two things affect gravity?

a)

Mass and distance

b)

Weight and distance

c)

Weight and mass

96.

Weight is a person's mass AND the force of gravity of the planet the person is on. A person would weigh more on Jupiter than on the Earth because . . .

a)

Jupiter has more mass, and therefore more gravity

b)

Jupiter has less mass, and therefore more gravity

97.

Because of the balance between gravity and inertia all of the planets will...

a)

stay in orbit around the sun.

b)

all explode someday.

98.

If a planet does not have enough inertia, what would happen to it?

a)

It would fly off into space

b)

It would get pulled into its star

99.

What would happen to the planets if there was no gravity?

a)

They would all crash into the sun.

b)

They would all fly off into space because of inertia.

100.

As objects gain mass what happens to gravity?

a)

it increases

b)

it decreases

c)

no change

101.

As objects move further apart what will happen to the gravity between them?

a)

it decreases

b)

it increases

c)

no change

102.

This force is acting on all matter all of the time.

a)

gravity

b)

magnetism

c)

electricity

103.

What are the characteristics of outer planets

a)

far apart, gassy, lots of moons

b)

close together, rocky, few moons

c)

Gassy, lots of moons, close together

d)

rocky, lots of moons, very distant

104.

How hard gravity is pulling down on you is a measure of

a)

weight

b)

mass

c)

height

d)

length

105.

A planet is gaseous with lots of moons, what is most likely true about that planet?

a)

it is close to the sun

b)

It close to other planets

c)

it is far away from the sun

d)

it is very small

106.

Astronomers define planets using three things: If they have enough mass to be round, orbit the sun and what is the last one

a)

cleared away all debris from their orbit

b)

have an asteroid near them

c)

have a moon

d)

have an elliptical orbit

107.

The sun's next phase of life will be

a)

red giant

b)

black hole

c)

supernova

d)

neutron star

108.

The inner planets in order are

(a)  

109.

The outer planets in order are

(a)  

110.

This determine the life cycle of a star

a)

its mass

b)

its distance from the sun

c)

how many moons it has

d)

how close it is to other planets

111.

What is the likely final phase in the life of a high mass star?

a)

neutron star

b)

red giant

c)

white dwarf

d)

black hole

112.

Meteors are also called

a)

meteoroids

b)

meteorites

c)

asteroids

d)

shooting stars

113.

The asteroid belt is between

(a)  

114.

Once a meteor hits the earth it goes by a different name

a)

asteroid

b)

meteorite

c)

comet

d)

meteoroid

115.

These bodies take a long time to go around the sun and are made of gas and dust.

a)

planets

b)

asteroids

c)

comets

d)

meteors

116.

What Law states that everything with mass has gravity and the force of gravity depends on the mass and distance between the objects?

a)

Law of Universal Gravitation

b)

Law of Superposition

c)

Newton's Third Law

d)

Law of Gravity

117.

What role does gravity NOT play in the universe?

a)

Keeps the planets in their orbits

b)

Make the Moon orbit the Earth

c)

Change the seasons

d)

Make new stars and planets form

118.

How did the Solar System form?

a)

Planets collided with such intensity and heat to form the Sun

b)

Gravity pulled particles of gas and dust together making larger and larger objects until stars and planets formed.

c)

Meteors collided together over and over to form the planets

d)

Form? They have always existed.

119.

Why does the moon effect Earth's tides more than the Sun?

a)

The Moon has more mass than the Sun

b)

The planets between the Sun and Moon block gravity

c)

The Earth's rotation forms the tides, not the moon.

d)

The Moon is closer to Earth then the Sun

120.

Which is NOT a benefit of Scientific models?

a)

Used to for things too large and too small.

b)

Not made of the same materials

c)

Keep scientists out of danger.

d)

Cheaper to experiment with.

121.

Which is not a limitation of Scientific Models?

a)

Cannot show every possible outcome

b)

May lack detail

c)

Not made of the original material

d)

May be smaller or larger than what they represent

122.

What is in the center of the Geocentric Universe?

a)

The Sun

b)

The Moon

c)

The Earth

d)

A black hole

123.

What is in the center of the Heliocentric Universe?

a)

The Sun

b)

The Moon

c)

The Earth

d)

A black hole

124.

Which scientist came up with new evidence for the current theory of the Solar System?

a)

Aristotle

b)

Nicolaus Copernicus

c)

Albert Einstein

d)

Ptolemy

125.

What role does gravity play in our solar system?

a)

Makes things float

b)

Forms, moves, and keeps objects in orbit

c)

Makes things go in a straight line

126.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
127.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
128.
The Milky Way Galaxy is a 
a)
spiral
b)
lenticular
c)
elliptical 
d)
irregular
129.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
130.
How far is the sun from the earth?
a)
4.3 light-minutes
b)
680 light-years
c)
8.4 light-minutes
d)
9 light years
131.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
132.
Distance measurement used by astronomers for distant objects.
a)
Kilometers
b)
Light Years
c)
Miles
d)
Light Seconds
133.
What is not a galaxy?
a)
Optical Galaxy
b)
Spiral Galaxy
c)
Elliptical Galaxy
d)
Irregular Galaxy
134.
How many stars are in a galaxy.
a)
millions or billions
b)
thousands
c)
hundreds
d)
Ten
135.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
136.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
137.
Our sun is located on one of the Spiral Galaxy arms.  
a)
True
b)
False
138.
The most abundant type of galaxy in the universe is an...
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
139.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
140.
The type of galaxy that is the leftovers of two colliding galaxies is called the...
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
d)
Constellation Galaxy
141.
The closest star to the sun is the...
a)
Sirius A
b)
Barnard's Star
c)
Luhman16
d)
Proxima Centauri
142.
The type of galaxy that is composed of the older stars and low-mass stars.
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Constellation
143.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
144.
All existing matter and space considered as a whole is called what?
a)
Galaxy
b)
Planet
c)
Universe
d)
Milky Way
145.

A group of stars that form a galaxy is called what?

a)

cluster

b)

planet

c)

universe

d)

gravity

146.

Gravity attracts objects towards one another

a)

True

b)

False

147.

Where is the sun located in the galaxy?

a)

at the edge

b)

within an outer arm

c)

at the center

d)

within the center body

148.

Gravity is based on an object's _____________.

a)

roundness

b)

brightness

c)

appearance

d)

mass

149.

What evidence supports the sun's location in the galaxy?

a)

observation of globular clusters

b)

measurement of brightness in the galaxy

c)

composition of the stars in the galaxy

d)

elliptical orbits of planets around the sun

150.

What keeps the planets in orbit around the sun?

a)

stars

b)

heat

c)

gravity

d)

satellites

151.

What galaxy are Earth and the solar system located?

a)

Andromeda galaxy

b)

Whirlpool galaxy

c)

Inner Planet galaxy

d)

Milky Way galaxy

152.

Why do the planets in our solar system orbit the sun?

a)

because the sun is the brightest

b)

because the sun was there first

c)

because the sun has the most mass

d)

because nothing can orbit planets

153.

What is true about the dark areas of the night sky?

a)

Black holes make up the dark areas of the sky

b)

Objects in the dark areas of the sky are too far to be seen

c)

There is nothing located in the dark areas of the sky

d)

Objects in the dark areas are moving too fast to be seen

154.

This is the word that describes space and all the matter and energy in it.

a)

universe

b)

space

c)

solar system

d)

sun

155.

Which of the following is the largest?

a)

cluster

b)

solar system

c)

star

d)

galaxy

156.

Gravity is the force objects put on each other because of their ____________.

a)

speed

b)

mass

c)

direction

d)

location

157.

Why is the Earth and other planets spherical?

a)

erosion from asteroids hitting the surface

b)

heat from the sun melted the object's surface

c)

force of gravity is acting evenly in all directions around the center mass

d)

pressure of the atmosphere acting evenly in all directions

158.

What would happen if the mass of one object suddenly increased?

a)

The mass of the other object would increase

b)

The distance between the objects would increase

c)

The gravitational force of the objects would remain constant

d)

The gravitational force between 2 objects would increase

159.

What force keeps the planets held in their orbit?

a)

gravitational force

b)

nuclear force

c)

electrical force

d)

magnetic force

160.

If 2 planets of the same mass are in space and A is closer to the sun while B is farther away from the sun, which one will have a stronger gravitational field/force?

a)

planet A

b)

planet B

161.

What might happen to a satellite if Earth's gravity suddenly disappeared?

a)

The satellite would stop moving

b)

The satellite would fall to Earth

c)

The satellite would move into space in a straight line

d)

The satellite would continue to orbit Earth

162.

Which of the following choices are true about orbits?

a)

All objects in space move in perfect, circular orbits

b)

The size of an object determines the size of its orbit

c)

The size of both the object and the object it orbits are equal

d)

The force of gravity is what holds each object in its orbit

163.

Which evidence describes how we know where Earth is located in the Milky way galaxy?

a)

Globular clusters seen from telescopes tell us that our solar system is not near the center of the Milky way, but rather we are located in the outer arm

b)

Our solar system is located in the center mass of the Milky way galaxy

c)

Our solar system is located on the inner arm of the galaxy

d)

Our solar system is not in the Milky Way galaxy

164.

Which option shows objects in the correct order from smallest to largest.

a)

universe, galaxy, solar system, planet

b)

solar system, universe, galaxy, planet

c)

planet, solar system, galaxy, universe

d)

galaxy, planet, universe, solar system

165.

True or False: Galaxies are moving toward one another and may collide in the future.

a)

True

b)

False

166.

What object is much smaller than our sun, but has more than 4 times the mass of the sun and is so powerful that even light can't escape?

a)

elliptical

b)

asteroid

c)

Andromeda

d)

black hole

167.

Finish this sentence correctly. A spiral galaxy is best described as a very large group of stars....

a)

arranged in arms encircling a dense center

b)

packed into a dense, spherical center

c)

arranged into the shape of an elliptical disc

168.

Choose the best definition for universe.

a)

an extremely large group of stars in space

b)

consists of the sun, 8 planets, and their moons

c)

all space and the matter that space contains

169.

The matter in an object, which affects gravitational forces

a)

Gravitational force

b)

Force

c)

Mass

d)

Weight

170.

Gravitational forces are always

a)

Attractive

b)

Pushing

c)

repulsive

d)

objects

171.

What affects the strength of gravity

a)

Weight and Mass

b)

Mass and Distance

c)

Distance and Weight

d)

Mass and Force

172.

Why do the planets and other celestial objects in our solar system revolve around the Sun?

a)

The Sun has the greatest mass of any object in the solar system and therefore the greatest gravity

b)

The sun is the center of the universe

c)

The sun is the brightest thing in space and everything is attracted to it.

d)

The Sun has the greatest weight so everything pushes towards it

173.

Large mass of stars

a)

Solar System

b)

Galaxy

c)

Nebula

d)

Milky Way

174.

The gravitational force between two objects can be very small, unless which of the following is true?

a)

The objects must be very far apart.

b)

One of the objects must have a very large mass.

c)

Both objects must have very large masses.

d)

Both objects must be in the solid state of matter.

175.

If you landed on Mars, what happens to your mass and weight? Remember the force of gravity on Mars is less than on Earth.

a)

The mass decreases while the weight stays the same.

b)

The mass stays the same while the weight increases.

c)

The mass increases while the weight decreases.

d)

The mass stays the same while the weight decreases.

176.

Which piece of evidence best supports this statement: Gravity is felt between objects across a distance.

a)

Heavier objects have less gravity acting on them.

b)

An object at rest on the ground doesn’t respond to gravity.

c)

The Moon orbits Earth due to a gravitational field.

d)

Objects float freely in space where there is no gravity.

177.

Gravity is responsible for which of the following characteristics of a galaxy?

a)

The motion of the objects within it

b)

The size of its largest stars

c)

Its location within the universe

d)

The color of light it emits

178.

Which of the following best describes the formation of the solar system?

a)

The Sun ejected rocky material which formed the planets due to magnetic attraction forces.

b)

A rotating disk of gas and dust was drawn together by the force of gravity.

c)

One very large planetary body broke apart into several smaller planets.

d)

Several stars of different masses cooled and formed the planets and the Sun.

179.

Earth and its solar system are a part of which of the following galaxies?

a)

Three Musketeers

b)

Snickers

c)

Twix

d)

Milky Way

180.

Why do some planets have moons in our solar system?

a)

They are close to the sun

b)

They have enough gravity to hold a moon in orbit

c)

They are special

d)

All planets have moons

181.

What force played a major role in the formation of the solar system?

a)

Magnetism

b)

Push

c)

Pull

d)

Gravity

182.

How are the inner planets different from the outer planets in the solar system?

a)

They are farther and made of rocks.

b)

They are farther and made of gas

c)

They are closer and made of gas.

d)

They are closer and made of rocks

183.

Which statement is true?

a)

Only celestial objects exert a gravitational force

b)

Gravity can both push and pull objects

c)

Only Earth exerts a gravitational force.

d)

All objects with mass exert a gravitational force.

184.

The amount of matter in an object is

a)

weight

b)

mass

c)

gravity

d)

pressure

185.

Which of the following has the

strongest gravitational pull?

a)

Earth

b)

Sun

c)

Moon

d)

Mars

186.

As the distance between two objects

increases, the gravity between them

a)

increases

b)

decreases

c)

stays the same

d)

is zero

187.

How are galaxies held together.

a)

gas

b)

dust

c)

stars

d)

gravitational attraction

188.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
189.
Our Galaxy is called the
a)
M38
b)
Milky Way Galaxy
c)
Andromeda Galaxy
d)
Pinwheel Galaxy
190.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
191.
What are in galaxies?
a)
ice and rock
b)
dust, gas, and stars
c)
stars and ice
d)
water and dust
192.

How many stars are in a galaxy.

a)

billions

b)

thousands

c)

hundreds

d)

Ten

193.
A galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?
a)
heat
b)
light
c)
gravity
d)
friction
194.
a)

A

b)

B

c)

C

d)

D

195.
a)

A

b)

B

c)

C

d)

D

196.

Which is the largest object in our solar system?

a)

Moon

b)

Mars

c)

Venus

d)

Sun

197.
According to this Hertzsprung-Russell Diagram which stars are brightest?
a)
Purple
b)
Red
c)
Blue
d)
Yellow
198.

Hertzsprung-Russell Diagram shows the correct order of increasing surface temperature (coolest to hottest) for stars is?

a)

Red, Yellow, White, Blue

b)

Red, Yellow, Red, Yellow

c)

Blue, White, Yellow, Red

d)

Blue, Red, White, Yellow

199.
Betelgeuse is classified as a ____________ star.
a)
Supergiant
b)
Giant
c)
White Dwarf
d)
Main Sequence
200.
The sun and all of the planets and other bodies that travel around it. 
a)
Universe 
b)
Galaxy 
c)
Star
d)
Solar System 
201.
Space and all the matter and energy in it.
a)
Space
b)
Solar System 
c)
Universe
d)
Sun

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