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Solar System

Total questions: 137

Worksheet time: 23hrs 50mins

Name
Class
Date
1.

What is the center of our Solar System?

a)

Earth

b)

the moon

c)

the sun

2.

All of the objects in our Solar System orbit the sun.

a)

True

b)

False

3.

How many planets are in our Solar System?

a)

7

b)

8

c)

9

4.

The inner planets (Mercury, Venus, Earth, and Mars) are made of--

a)

rocks

b)

gas

c)

helium

5.

The outer planets (Jupiter, Saturn, Uranus, Neptune) are made of --

a)

gas

b)

rocks

c)

water

6.

In the mnemonic, what planet is associated with nachos?

a)

Mercury

b)

Neptune

c)

Mars

7.

In the mnemonic, what planet is associated with My?

a)

Mars

b)

Mercury

c)

Venus

8.

What is the third planet from the Sun?

a)

Mercury

b)

Venus

c)

Earth

9.

How long does Earth's orbit around the sun take?

a)

365 and 1/4 days

b)

360 days

c)

24 hours

d)

2 years

10.

Our sun is a medium-sized star compared to other stars.

a)

True

b)

False

11.

The HOTTEST stars are usually what color

a)

yellow

b)

orange

c)

blue

d)

pink

12.

What causes day and night here on our Earth?

a)

The different moon phases

b)

Asteroids

c)

The rotation of Earth

d)

Stars

13.

What causes our seasons here on Earth?

a)

Stars in our universe

b)

Our revolution around the moon

c)

Earth's tilted axis and our rotation

d)

The revolution of Earth around the sun and Earth's tilted axis

14.

This is the first planet from the Sun; it is very hot in the day and very cold in the night.

a)

Mercury

b)

Neptune

c)

Earth

d)

Jupiter

15.

What are large chunks of rocks and metal in space?

a)

Earth

b)

comet

c)

asteroids

d)

gibbous

16.

The fourth planet from the Sun; also known as the "red planet."

a)

Neptune

b)

Mercury

c)

Earth

d)

Mars

17.

The sixth planet from the Sun; known for its large rings.

a)

Saturn

b)

Mercury

c)

Earth

d)

Mars

18.

The fifth planet from the Sun; this is the LARGESTplanet in the Solar System.

a)

Jupiter

b)

Mercury

c)

Earth

d)

Neptune

19.

This is the eighth (last) planet from the Sun; it is deep dark blue in color.

a)

Earth

b)

Neptune

c)

Mercury

d)

Jupiter

20.

These are the 4 planets closest to the sun (Mercury, Venus, Earth, Mars).

a)

inner planets

b)

outer planets

c)

dwarf planets

d)

solar planets

21.

This is the nearest star to Earth.

a)

the moon

b)

the planet of Mars

c)

the asteroid belt

d)

the sun

22.

These are the four planets FARTHEST from the Sun; Jupiter, Saturn, Uranus, and Neptune.

a)

inner planets

b)

outer planets

c)

solar planets

d)

the best planets

23.

A group of stars that make a pattern in the night sky.

a)

planets

b)

comets

c)

asteroids

d)

constellation

24.

Where is the Asteroid Belt located in the Solar System?

a)

near Neptune

b)

between Mercury and Venus

c)

between Mars and Jupiter

d)

around the Sun

25.

This is the phase of the moon when the moon looks like a thin sliver (less than half of the moon's nearside is sunlit).

a)

crescent

b)

gibbous

c)

full

d)

new

26.

This is the phase of the moon where NONE of the moon's nearside is sunlit.

a)

crescent

b)

gibbous

c)

full moon

d)

new moon

27.

This is the phase of the moon that looks ALMOST full.

a)

crescent

b)

gibbous

c)

full moon

d)

new moon

28.

Stars DO NOT twinkle in the sky; only planets twinkle in the sky.

a)

True

b)

False

29.

Which planet is closest to Earth in size?

a)

Mercury

b)

Uranus

c)

Venus

d)

Mars

30.
Which planet in our solar system is closest to the Sun?
a)
Earth
b)
Jupiter
c)
Mercury
d)
Saturn
31.

Which of the following is an accurate model of how the Sun, Earth, and Moon move?

a)

Sun and moon orbit Earth

b)

Earth and moon orbit Sun

c)

Earth orbits the Sun and the moon orbits Earth

d)

Earth and sun orbit moon

32.
What planet is eighth in the Solar System?
a)
Uranus
b)
Jupiter
c)
Neptune
d)
Mars
33.
Earth and the other planets closest to the Sun are made mostly of _______
a)
gas
b)
metal
c)
water
d)
rock
34.
Which is the largest object in our solar system?
a)
Sun
b)
Jupiter
c)
Earth
d)
Pluto
35.
A ball of ice and dust with a tail of gas and dust pointing away from the sun.
a)
Asteroid
b)
Comet
c)
Moon
d)
Meteor
36.
Which is the second closest planet to the sun?
a)
Earth
b)
Saturn
c)
Venus
d)
Mercury
37.
Which planet is third from the sun?
a)
Mars
b)
Pluto
c)
Venus
d)
Earth
38.

Which planet is NOT one of the

"Gas Giants"?

a)

Uranus

b)

Venus

c)

Neptune

d)

Saturn

39.

What is the largest planet in

our solar system?

a)

Neptune

b)

Jupiter

c)

Uranus

d)

Mars

40.
One full orbit of an object around another object is called a ________.
a)
axis
b)
rotation
c)
revolution
d)
satellite
41.
Select the order from smallest to largest.
a)
Sun, Milky Way, solar system, universe
b)
Sun, Milky Way, universe, solar system
c)
Sun, solar system, Milky Way, universe
d)
Sun, solar system, universe, Milky Way
42.
Day and night is caused by the _____________ of earth on its axis.
a)
revolution
b)
orbit
c)
rotation
43.

Which outer planets have rings?

a)

Just Saturn

b)

Saturn and Jupiter

c)

Jupiter, Neptune, and Saturn

d)

all 4 of the outer planets

44.
Which planet is the hottest planet?
a)
Mercury
b)
Mars
c)
Venus
d)
Saturn
45.

This table shows the rotation period and revolution period for 6 planets, and Earth’s moon, all relative to Earth’s periods. Which 2 planets have shorter days than Earth?

a)

Jupiter and Saturn

b)

Venus and Mercury

c)

Mars and Jupiter

d)

Saturn and Moon

46.

How long ago was our solar system formed?

a)

10 million years ago

b)

4.6 million years ago

c)

4.6 billion years ago

d)

2 billion years ago

47.

a small rocky body orbiting the sun, ranging from the size of a small house to dust particles

a)

nebula

b)

terrestrial planets

c)

collision

d)

asteroids

48.

the astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System.

a)

Aristarchus

b)

accretion

c)

nebula

d)

heliocentric system

49.

a large planet composed mostly of gases, such as hydrogen and helium, with a relatively small rocky core. The gas giants of our solar system are Jupiter, Saturn, Uranus and Neptune

a)

terrestrial planets

b)

planetesimals

c)

nebula

d)

gas giant planets

50.

Which planet is the first (1st) from the Sun?

a)
b)
c)
d)
51.

Which planet is the second (2nd) from the Sun?

a)
b)
c)
d)
52.

Which planet is the third (3rd) from the Sun?

a)
b)
c)
d)
53.

Which planet is the fifth (5th) from the Sun?

a)
b)
c)
d)
54.

Which planet is the sixth (6th) from the Sun?

a)
b)
c)
d)
55.

Which planet is the seventh (7th) from the Sun?

a)
b)
c)
d)
56.

Which planet is the eighth (8th) from the Sun?

a)
b)
c)
d)
57.

Which planet is the fourth (4th) from the Sun?

a)
b)
c)
d)
58.

What is the center of our Solar System?

a)
b)
c)
d)
59.

What separates the inner planets from the outer planets?

a)
b)
c)
d)
60.

All planets in our solar system are the same size.

a)

true

b)

false

61.

Choose the largest planet in our solar system.

a)

Jupiter

b)

Neptune

c)

Mercury

d)

Earth

62.

Choose components of our solar system.

a)

planets

b)

moons

c)

asteroids

d)

comets

e)

sun

63.

Choose the third planet in the solar system.

a)

Jupter

b)

Neptune

c)

Mars

d)

Earth

64.

Name the star closest to Earth.

a)

Polaris

b)

Sun

c)

Vega

d)

Alpha Centauri

65.

Choose the smallest planet in our solar system.

a)

Mercury

b)

Venus

c)

Europa

d)

Earth

66.

Choose the planet in our solar system that rotates on its side.

a)

Jupiter

b)

Neptune

c)

Uranus

d)

Earth

67.

Choose the planet closest to the sun.

a)

Neptune

b)

Mercury

c)

Earth

d)

Pluto

68.

Choose the planet closest in size to Earth.

a)

Mars

b)

Jupiter

c)

the moon

d)

the sun

69.

Mars is often called __________ due to rust in rocks.

a)

Red Planet

b)

Blue Planet

c)

Green Planet

d)

Orange Planet

70.

How many stars are in our Solar System?

a)

Billions

b)

1

c)

5,000

d)

8

71.

Which of these planets is the farthest from the sun?

a)

Mercury

b)

Earth

c)

Neptune

d)

Jupiter

72.

Which is the largest planet in our Solar System?

a)

Saturn

b)

Neptune

c)

Earth

d)

Jupiter

73.

Which planet is sometimes called the "red planet"?

a)

Jupiter

b)

Mercury

c)

Mars

d)

Uranus

74.

Which of these sets of planets are terrestrial planets?

a)

Mercury, Saturn, Mars, Venus

b)

Mars, Earth, Venus, Mercury

c)

Earth, Mars, Neptune, Jupiter

d)

Venus, Mercury, Earth, Uranus

75.

What is in our Solar System?

a)

Planets

b)

Moons

c)

Sun

d)

All of the above

76.

Which planet is the hottest in the Solar System?

a)

Earth

b)

Mercury

c)

Venus

d)

Mars

77.

Which planet is the sixth from the sun?

a)

Venus

b)

Jupiter

c)

Uranus

d)

Saturn

78.

Which planet has the Big Red Spot?

a)

Jupiter

b)

Saturn

c)

Mars

d)

Neptune

79.

Which planet is Earth's sister planet?

a)

Neptune

b)

Mars

c)

Venus

d)

Saturn

80.

About how many days does it take to revolve around the sun on Earth?

a)

30

b)

365

c)

24

d)

1

81.

Which planet is third from the sun?

a)

Venus

b)

Mars

c)

Jupiter

d)

Earth

82.

The correct term for the way Earth spins on it's axis is ___?

a)

rotate

b)

revolve

c)

year

d)

rings

83.

Some sources say Uranus is not a gas giant, but an ________ instead.

a)

red giant

b)

dwarf planet

c)

ice giant

d)

sister planet

84.

Which planet was named after the messenger of Roman gods?

a)

Mars

b)

Saturn

c)

Earth

d)

Mercury

85.

When Earth spins, it turns around an imaginary line called a(n)

a)

rotation

b)

axis

c)

orbit

d)

ellipse

86.

Anthony claims that the patterns of stars in the sky only appear to move, but the patterns do not change. Which piece(s) of evidence would best support this claim?

a)

observations that some stars can be seen in every season

b)

Observations that the pattern of stars in the sky stay the same although they appear to shift across the sky nightly.

c)

Observations that different stars appear in different seasons, but the patterns of the stars remain the same.

87.

A ____ is a huge system of gas, dust, stars, and objects orbiting stars that is held together by the force of gravity.

a)

galaxy

b)

comet

c)

meteor

d)

gas giant

88.

Which planet is an inner planet?

a)

Uranus

b)

Venus

c)

Saturn

d)

Neptune

89.

Which planet is the solar system's largest rocky planet?

a)

Mars

b)

Earth

c)

Mercury

d)

Jupiter

90.

Which choice best describes the parts of the Milky Way?

a)

Earth, its moon, the sun, and Jupiter

b)

Gas, dust, stars, and objects that orbit stars

c)

Asteroids, comets, objects that orbit stars, and the stars

d)

The inner planets, the outer planets, gas, and dust

91.

Which list shows the correct order of planets from the sun?

a)

Mercury, Venus, Earth, Mars

b)

Earth, Mars, Venus, Jupiter

c)

Mars, Venus, Earth, Saturn

d)

Uranus, Jupiter, Neptune, Saturn

92.

Brianna and Mari want to develop a model of how Earth moves in space. In their model, Brianna will represent Earth and Mari will represent the sun. Which of the following should NOT be part of Brianna and Mari's model?

a)

Brianna walks in a circle around Mari.

b)

Brianna spins in circles.

c)

Mari stands still.

d)

Mari walks in a circle around Brianna.

93.

Which is an object in the solar system that is a frozen mass of ice and dust?

a)

an asteroid

b)

a comet

c)

a moon

d)

a planet

94.

What do Jupiter, Saturn, Uranus, and Neptune have in common?

a)

They all have rocky surfaces.

b)

They all appear to be similar to Earth.

c)

They all are gaseous planets.

d)

They all appear to be made of rock and ice.

95.

Why does the sun seem to change position in the sky?

a)

Earth's rotation

b)

Earth's orbit

c)

The sun's rotation

d)

The sun's orbit

96.

Which list shows in correct order the fewest stars to the greatest number of stars?

a)

Our solar system, the universe, the Milky Way Galaxy

b)

The universe, the Milky Way Galaxy, our solar system

c)

Our solar system, the Milky Way Galaxy, the universe

d)

The Milky Way Galaxy, our solar system, the universe

97.

What causes it to appear as if the sun rises and sets each day?

a)

Earth's gravity

b)

The spinning motion of Earth

c)

The revolution of the Earth around the sun

d)

Earth's distance from the sun

98.

The picture shows a tree and its shadow at two different times of day.

Which sentence explains why the shadow changes?

a)

As Earth rotates, the sun is lower in the sky in the morning.

b)

As Earth rotates, the sun is higher in the sky in the morning.

c)

As the sun rotates, it is lower in the sky in the morning.

d)

As the sun rotates, it is higher in the sky in the morning.

99.

Chris is learning about Earth's movement in science class. He records some information in a chart about Earth's movement.

What information in Chris's chart is in the WRONG row of the table?

a)

Causes day and night

b)

Cause shadows to change

c)

Causes change in seasons

d)

Causes sunrise and sunset

100.

Look at the picture of the moon.

What will the moon look like in approximately 14 days?

a)

New Moon

b)

1st Quarter Moon

c)

3rd Quarter Moon

d)

Full Moon

101.

Dylan observes a fully lit moon. When can he expect to see the moon look like this again?

a)

In about 12 hours

b)

In about 24 hours

c)

In about 15 days

d)

In about 30 days

102.

Markos observed the image of the moon above. He is curious to know what the moon looked like several nights before. Which best describes the shape of the moon that occurred BEFORE Markos observed the moon phase below?

a)

The moon looked exactly the same.

b)

The moon was a full moon (brightly lit circle).

c)

The moon was more than half lit on the right side.

d)

The moon was less than half lit on the right side.

103.

Diego sent a map of constellations visible in Florida to his cousin in the Southern Hemisphere. His cousin said he could not use the map. Why couldn’t he?

a)

The stars on the map can only be seen in Florida.

b)

The stars on the map can only be seen in the Northern Hemisphere.

c)

There are no constellations visible from the Southern Hemisphere.

d)

The constellations change shape as you move from north to south.

104.
Which planet is the hottest?
a)
Earth
b)
Neptune
c)
Mercury
d)
Venus
105.
Which planet is closest to the sun?
a)
Uranus
b)
Mercury
c)
Neptune
d)
Earth
106.
What holds the planets in their orbits around the sun?
a)
gravity
b)
speed
c)
string
d)
air currents
107.

Where is the Asteroid Belt located in the Solar System?

a)

near Neptune

b)

between Mercury and Venus

c)

between Mars and Jupiter

d)

around the Sun

108.
A ball of ice and dust with a tail of gas and dust pointing away from the sun.
a)
Asteroid
b)
Comet
c)
Moon
d)
Meteor
109.
The inner planets are called terrestrial planets because they are composed of
a)
water
b)
gas
c)
frozen surfaces
d)
rocks
110.
Which planet is tipped on its side nearly 90 degrees?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
111.
Which planet has a giant red spot?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
112.
What model of the solar system states the sun is the center
a)
Geocentric Model
b)
Heliocentric model
c)
Biocentric modal
d)
Hydrocentric  model
113.
What model of the solar system states the earth is the center
a)
Geocentric Model
b)
Heliocentric model
c)
Biocentric modal
d)
Hydrocentric  model
114.

Which of these has the strongest gravitational field?

a)

sun

b)

earth

c)

saturn

d)

jupiter

115.

What is a meteoroid that has hit Earth's surface?

a)

Meteor

b)

Asteroid

c)

Comet

d)

Meteorite

116.
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
117.
The particles of the corona extends into space for millions of kilometers and spreads into streams of electrically charged particles called:
a)
coronal discharge
b)
solar flares
c)
coronal ejection
d)
solar winds
118.
Areas of gas on the sun's surface that are cooler than gases around them are called:
a)
corona
b)
prominences
c)
sunspots
d)
solarspots
119.
When prominences erupt into space releasing gas and energy we call this: 
a)
solar winds
b)
coronal outburst
c)
solar flares
d)
auroras
120.

What is the solar system?

a)

The sun

b)

The planets

c)

The sun and planets ONLY

d)

The sun, planets, and all other objects that orbit the sun

121.

What is the center of our solar system?

a)

The sun

b)

Earth

c)

Jupiter

d)

Saturn

122.

Which planet is the closest to our sun?

a)

Mars

b)

Earth

c)

Mercury

d)

Venus

123.

Which planet is the farthest away from our sun?

a)

Mars

b)

Jupiter

c)

Neptune

d)

Uranus

124.

Why do the planets orbit the sun?

a)

They don't, the planets orbit the Earth

b)

Because Science

c)

The sun is so massive that it has a very large gravitational pull, which causes objects to orbit it

d)

Because they want to

125.

Is Pluto still considered a planet?

a)

Yes, Pluto is still a planet because it still orbits the sun

b)

Yes, Pluto is considered a planet because it is big enough to be a planet

c)

No, pluto is not considered a planet because it is too small, and it its orbit is affected by another star

d)

No, because pluto does not have any moons.

126.

Our Solar System_________

a)

Is an arrangement of 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 and is mostly empty space

127.

One AU stands for Astronomical Unit. An Astronomical Unit (AU) is the distance between The Sun and the Earth, or 150 million meters. If Jupiter is 5 AU away from the Sun, how far way is Jupiter from the sun in Meters?

a)

5 million meters away from the sun

b)

1000 million meters away from the sun

c)

750 million meters away from the sun

d)

7500 million meters away from the sun

128.

T/F: the sun is the biggest star in our galaxy

a)

True, that is why we have the only solar system

b)

False, there are much bigger stars than our sun

129.

T/F: The definition for what a planet is has never changed

a)

True, what makes a planet a planet has always been the same

b)

False, the standards for what makes a planet a planet has changed several times

130.

If Earth is 1 AU away from the sun, and Neptune is 30 AU away from the sun, what does this mean?

a)

Neptune is 30 years older than the Earth

b)

Neptune is 30 times larger than Earth

c)

Neptune is 30 times farther away from the sun than the Earth

131.

Why do scientists use scale to study the Solar System?

a)

The solar system is too large to study without using scale

b)

The solar system is too small to study without using scale

c)

Scientists don't need to use scale because we have satelites

d)

All of the above

132.

What is scale?

a)

When scientists study objects that are really big or really small

b)

When scientists study an object that is made bigger or smaller than the real thing, without changing the mathematical proportions of its measurements

c)

When scientists weigh things

d)

When scientists study distance

133.

What is the terminator on the moon?

a)

The light side of the Moon

b)

The dark side of the Moon

c)

the border between light and dark on the Moon

d)

When the Moon casts a shadow on Earth

134.

What lunar features was Eric Wu asked to photograph for a magazine?

a)

Mountains

b)

Terminator

c)

Mars

d)

Craters

135.

Where does the moon get its light from?

a)

The moon makes its own light

b)

The moon gets light from Earth

c)

The Moon gets light from the sun

d)

None of the above

136.

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

137.

There's only 10 more days of school until winter break. How are you feeling?

a)

Excited

b)

Nervous

c)

Don't care

d)

None of the above

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