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Ch. 21 Lesson 3 Quiz Review

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

What are the outer planets known as? (Not "Jovian")

a)

The rocky planets

b)

The gas giants

c)

The ice giants

d)

The dwarf planets

2.

What are the main gases that mostly make up the outer planets?

a)

Oxygen and nitrogen

b)

Carbon dioxide and argon

c)

Hydrogen and helium

d)

Silicon and iron

3.

"Gases change to ______ at high pressure."

a)

solids

b)

liquids

c)

ice

4.

All of the outer planets' have a core that is __________.

a)

a thick gas layer

b)

small and solid

c)

a large liquid ocean

d)

a large rocky crust

5.

Which is the largest outer planet?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

6.

What is the diameter of Jupiter compared to Earth?

a)

Half the diameter of Earth

b)

The same as the diameter of Earth

c)

11 times the diameter of Earth

d)

22 times the diameter of Earth

7.

How long is Jupiter's period of revolution?

a)

Almost 12 Earth days

b)

Almost 12 Earth months

c)

Almost 12 Earth years

d)

Less than 10 Earth hours

8.

Who discovered the four largest moons of Jupiter?

a)

Galileo

b)

Socrates

c)

Triton

d)

Plato

9.

Which planet is less dense, Jupiter or Saturn?

a)

Jupiter

b)

Saturn

c)

Both have the same density

d)

The density is not compared

10.

About how many moons does Saturn have?

a)

20 moons

b)

274 moons

c)

146 moons

d)

80 moons

11.

Which of Saturn's moons is the largest and has a dense atmosphere?

a)

Rhea

b)

Dione

c)

Iapetus

d)

Titan

12.

What is unique about Uranus's axis of rotation compared to other planets?

a)

It is perfectly vertical

b)

It rotates like a rolling ball

c)

It is tilted at a 45-degree angle

d)

It does not rotate

13.

What makes up Neptune's atmosphere?

a)

Mostly hydrogen and helium, with a little methane

b)

Mostly nitrogen and oxygen, with a little carbon dioxide

c)

Mostly carbon dioxide and ammonia, with a little neon

d)

Mostly oxygen and argon, with a little nitrogen

14.

How does Triton differ from other moons in the solar system?

a)

It has a surface of frozen oxygen

b)

It is the only moon with a dense atmosphere

c)

It has geysers that erupt nitrogen gas

d)

It is the largest moon in the solar system

15.

What are the Galilean moons?

a)

The moons of Mars

b)

The four largest moons of Jupiter

c)

The moons of Saturn

d)

The moons of Neptune

16.

Which outer planet is known for looking like a rolling ball on its tilted axis?

a)

Jupiter

b)

Saturn

c)

Neptune

d)

Uranus

17.

Which feature is associated with Jupiter?

a)

The largest rings in the solar system

b)

Geysers on its moon Triton erupt nitrogen gas

c)

Looks like a rolling ball on its tilted axis

d)

The largest planet in the solar system

18.

Which planet has a slushy layer?

a)

Neptune

b)

Jupiter

c)

Saturn

d)

Uranus