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The Solar System Reteach Unit 6

Total questions: 144

Worksheet time: 5hrs 50mins

Name
Class
Date
1.

What is gravitational force?

a)

an elastic force that causes planets to expand

b)

an attractive force between all objects that have mass

c)

a destructive force that creates radiation in the solar system

d)

a conductive force that helps light travel through the solar system

2.

A solar system is a system

a)

in which only planets travel around a star.

b)

that includes only the sun, Earth, and moon.

c)

that includes a star, planets, and their moons.

d)

made up of a star and all the objects that travel around it.

3.

What does the strength of gravitational force depend on?

a)

mass and distance

b)

mass and speed

c)

shape and speed

d)

shape and distance

4.

Which gravitational force is strongest?

a)

The force on a baseball from Earth.

b)

The force on a baseball from the moon.

c)

The force on a baseball from a nearby book.

d)

The force on a baseball from a person’s hand.

5.

Which of these is NOT a requirement for a celestial object to be considered a planet?

a)

It has to have a moon.

b)

It has to clear its neighborhood.

c)

It has to attract matter as it moves.

d)

It has a nearly spherical shape.

6.

Why does Earth constantly revolve around the sun?

a)

Earth is attached to the sun by a gravitational force that operates like a rigid pole.

b)

Earth is pushed away from the sun due to the heat waves that are produced by the sun.

c)

Earth’s speed allows it to resist the pull of the gravitational force between Earth and the sun.

d)

Earth is caught in the gravitational force between Venus and Mars, causing it to rotate.

7.

Why do planets have a nearly spherical shape?

a)

A planet’s rotation causes it to become round over time.

b)

Gravitational forces around large objects push matter outward.

c)

Planets will form in the shape of the stars they revolve around.

d)

Gravitational forces in large objects pull matter toward their centers.

8.

At about what speed does the Earth move around the sun?

a)

1 km/s

b)

30 km/s

c)

100 km/s

d)

4,000 km/s

9.

Which of these would be considered a natural satellite?

a)

Saturn

b)

a GPS satellite

c)

Saturn’s moon

d)

the Hubble Space Telescope

10.

Which of these statements is true regarding the number of moons in the solar system?

a)

There are no planets that do not have a moon.

b)

All moons in the solar system have been discovered.

c)

Planets in the solar system never have more than five moons

d)

Planets in the solar system have different numbers of moons.

11.

Which planets are more likely to form systems of moons?

a)

massive planets

b)

smaller planets

c)

planets closest to the sun

d)

planets farthest away from the sun

12.

Which planet exerts the strongest gravitational force in our solar system?

a)

Earth

b)

Jupiter

c)

Mars

d)

Saturn

13.

Which of these statements is NOT true of dwarf planets?

a)

Dwarf planets are in direct orbit around the sun.

b)

Dwarf planets have a nearly round shape.

c)

Dwarf planets share their orbit with many large objects.

d)

Dwarf planets have cleared the neighborhood around their orbit.

14.

Most asteroids are found in our solar system between the orbits of

a)

Mars and Jupiter in the main asteroid belt.

b)

Venus and Earth in the main asteroid belt.

c)

Saturn and Uranus in the main asteroid belt.

d)

Mercury and Mars in the main asteroid belt.

15.

What is an astronomical unit (AU)?

a)

A unit of measurement that is about the distance of Earth to Polaris.

b)

A unit of measurement that is about the distance of Earth to the moon.

c)

A unit of measurement that is about the distance of Earth to the sun.

d)

A unit of measurement that is about the distance of the sun to the edge of the outer solar system.

16.

Why is a scale model of a system helpful to scientists?

a)

Scale models help to understand why moons fall into orbit around planets.

b)

Scale models, while not an accurate measure for relative size, help to understand distance.

c)

Scale models help to understand the relative sizes and distances of planets in actual systems.

d)

Scale models, while not an accurate measure for relative distance, help to understand size.

17.

Mercury is so difficult to see from Earth because it is

a)

hidden by the glare of the sun.

b)

too small to be seen from Earth.

c)

blocked from view by other planets.

d)

too far away to been seen from Earth.

18.

Neptune is the hardest planet to see because it is

a)

too close to the sun.

b)

blocked by an asteroid field.

c)

blocked from view by its moons.

d)

very dim and similar in appearance to the stars.

19.

What makes Jupiter easier to see than Mars?

a)

It is closer to Earth than Mars.

b)

It is on the same orbital plane as Earth.

c)

Its orbit passes Earth more closely than Mars’s orbit.

d)

It is larger than Mars, so it appears to be brighter.

20.

Why do Mercury and Venus appear to have phases?

a)

They have properties that are similar to natural satellites.

b)

They follow the same orbit around Earth as Earth’s moon.

c)

The sun shines only on the half of each planet that is facing the sun.

d)

They are so bright that objects blocking their view from Earth create phase-like phenomena.

21.
Which planet in our solar system is closest to the Sun?
a)
Earth
b)
Jupiter
c)
Mercury
d)
Saturn
22.

A student made a model of how the planets orbit the sun. She used a tennis ball to represent the sun. She used ping-pong balls to represent each planet and painted each one a different color. Then, she placed all the ping-pong balls equal distances apart in a line extending out from the sun.


What are two limitations of the student's model? (Limitations are things about the model that limit its accuracy.)

a)

She used the same size balls to represent the planets.

b)

She made planets orbit the sun.

c)

The planets are not the correct distances from the sun.

d)

The solar system can't be modeled using actual objects.

23.

How do the sizes of the inner planets (4 closest to the sun) compare to the sizes of the outer planets (4 farthest from the sun)?

a)

The inner planets are larger.

b)

The outer planets are smaller.

c)

There is no size difference between the inner and outer planets.

d)

The inner planets are smaller.

24.

Describe how the distances between the orbits of the inner planets (1st four from the sun) compare to the distances between the orbits of the outer planets (four farthest from the sun).

a)

The distances between orbits of the outer planets are much smaller.

b)

The distances between orbits of the outer planets are much larger.

c)

The distances between orbits of the inner planets are much larger.

d)

There is no difference between the distances of the orbits of the inner planets and the outer planets.

25.

This model shows...

a)

the size differences among the planets accurately.

b)

the distances between the planets accurately.

c)

both the sizes of the planets and the distances between them accurately

26.

What is the center of our solar system?

a)

The sun

b)

Uranus

c)

Jupiter

d)

Saturn

27.

Our Solar System_________

a)

Has 8 planets that are very close together

b)

Has 8 planets, but is mostly empty space

c)

Has 9 planets that are very close together

d)

Has 9 planets, but is mostly empty space

28.

Why do scientists use scale models to study the Solar System?

a)

The solar system is too large to study without using models

b)

The solar system is too small to study without using models

c)

Scientists don't need to use models because we have satellites

d)

All of these options are true

29.

Why is making a model of the solar system difficult?

a)

Don't have the right materials

b)

The solar system is so big and the objects in it are so small in comparison

c)

There are too many parts in a model

d)

Because the science concepts are too difficult

30.

Which planet in the Solar system orbits the sun in the shortest amount of time?

a)

Mercury

b)

Earth

c)

Jupiter

d)

Neptune

31.

The graph shows the average temperatures of the planets in our solar system. Which planet has the highest average temperature?

a)

Mercury

b)

Venus

c)

Earth

d)

Jupiter

32.

If you were going to make a scale model of the Solar system what planet should be the second largest?

a)

Jupiter

b)

Saturn

c)

Earth

d)

Uranus

33.
What planet in the Solar system has the lowest average temperature?
a)
Uranus
b)
Neptune
c)
Mars
d)
Saturn
34.

What planet is spinning the fastest on its axis?

a)

Mercury

b)

Jupiter

c)

Venus

d)

Earth

35.

What planets year (Period of Revolution) is shorter than its day (Period of Rotation)?

a)

Venus

b)

Jupiter

c)

Earth

d)

Uranus

36.

One similarity between asteroids, comets and meteoroids is that they all:

a)

are made of the same materials

b)

come from the Asteroid Belt

c)

have long tails that follow behind them

d)

orbit the sun

37.

Which is true of the dwarf planets? (Select all that are true.)

a)

have cleared their orbit of other objects

b)

made of ice

c)

orbit the Sun

d)

spherically shaped

38.

Imagine that a new object is found in our solar system. It is small and made of rock and orbits the dwarf planet Eris. How would scientists classify this object?

a)

A moon

b)

A comet

c)

An asteroid

d)

A meteoroid

39.

Which of the following bodies in our solar system orbit the sun? (Select all that are correct)

a)

Meteoroids

b)

Moons

c)

Dwarf Planets

d)

Comets

e)

Asteroids

40.

According to a livescience.com headline from earlier in the week, "On Wednesday (Sept. 22), the fall equinox will bring the Earth about 12 hours of daylight, 12 hours of night, and a renegade space rock measuring about three times the size of the Statue of Liberty."


This object would be classified as a...

a)

comet

b)

asteroid

c)

meteoroid

d)

moon

41.

What is the center of our solar system?

a)

The sun

b)

Earth

c)

Jupiter

d)

Saturn

42.

This shows

a)

Size difference between the planets accurately

b)

Distance between the planets accurately

c)

Both size and distance accurately

43.

If you were going to make a scale model of the Solar system what planet should be the second largest?

a)

Jupiter

b)

Saturn

c)

Earth

d)

Uranus

44.

If you were to make a scale model of the Solar system what planets in the solar system should be most similar in size?

a)

Earth and Venus

b)

Mars and Mercury

c)

Uranus and Neptune

d)

Jupiter and Saturn

45.
True or False
The planets are all equally distanced from each other.
a)
True
b)
False
46.

Representation used to study objects or ideas that are too complex, distant, large or small to study firsthand...

a)

Miniature

b)

Model

c)

Magnified

47.

The ratio between the measurement on a map or model and the actual measurement of an object

a)

gravity

b)

weight

c)

scale

d)

ruler

48.

The Milky Way is the galaxy that contains our Solar System.

a)

True

b)

False

49.
The measure of the pull of gravity on an object is ___________________.
a)
motion
b)
weight
c)
speed
d)
friction
50.
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
51.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
d)
I don't care
52.
Force of gravity is directly proportional to
a)
Mass
b)
Weight
c)
Distance
d)
Time
53.
Force of gravity is inversely proportional to
a)
Mass
b)
Weight
c)
Distance
d)
Time
54.
As the product of two objects' masses increases, the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
55.
As distance separating the objects increases the force
a)
increases
b)
decreases
c)
stays the same
56.
If I double the distance between two objects, what happens to their gravitational Force?
a)
4x bigger
b)
4x smaller
c)
2x bigger
d)
2x smaller
57.
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
58.
A moon is located at  1 unit out from the planet it orbits. If that moon was orbiting at 2 units out from the planet, how much would the gravitational force on the moon be compared to its distance at 1 unit?
a)
1/4
b)
1/6
c)
2x as much
d)
4 times as much
59.
What states that "every object in the universe attracts every other object"?
a)
Law of Universal Gravitation
b)
Newton's First Law of Motion
c)
My mother
d)
Inertia & gravity
60.
The amount of matter in an object
a)
mass
b)
weight
c)
inertia
d)
gravity
61.
The size or magnitude of earth’s gravitational force on Satellite B is
a)
equal to Satellite A
b)
less than Satellite A
c)
more than Satellite A
d)
zero
62.
What shape is this orbit?
a)
square
b)
circle
c)
ellipse
d)
line
63.

the path a body follows as it travels around another body in space

a)

revolution

b)

rotation

c)

orbit

d)

hemisphere

64.

a cloud of gas and dust from which bodies in space are formed

a)

revolution

b)

photosphere

c)

nuclear fusion

d)

nebula

65.

The planets of the solar system formed as

a)

the center of the gas cloud cooled.

b)

planetesimals flattened into a rotating disk.

c)

planetesimals collided into one another.

d)

the sun absorbed extra gas and dust from the solar system.

66.

What happens during nuclear fusion in the sun?

a)

Helium nuclei combine to form hydrogen.

b)

Helium nuclei combine to form oxygen.

c)

Hydrogen nuclei combine to form helium.

d)

Oxygen nuclei combine to form helium.

67.

As a nebula collapses it also begins:

a)

Expand

b)

Spin or Rotate

c)

Shake

d)

Turn to ice

68.

A nebula collapses down into a disk known as :

a)

A compact disk

b)

An irregular cloud

c)

An protostellar disk

d)

An circular disk

69.
What is the period of rotation?
a)
How long it takes a planet to orbit the sun
b)
How fast a planet orbits the sun
c)
How fast a planet spins
d)
How elliptical a planet's orbit is
70.
What is  the period of revolution?
a)
How long it takes a planet to orbit the sun
b)
How long it takes a planet to spin around
c)
How fast a planet spins
d)
How elliptical a planet's orbit is
71.
If a planet is closer to the sun, its orbit will be _____ than one farther away. 
a)
longer
b)
slower
c)
bigger
d)
shorter
72.
The law of universal gravitation is credited to whom?
a)
Einstein
b)
Galileo
c)
Darwin
d)
Newton
73.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
74.
If Earth's mass was cut in half, what would happen to your weight?
a)
Increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, weight is not affected by gravitational force
75.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
76.
A satellite moves ______________when it is moved farther from the object that it orbits.
a)
more quickly
b)
more slowly
c)
at the same speed
d)
with no change in speed
77.
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
78.
An ellipse is drawn around two points called
a)
aphelion
b)
perihelion
c)
foci
d)
axis
79.
The place where a planet is closest to the Sun as it orbits the Sun is called the
a)
perihelion
b)
aphelion
80.
The place where a planet is farthest away from the Sun in its orbit around the Sun is called the
a)
aphelion
b)
perihelion
81.
Where is the planet moving faster
a)
Position A to B
b)
Position B to C
c)
Position H to I
d)
Position I to J
82.
What is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?
a)
The area between A, B and the Sun is the largest.
b)
The area between H, I and the Sun is the largest
c)
Both areas are equal in size
d)
There is not enough information to determine the areas
83.
What has an eccentricity of zero
a)
a straight line
b)
a large ellipse
c)
a circle
d)
a small ellipse
84.
Kepler's 2nd Law deals with 
a)
the shape of the planets' orbits
b)
the speed/area the planet travels 
c)
the length of time it takes the planet to orbit the sun
85.
A planet moves __________ when it is farthest from the sun.
a)
faster
b)
slower
86.
Kepler's first law states that the orbits of the planets are oval in shape or 
a)
ellipses
b)
perfect circles
87.
Which diagram shows a planet with the least eccentric orbit?
a)
1
b)
2
c)
3
d)
4
88.
During which month is the earth moving the slowest? 
a)
July 
b)
March
c)
January
d)
September
89.

Which of Kepler's laws states that planets travel faster when they are close to the sun then they do when they are farther from the sun?

a)

Kepler's 1st law

b)

Kepler's 2nd law

c)

Kepler's 3rd law

90.

Which of the following list the correct hierarchy in the Universe from biggest to smallest?


¿Cuál de las siguientes enumera la jerarquía correcta en el Universo de mayor a menor?

a)

Universe, galaxies, solar system, stars and planets

b)

Planets, stars, solar system, galaxies, universe

c)

Solar system, galaxies, stars, planets, universe

d)

Universe, solar system, galaxies, planets and stars

91.

Astronomical units are used for....

a)

Distances within a solar system

b)

Distances between solar systems

c)

Distances within galaxies

d)

Distances between galaxies

92.

The distance that light can travel in a year is called....

a)

A light second

b)

A light minute

c)

A light month

d)

A light year

93.

_________would be the best unit to use to measure the distance between our sun and Proxima Centauri (our nearest star neighbor).

a)

Astronomical units

b)

Light seconds

c)

Light years

94.

An astronomical unit is...

a)

The average distance between the Earth and the Sun

b)

The average distance between the Sun and Neptune

c)

The diameter of the sun

d)

The time it takes light to travel across our solar system

95.

This geometrically derived unit equals about 3.26 light years

a)

Astronomical Unit

b)

Light year

c)

Parsec

d)

Light second

96.

_______________ would be the best unit to use to measure the distance between the asteroid belt and Pluto

a)

Astronomical units

b)

Light seconds

c)

Light years

d)

Parsecs

97.

What's wrong with Han Solo's claim of making "the Kessel Run in less than 12 parsecs"

a)

Even the Millennium Falcon can't travel that fast

b)

He should have used 'astronomical units'

c)

Parsec is a measure of distance, not time

d)

He should have used 'light seconds'

98.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
99.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
100.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
101.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
102.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
103.
The force of attraction between all matter.
a)
inertia
b)
friction
c)
net force
d)
gravity
104.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
105.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
106.
Gravity is increased with...
a)
greater mass & shorter distance
b)
greater mass & farther distance
c)
lower mass & shorter distance
d)
lower mass & farther distance
107.
In the picture, the blocks are flying out of the truck based on which of Newton's laws?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 6th Law
108.

If the adult is pushing both children with the same force, which of the following is true?

a)

The smaller child will have more acceleration

b)

The bigger child will have more acceleration

c)

Both children will have the same acceleration

109.
Planets orbit the Sun in a shape called a(n)
a)
circle
b)
ellipse
c)
focus
d)
perihelion
110.
An ellipse is drawn around two points called
a)
aphelion
b)
perihelion
c)
foci
d)
axis
111.
When a planet orbits the Sun, one of the foci of the elliptical orbit is 
a)
the axis
b)
the perihelion
c)
the center
d)
the Sun
112.
Where is the planet moving faster
a)
Position A to B
b)
Position B to C
c)
Position H to I
d)
Position I to J
113.
What is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?
a)
The area between A, B and the Sun is the largest.
b)
The area between H, I and the Sun is the largest
c)
Both areas are equal in size
d)
There is not enough information to determine the areas
114.
What has an eccentricity of zero
a)
a straight line
b)
a large ellipse
c)
a circle
d)
a small ellipse
115.
A planet moves __________ when it is farthest from the sun.
a)
faster
b)
slower
116.
The path a planet travels around the sun is called its 
a)
orbit
b)
ellipse
c)
barycenter
d)
precession
117.
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
118.

What are TWO things that happen on the surface of the Sun?

a)

Sunspots

b)

Explosions

c)

Solar Flares

d)

Greenspots

119.
A dark spot on the photosphere of the sun
a)
corona
b)
solar flare
c)
sunspot
d)
magnitude
120.
The visible surface of the sun
a)
galaxy
b)
universe
c)
corona
d)
photosphere
121.
Moving areas of magnetic activity with temperatures that are cooler than the area of the photosphere
a)
Photosphere
b)
Corona
c)
Sunspots
d)
Prominence
122.
Sudden, intense explosions that result in changes in brightness when magnetic energy is released.
a)
Prominences
b)
Solar Flare
c)
Sunspot
d)
Photosphere
123.
Bright arch-like loops that may erupt from the photosphere into the corona
a)
Sunspots
b)
Solar Flares
c)
Prominences
d)
Photosphere
124.
Energy released from _________ can cause damage to the International Space Station, disrupt radio and electrical transmissions on Earth, and cause Auroras in the skies near the North and South Poles
a)
Sunspots
b)
Solar Flares
c)
Prominences
d)
Corona
125.
How does the sun keep all of the planets in orbit?
a)
The pull of its gravity
b)
the flames give it power
c)
the sun spots
d)
The solar flares guide them
126.

How many inner layers does the sun have?

a)

3

b)

9

c)

6

d)

934

127.

How many outer layers does the sun have?

a)

3

b)

9

c)

103

d)

6

128.

What Inner layers of the sun?

a)

Core, Radiative zone, and the Convection zone

b)

Corona, Photosphere, and Chromosphere

c)

Core, Corona, and Chromosphere

d)

Corana, Core, and Radiative zone

129.

What are the outer layers of the sun?

a)

Core, Radiative zone, and the convection zone

b)

Corona, Radiative, and Chromosphere

c)

Corona, Photosphere, and Chromosphere

d)

Photosphere, Corona, and Core

130.

The more arrow heads in a region shows a greater speed.

Which of the following models below best represents the Sun's rotational pattern?

a)
b)
c)
d)
131.
Label part 1
a)
#1 Core
b)
#1 Radiation zone
c)
#1 Convection zone
d)
#1 Photosphere
132.
Label Part 2
a)
#2 Core
b)
#2 Radiation zone
c)
#2 Convection zone
d)
#2 Corona
133.
Label Part 3
a)
#3 Chromosphere
b)
#3 Radiation zone
c)
#3 Convection zone
d)
#3 Photosphere
134.
Label part 4
a)
#4 Chromosphere
b)
#4 Radiation zone
c)
#4 Convection zone
d)

#4 Photosphere

135.
Label part 5
a)
#5 Chromosphere
b)
#5 Radiation zone
c)
#5 Convection zone
d)
#5 Photosphere
136.
Label part 6
a)
#6 Prominences
b)
#6 Corona
c)
#6 Sunspots
d)
#6 Photosphere
137.
Label part 7
a)
#7 Prominences
b)
#7 Corona
c)
#7 Sunspots
d)
#7 Photosphere
138.
In what form does the Sun's energy travel to Earth?
a)
Heat
b)
Electrical energy
c)
Electromagnetic radiation
d)
Mechanical energy
139.
What protects life on Earth from gamma rays, X rays, and particles emitted by the Sun?
a)
The ozone layer in the stratosphere
b)
The ionosphere
c)
The magnetosphere (Earth's magnetic field)
d)
Clouds
140.
Nuclear fusion is when
a)
the nuclei of two atoms join to produce lots of energy
b)
the nuclus of a large atom splits to release lots of energy
141.
Energy is created in the core when two _____________ atoms join together to form a ______________ atom.
a)
helium, hydrogen
b)
carbon, hydrogen
c)
nitrogen, helium
d)
hydrogen, helium
142.
The middle layer of the sun's interior that contains very tightly packed gas is called the _____________.
a)
photosphere
b)
chromosphere
c)
radiation zone
d)
convection zone
143.
In which area of the sun does gas rise as it heats up, then fall back down as it cools?
a)
the core
b)
the radiation zone
c)
the convection zone
d)
the corona
144.
When we look at the sun, what layer are we viewing?
a)
photosphere
b)
chromosphere
c)
corona
d)
convection zone

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