Solar System

Which one of these qualities is NOT necessary for an object to be categorized a planet?

• Must orbit the sun.
• Must be massive enough to be nearly spherical in shape.
• Must have a gravitational pull great enough to pull in at least one moon.
• Must have no other large object in its orbital path.

How many planets are there in our solar system?

• 7
• 4
• 8
• 9

What orbits the sun and are nearly spherical in shape, but share an orbital path with other objects of similar size?

• Planet
• Asteroid 
• Dwarf Planet
• Moon

A moon is a natural satellite that orbits an object other than a star.

• True
• False 

Small, rocky, icy object that orbit the sun.

• Asteroid
• Comet
• meteroid 
• meteor

When does a meteoroid become a metorite?

• When it explodes
• When it orbits another planet
• When it impacts Earth
• When it decides to go to court to legally change its name.

Which one of the following is a dwarf planet

• Mars 
• Mercury
• Neptune
• Pluto

Which one of the following is not one of the inner planets?

• Neptune
• Earth
• Venus
• Mars