The Solar System Test 1

Of or having to do with solid rock; name given to the four inner planets 

• Astronomy 
• Light Year
• Terrestrial
• Crater

A small, mostly rocky solar system object that orbits independently around the Sun

• Asteroid 
• Meteor
• Meteorite 
• Comet 

A small body of ice, rock and cosmic dust that gives off gas and dust in the form of a tail as it passes close to the sun 

• Meteor 
• Asteroid 
• Comet 
• Meteorite 

The streak of light that is produced when a meteoroid burns as it enters an atmosphere 

• Meteor
• Meteorite 
• Meteoroid 
• Comet 

A meteoroid that strikes a planet, moon or asteroid 

• Meteor
• Meteoroid 
• Meteorite 
• Asteroid 

A unit of measure equal to the average distance between Earth and the Sun 

• Astronomical Unit
• Light Year 
• Miles 
• Meters 

The belt between Mars and Jupiter

• Comets
• Asteroids
• Meteors
• Stars

The orbital period of a planet is longer the ____ it is from the sun

• farther
• closer
• it does not matter
• none of the above 

The orbital period of a planet is ____ the closer it is to the sun

• farther

• shorter

• It does not matter

• none of the above

What are comets made of?

• Ice and Dust 
• Ice and Metal 
• Dust and Rock 
• Dust and Metal