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Outer Space Review

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

The four INNER PLANETS are... (CHOOSE ALL 4)

a)

Venus

b)

Earth

c)

Jupiter

d)

Mars

e)

Mercury

2.

True or False: The inner planets have rocky surfaces and are the closest to the Sun.

a)

True

b)

False

3.

Identify the 4 OUTER PLANETS (CHOOSE ALL 4)

a)

Mars

b)

Jupiter

c)

Saturn

d)

Uranus

e)

Neptune

4.

True or False: Outer Planets are also called gas giants, and they have liquid layers and solid cores

a)

True

b)

False

5.

The inner and outer planets are separated by...

a)

The Asteroid Belt

b)

Stars

c)

The Sun

d)

The Moon

6.

What is true about both planets and asteroids?

a)

They are round

b)

They have an atmosphere

c)

They revolve around the sun

d)

They have cleared everything around them

7.

Seasonal changes are primarily due to what?

a)

the rotation of the Earth on its axis.

b)

the gravitational pull of the moon on the Earth.

c)

the revolution of the moon around the Earth.

d)

the tilt of the Earth’s axis.

8.

What causes our day/night cycle on Earth?

a)

the gravitational pull of the moon on the Earth

b)

the revolution of the moon around the Earth

c)

the rotation of the Earth on its axis

d)

the tilt of the Earth’s axis

9.

Tides are primarily due to what?

a)

the rotation of the Earth on its axis.

b)

the gravitational pull of the moon on the Earth.

c)

the revolution of the moon around the Earth.

d)

the tilt of the Earth’s axis.

10.

Why can't we see a new moon?

a)

It's invisible

b)

It's hidden behind Venus

c)

It's in Earth's shadow

d)

The side of the moon that is dark faces the Earth. Sun is behind the moon

11.

What season is it in the northern hemisphere when the southern hemisphere is tilted towards the sun?

a)

spring

b)

summer

c)

fall

d)

winter

12.

The length of time it takes Earth to revolve once is called a ____.

a)

year

b)

season

c)

month

d)

day

13.

Why does the moon appear bright?

a)

it reflects light from the planets

b)

it absorbs light from the earth

c)

it has many volcanoes

d)

it reflects light from the sun

14.

What is the largest object in the solar system?

a)

sun

b)

earth

c)

jupiter

d)

the moon

15.

Which of the following object is closest to the earth?

a)

venus

b)

sun

c)

asteroid belt

d)

Saturn

16.

What is earth's natural satellite?

a)

the ISS

b)

Mars rover

c)

the moon

d)

the Hubble Space Telescope

17.

What holds the planets in orbit around the sun?

a)

ropes

b)

magnets

c)

gravity

d)

magic

18.

The Earth revolves around...

a)

Moon

b)

Sun

c)

Mars

d)

Jupiter

19.

What is the sun?

a)

Planet

b)

Star

20.

Is this the correct order of the moon phases? New Moon, Waxing Crescent, First quarter, Waxing gibbous, Full moon, Waning Gibbous, Last Quarter, and Waning Crescent

a)

True

b)

False

21.
The spinning of an object on its axis is called______
a)
orbit
b)
rotation
c)
revolution
d)
tide
22.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
23.
The name of our galaxy is the
a)
Andromeda
b)
Milky Way
c)
Magellan
d)
Whirlpool
24.
There are other galaxies besides ours.
a)
True
b)
False
25.
We have discovered ___ of galaxies.
a)
hundreds
b)
millions
c)
billions
26.

How confident do you feel about your knowledge of Outer Space?

a)

100%. I could work for NASA

b)

75%. I've mostly got it!

c)

50%. I think I understand most of it, but I need to study more.

d)

25%. I really need to study hard to be prepared.