The Solar System

A large rocky body in space, in orbit around the Sun

• Asteroid
• Comet
• Meteroid
• Meteorite

Much smaller rocks or particles in orbit around the Sun

• Meteoroid 
• Asteroid
• Comet
• Meteorite

A small rock from space that has hit the Earth's surface

• Meteoroid
• Asteroid
• Comet
• Meteroite

A small rock from space that has entered Earth's atmosphere ("a shooting star")

• Asteroid
• Comet
• Meteor
• Meteorite

An icy ball of dust and gas

• Comet
• Asteroid
• Meteor
• Planetesimal 

Which Jovian moon is a likely candidate for extraterrestrial life?

• Io
• Ganymede
• Callisto
• Europa

Where do comets most likely come from?

• Oort cloud
• Kuiper belt
• Asteroid belt
• Deep space

Can you name the planets from closest to the sun to the farthest away?

• Yes
• No

What is the geocentric model of the universe?

• Earth is the center of the solar system
• The sun is the center of the solar system

What is the heliocentric model of the universe?

• Earth is the center of the solar system
• The sun is the center of the solar system