The Sun
The Inner Planets
Outer Planets
Galaxies
Moons
100

What is the closest star to the Earth?

The Sun

100

This planet is closest to the sun.

Mercury

100

Which is the largest outer planet?

Jupiter

100

Our home galaxy is known as the __________ ______.

Milky Way

100

The largest moon is the solar system is:

Ganymede

200

How far away is the sun from the Earth?

150 million kilometers

200

Between Mars and Jupiter - Which planet has is closer to the sun?

Mars

200

This planet is known for its beautiful ring system

Saturn

200

What is at the centre of the galaxy?

A super massive black hole

200

The largest moon in the solar system belongs to what planetary system?

Jupiter

300
Over _______________ can fit inside the sun.

1 million

300

The inner planets are also called the _______ planets due to the composition on their cores.

Iron

300

This is the furthest planet from the sun.

Neptune

300

This massive galaxy is our one of our galactic neighbours.

Andromeda

300

Who discovered the first four moons of Jupiter?

Galileo

400

How does the sun power itself?

Nuclear fusion

400

Two of the inner planets do not have moons.  Name one.

Mercury

Venus

400

The outer planets are sometimes called _____ giants because of their composition as well as their size.

Gas

400

Name the three categories of galaxies

Spiral

Elliptical

Irregular

400

Titan belongs to which planetary system?

Saturn

500

The sun is mostly made up of which two elements?

Hydrogen and Helium

500

Which is the largest inner planet?

Earth

500

Name all four gas giants in order from closest to the sun to furthest away

Jupiter

Saturn

Uranus

Neptune

500

Our neighbourhood of galaxies are known as the _______ _________.

Local Group

500

Name the five largest moons in the solar system, from large to small

1. Ganymede

2. Titan

3.  Callisto

4.  Io 

5.  The Moon