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Planets and Moons

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

Which of these is NOT a natural satellite?

a)

Callisto

b)

Titan

c)

Amalthea

d)

Heracles

2.

How many planets are in our solar system?

a)

9

b)

8

c)

7

d)

11

3.

How many moons are in our solar system?

a)

173

b)

192

c)

181

d)

164

4.

How many moons are currently orbiting Jupiter?

a)

79

b)

61

c)

71

d)

82

5.

What is Pluto?

a)

Yellow dwarf

b)

Gas giant

c)

Dwarf planet

d)

Red dwarf

6.

What elements make up Jupiter's atmosphere?

a)

Hydrogen

b)

Methane

c)

Helium

d)

Freon

e)

Ammonia

7.

How many rings of Saturn are there?

a)

8

b)

6

c)

9

d)

7

8.

Choose TWO moons of Uranus

a)

Oberon

b)

Io

c)

Umbriel

d)

Mimas

9.

Which of these moon's surface is covered ice?

a)

Phobos

b)

Europa

c)

Hyperion

d)

Elara

10.

Which of these celestial bodies is the smallest?

a)

Venus

b)

Ganymede

c)

Titan

d)

Mercury

11.

Which of these elements is NOT found in Mercury's exosphere?

a)

Calcium

b)

Potassium

c)

Argon

d)

Oxygen

12.

Why isn't Venus' surface visible from space?

a)

Opaque clouds of sulfiric acid

b)

An extremely dense atmosphere made of carbon dioxide

c)

Intense solar winds

d)

Very high surface temperature

13.

What is the name of the highest peak in our solar system?

a)

Mauna Kea

b)

Mount Everest

c)

Boösaule Montes

d)

Olympus Mons

14.

Uranus is classified as what?

a)

Ice giant

b)

Gas giant

c)

Dwarf planet

d)

Lava planet

15.

What does the surface of Neptune consist of?

a)

A water-ammonia ocean

b)

A rocky mantle

c)

Ice

d)

Water