Earth
Stars
Planets
100

This is the number of continents on Earth.

What is 7?

100

This is the closest star to us.

What is the Sun?

100

The number of planets in the Solar System.

What is 8?

200

Earth has this many moons.

What is 1?

200

Stars are made of this.

What is hot gas?

200

This planet is known for its many rings.

What is Saturn?

300

Giant tortoises enhabit these islands.

What are the Galapagos Islands?

300

These are the shapes that stars make in the sky.

What are constellations?

300

This object was considered a planet, but is not any more.

What is Pluto?

400

The Earth has existed for around this many years.

What is 4.5 billion years?

400

These objects are so massive that even light cannot escape their gravity.

What are black holes?

400

This is the largest planet in the Solar System.

What is Jupiter?

500

Earth takes this long to orbit the Sun.

What is 365 days?

500

This is how most stars die.

What is a supernova (giant explosion)?

500

This is the planet humans will travel to first.

What is Mars?