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The Solar System

Total questions: 56

Worksheet time: 28mins

Name
Class
Date
1.
The __________ has planets, moons, comets, and asteroids.
a)
solar system
b)
earth
c)
rotation
d)
United States
2.
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
3.
One of the main differences between the outer and inner planets is __________.
a)
The inner planets all have water
b)
the inner planets are much bigger than the outer planets
c)
the outer planets are gas planets
d)
the inner planets have rings, and the outer planets don't
4.
Which factor makes Earth different from all the other planets in the solar system in its ability to support life? 
a)
The Earth is exposed to rays from the sun. 
b)
The Earth has only one moon that orbits around it. 
c)
The Earth rotates in an elliptical orbit around the sun. 
d)
The Earth has a breathable atmosphere. 
5.
Which planet is an INNER planet?
a)
Jupiter
b)
Mars
c)
Uranus 
d)
Neptune
6.
Which planet is an Outer planet?
a)
Earth
b)
Mercury
c)
Saturn
d)
Venus
7.
All of Earth experiences night at the same time.
a)
True
b)
False
8.
Which planet has the shortest orbit around the sun?
a)
Earth
b)
Mercury
c)
Saturn
d)
Neptune
9.
What is the correct order of the inner planets?
a)
Jupiter, Saturn, Uranus, Neptune
b)
Mercury, Venus, Earth, Mars
c)
Mercury, Earth, Mars, Venus
d)
Jupiter, Mars, Uranus, Neptune
10.
Marc uses a softball to model moon phases in his darkened classroom by turning in a swivel chair placed next to a lamp.  At times, Marc's body is between the lamp and the softball.  At other times, the softball is between Marc and the lamp.  Based on this info, which of the following is true?
a)
Marc represents the sun and the chair represents the Earth.
b)
Marc represents Earth, the softball represents the moon, and the lamp represents the sun.
c)
Marc's turning represents Earth's orbit around the sun.
11.
Put the planets in order, smallest to largest.
a)
Neptune, Jupiter, Uranus, Mars, Mercury, Saturn, Earth, Venus
b)
Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars Mercury
c)
Mars, Mercury, Earth, Venus, Uranus, Neptune, Saturn, Jupiter
d)
Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, Jupiter
12.
A small body that orbits a planet is a(n)
a)
comet
b)
moon
c)
asteroid
d)
exoplanet
13.
Nebula's are mixtures of gases and what?
a)
clouds
b)
stars
c)
tiny particles
d)
dust
14.

What is at the center of our Solar System and also the largest object in it?

a)

Earth

b)

Jupiter

c)

The Sun

d)

The Moon

15.

What is the closest planet to the Sun?

a)

Venus

b)

Mercury

c)

Earth

d)

Mars

16.

Which planet takes the longest to revolve around the Sun?

a)

Earth

b)

Jupiter

c)

Uranus

d)

Neptune

17.

Which planet is the largest?

a)

Saturn

b)

Jupiter

c)

The Sun

d)

Earth

18.

How big is the Sun compared to other stars?

a)

It is a small star.

b)

It is an average size star.

c)

It is a very large star.

19.

The Sun revolves around the Earth.

a)

True

b)

False

20.

Which one of the following is a dwarf planet?

a)

Mercury

b)

Venus

c)

Pluto

d)

Mars

21.

Click on all of the following planets that have at least 1 moon.

a)

Venus

b)

Earth

c)

Mars

d)

Mercury

22.

What is the order of the planets from the Sun?

a)

Venus, Mercury, Earth, Mars, Saturn, Jupiter, Uranus, Neptune

b)

Mercury, Venus, Earth, Mars, Neptune, Uranus, Saturn, Jupiter

c)

Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, Mercury

d)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

23.

How many planets are there in our Solar System?

a)

7

b)

8

c)

6

d)

9

24.

Click on all of the planets that are rocky.

a)

Earth

b)

Saturn

c)

Mars

d)

Venus

e)

Neptune

25.

What is the main gas that makes up the Sun?

a)

Hydrogen

b)

Helium

c)

Oxygen

d)

Nitrogen

26.

Earth is the _____ planet from the sun?

a)

First

b)

Second

c)

Third

d)

Last

27.

Which is the hottest planet?

a)

Venus

b)

Mercury

c)

Uranus

d)

Neptune

28.

Which is the smallest planet?

a)

Neptune

b)

Earth

c)

Mercury

d)

Jupiter

29.

Which planet has the most visible rings?

a)

Neptune

b)

Saturn

c)

Jupiter

d)

Uranus

30.

Why is Pluto not a planet?

a)

It is too small.

b)

It cannot clear its own atmosphere.

c)

There are many other dwarf planets the same size as Pluto.

d)

All of the above

31.

Which planet is made up of mostly liquid water?

a)

Neptune

b)

Uranus

c)

Earth

32.

There is evidence that there used to be _________ on Mars?

a)

Water

b)

Dust

c)

Rocks

33.

Which is the coldest planet?

a)

Earth

b)

Uranus

c)

Neptune

d)

Venus

34.

Which is the farthest planet from the sun?

a)

Earth

b)

Mercury

c)

Uranus

d)

Neptune

35.

Which is the only planet that supports LIFE?

a)

Earth

b)

Mars

c)

Neptune

d)

Jupiter

36.
One full orbit of an object around another object is called a ________.
a)
axis
b)
rotation
c)
revolution
d)
satellite
37.
Which is the largest object in our solar system?
a)
Sun
b)
Jupiter
c)
Earth
d)
Pluto
38.

This planet is the same size as Earth and is the brightest of all planets.

a)

Jupiter

b)

Saturn

c)

Venus

d)

Mars

39.
Which object has the most gravity?
a)
Earth
b)
moon
c)
Jupiter
d)
sun
40.

How many days does it take the Earth to revolve around the Sun?

a)

30 days

b)

365 days

c)

100 days

d)

40 days

41.
What are the rings of Saturn made of?
a)
Rocks and Dust
b)
Rock, Frozen gases, Ice crystals, and water
c)
Ice Crystals
d)
Stars
42.
Which planet is the only planets to spin on its side?
a)
Earth
b)
Neptune
c)
Jupiter
d)
Uranus
43.
A small, icy body that orbits the Sun. Is made of a main body and a tail.
a)
Asteroid
b)
Comet
c)
Meteor
d)
Meteoroid
44.
A chunk of rock that burns up upon entering a planet's atmosphere
a)
Comet
b)
Meteor
c)
Meteoroid
d)
Asteroid
45.
Complete the analogy. Planet is to Earth, as satellite is to:
a)
star
b)
sun
c)
moon
d)
asteroid
46.
This picture shows the path Earth takes as it moves around the sun. What is the path called?
a)
a constellation
b)
a moon
c)
an orbit
d)
a planet
47.
A group of stars forms a pattern. What is this pattern called?
a)
a solar system
b)
a constellation
c)
a ball of hot gases
d)
a planet
48.
Compared to Earth, does Saturn take a longer or shorter amount of time to orbit the sun?
a)
longer
b)
shorter
49.
It takes the Earth 365 1/4 days to make one what?
a)
rotation
b)
revolution 
c)
resolution 
d)
circle
50.
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 orbit's the Sun and the moon orbits Earth
d)
Earth and sun orbit moon
51.
All of the following are true about the Sun 
EXCEPT 
a)
the Sun makes the light we see
b)
the heat from the Sun is reflected from Moon to the Earth
c)
sunlight is Earth’s primary source of energy
52.
What is the fourth planet from the Sun?
a)
Earth
b)
Mars
c)
Jupiter
d)
Mercury
53.
Complete the analogy. Oceanographer is to ocean, as astronomer is to:
a)
animals
b)
rocks and minerals
c)
maps
d)
space
54.
What is the nickname of Mercury, Venus, Earth, and Mars?
a)
rocky planets
b)
rock stars
c)
first four
d)
final four
55.
Do you think dwarf planets are important?
a)
Yes, They are leftovers from the formation of the solar system.
b)
No. They don't mean anything.
c)
None of the above.
d)
All of the above
56.

In a complete sentence name three physical features of the Earth?

a)

The Earth is made of 75% water

b)

The Earth has life form

c)

The Earth is the third planet from the Sun.

d)

All of these are correct.

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