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Astro IGCSE

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.
What is the Moon?
a)
It is a planet
b)
It is a satellite
c)
It is a star
d)
It is a comet
2.
What is the Sun?
a)
It is a satellite
b)
It is a Star
c)
It is a comet
d)
It is a planet
3.
How many planets are there in the Solar System?
a)
eight
b)
three
c)
nine
d)
ten
4.

Galaxies are:

a)

gropus of Asteroids

b)

Groups of planets

c)

Groups of stars, gas and dust.

d)

Group of satellites

5.
What is this?
a)
satellite
b)
planets
c)
stars
d)
sun
6.

Mercury is the smallest planet in the Solar System.

a)

True

b)

False

7.

These planets are the?

a)

Inner(Rocky) planets

b)

Outer(Gas Giants) planets

8.

What planets are these?

a)

Inner(Rocky) Planets

b)

Outer(Gas Giants) Planets

9.
There is one star in our solar system.
a)
True
b)
False
10.
Where is our solar system located in the Milky Way
a)
At the center
b)
Near the center
c)
On a spiral arm
d)
Outside the galaxy
11.
Put the planets in order from the sun.
a)
Mercury, Venus, Mars Earth, Jupiter, Saturn, Uranus, Neptune, Pluto
b)
Mercury, Venus, Earth, Mars, Jupiter, Sarturn, Neptune, Uranus, Pluto
c)
Mercury, Venus, Earth, Mars, Jupiter, Sarturn,  Uranus, Neptune,Pluto
d)
Mercury, Venus, Earth, Mars, Sarturn, Jupiter, Neptune, Uranus, Pluto
12.

What spiral galaxy do we live in?

a)

Andromeda Galaxy

b)

Dwarf Galaxy Saggitarius

c)

Milky Way Galaxy

d)

Snickers Galaxy

13.

What force keeps the arms of the Milky Way spinning around its center?

a)

The strong force

b)

Friction

c)

Gravity

14.

The Sun is the biggest star in the sky.

a)

True

b)

False

15.

Why do other stars appear so much smaller than the sun?

a)

They are really close.

b)

They are so far away.

c)

They are tiny stars.

16.

How many stars are in the Milky Way Galaxy?

a)

tens of millions

b)

hundreds of millions

c)

tens of billions

d)

hundreds of billions