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Size and Distance of the Solar System

Total questions: 46

Worksheet time: 28mins

Name
Class
Date
1.

Based on your model, which group of planets is larger?

a)

Inner planets

b)

Outer planets

2.

According to your model, which planet is the largest out of the inner/terrestrial planets?

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

3.

According to your model, which planet is the smallest?

a)

Mercury

b)

Mars

c)

Earth

d)

Venus

4.

According to your model, is Saturn or Uranus bigger?

a)

Saturn

b)

Uranus

5.

According to your model, what is the largest planet?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

6.
How many outer planets are there?
a)
4
b)
8
c)
9
d)
20
7.
What planet is closest to the sun?
a)
Mercury
b)
Mars
c)
Venus
d)
Sun
8.
Which planet is considered Earth's twin?
a)
Venus
b)
Sun
c)
Moon
d)
Mars
9.
What is one thing Venus and Earth have in common?
a)
Almost the same size
b)
Toxic atmosphere
c)
Water
d)
All of the above
10.
Almost Earth’s twin in size and mass, this planet has very thick atmosphere.
a)
Venus
b)
Mars
c)
Mercury
d)
Neptune
11.
The surface of this planet appears red due to rusting iron in the rocks.
a)
Mercury
b)
Mars
c)
Pluto
d)
Venus
12.
Some scientists believe that this dwarf planet is actually a very large comet caught in a permanent orbit.
a)
Eris
b)
Pluto
c)
Mars
d)
Neptune
13.
Only planet known to have life
a)
Earth
b)
Mars
c)
Venus
d)
Mercury
14.

huge ball of very hot matter that gives off energy.

a)

sun

b)

planet

c)

moon

d)

asteroid

15.

What is the closest planet to the sun?

a)

Earth

b)

Mercury

c)

Venus

16.

A planet made up of mostly silicate rocks and metals is known as what?

a)

Gas giant

b)

Terrestrial planet

c)

Dwarf planet

17.

Which is the correct order of the planets from the sun?

a)

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

b)

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

c)

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

18.

What is the third largest planet?

a)

Uranus

b)

Earth

c)

Mercury

19.

What planet is two and a half times bigger than all the other planets combined?

a)

Uranus

b)

Saturn

c)

Jupiter

20.

What planet is similar in size to Earth?

a)

Mars

b)

Mercury

c)

Venus

21.

How many planets are there?

a)

5

b)

8

c)

10

22.
The inner planets are closer to the sun so
a)
they take longer to orbit the sun.
b)
they orbit the sun faster.
23.
The motion of a body orbiting another body in space is called _____.
a)
revolution 
b)
period of revolution
c)
rotation
d)
period of rotation
24.
Gas giants
a)
Inner planets
b)
Outer planets
c)
Both
d)
Venus
25.
Located between the inner and outer planets.
a)
Sun
b)
Asteroid belt
c)
Uranus
d)
Moons
26.
The spinning of an object on its axis is called______
a)
orbit
b)
rotation
c)
revolution
d)
tide
27.
The distance between the planets is all the same. 
a)
True
b)
False
28.
The distance is greater between the inner planets than the distance between the outer planets.
a)
True
b)
False
29.
One revolution on Earth equals
a)
one day
b)
one year
c)
one month
d)
one week
30.
The sun contains 99.9% of the mass of the entire solar system
a)
true
b)
false
31.
The largest planet in our solar system is...
a)
Uranus
b)
Jupiter
c)

Neptune
d)

Mercury
32.
The Great Red Spot is a storm in Jupiter's atmosphere. 
a)
True
b)
False
33.
Which planet is now classified as a dwarf planet?
a)
Mercury
b)
Mars
c)
Pluto
d)
Jupiter
34.
What is the hottest planet?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
35.
Which direction do the planets rotate the sun.
a)
Counterclockwise
b)
Clockwise
36.
What is an astronomical unit?
a)
distance between the moon and earth
b)
distance between the earth and pluto
c)
distance between the earth and sun
d)
distance between NJ and Cali
37.
Which movement creates day/night?
a)
rotation
b)
revolution
38.
What is a common characteristic of the inner  planets?
a)
Gaseous
b)
Distance between them is longer
c)
Rings
d)
Distance between them is shorter
39.
Which movement creates years?
a)
rotation
b)
revolution
40.

Which planet's surface is more than 70% water?

a)

Mercury

b)

Venus

c)

Earth

d)

Jupiter

41.
Venus is the hottest planet in our solar system.
a)
False
b)
True
42.
Venus's atmosphere is made primarily of 
a)
Nitrogen
b)
Sulfuric acid
c)
Carbon dioxide
d)
Heat
43.
The Earth acts like a greenhouse that catches and traps heat from the sun.
a)
true
b)
false
44.
What happens to the temperature if more greenhouse gases are released into the atmosphere?
a)
Temperature goes up
b)
Temperature goes down
45.

Which of the following gasses is a bad greenhouse gas

a)

H2O

b)

CO2

c)

C3PO

46.
Without the Greenhouse Effect the Earth would be
a)
warm 
b)
cold
c)
dead