The solar system
Planets
Comets
Polar Auroras
Meteorite Impacts
100

This is also known as a natural satellite. 

What is a Moon?

100

The largest planet in the solar system.

What is Jupiter?

100

The parts of a comet. 

What is the tail, nucleus, and halo?

100

A stream of matter emitted by the sun. 

What is solar wind?

100

What is burned up in the atmosphere.

What is a meteor?

200

The celestial bodies of the solar system orbit this star.

What is the Sun?

200

The last gas giant. 

What is Neptune?

200

These parts of a comet appear when the comet is close to the sun. 

What is the halo and the tail?

200

The magnetic field that extends into outer space and forms a shield around Earth. 

What is the magnetosphere?

200

What reaches the Earth's surface.

What is a meteorite?

300

The force of attraction between 2 celestial objects. 

What is universal gravitation?

300

This is a desert planet with many craters.

What is Mercury?

300

The direction that the outermost part always faces.

What is away from the sun?

300

The name of the polar auroras in the North pole. 

What are the northern lights?

300

The holes that meteorites leave behind. 

What is a crater or astrobleme?

400

The 2 types of planets in the solar system.

What are terrestrial (rocky) and jovian (gaseous) planets?

400

This planet is visible at night because its atomsphere reflects a lot of the Sun's light. 

What is Venus?

400

What a comet is made of. (all parts)

What is rock, gas, ice and dust?

400

The part of the atmosphere where polar auroras are produced. 

What is the thermosphere?

400

Where most meteorites land.

What is the ocean?
500
What Pluto is now categorized as. 

What is a dwarf planet?

500

This planet is tilted at 98 degrees. 

What is Uranus?

500

What makes the parts of the comet visible near the sun.

What is solar wind?

500

Why polar auroras are produced. 

What is too much solar wind?

500

How many meteorite impacts there are in Quebec.

What is 3?