Planets
The Sun
The Milky Way
Asteroids, meteors, and comets
How The Universe Was Created
100

This is the biggest planet in our solar system.

What is Jupiter?

100

The sun is a type of star.

What is a yellow dwarf?

100

The Milky way is a shape.

What is a spiral galaxy?

100

These rocky objects mostly orbit Mars and Jupiter.

What are asteroids?

100

This is the scientific name for the beginning of the universe.

What is the Big Bang?

200

This is used to separate planets from each other.

What are inner rocky planets and outer gas/ice giants?

200

The sun is mostly made up of gas.

Wha is hydrogen?

200

The center of the Milky Way contains something.

What is a black hole?

200

A meteor that burns up when it enters Earth's atmosphere is called this.

What is a meteorite?

200

The universe is currently doing this.

What is expanding?

300

This is the closest plant to the Sun.

What is Mercury?

300

The sun's energy comes from this process.

What is nuclear fusion?

300

There is a lot of stars in the Milky Way.

What is a billion?

300

A meteor that burns up in Earth's atmosphere shines and resembles this.

What is a shooting star?

300

This is approximately how old the universe is.

What is about 13.8 billion years?

400
This planet is the hottest in our solar system.

What is Venus?

400

The sun is mostly made up of two gases.

What is hydrogen and helium?

400

This is the name of our galaxy.

What is Milky Way?

400

These icy bodies are called this.

What is a "dirty snowball"?
400
Elements like hydrogen and helium were created during this early phase.

What is Big Bang nucleosynthesis?

500

This is the only planet that supports life.

What is Earth?

500

The Sun's surface is how hot?

About 5,500 degrees Celsius
500

Our solar system is located here in the Milky Way.

What is its spiral arm?

500

The largest asteroid belt is found between these two planets.

What are Mars and Jupiter?

500

This is how the Big Bang started out as.

What is a small, hot, dense point?