Easy Reading
Hard Reading
100

It only snows in winter. I like to ski a lot then sip hot chocolate by the fire.

What can you learn from this?

It only snows in winter.

100

The third planet from the sun.

What is Earth?

200

Does Saturn have 67 moons?

No.

200

A hole which nobody can escape, even light can't escape it.

What is a black hole?

300

It's earth's natural satellite.

What is the moon?

400

It's made of rock, and mostly made of iron for most of it.

What is the moon made of?