Solar System

A __________ is a chunk of ice & dust that has a bright head & a long narrow tail.

• asteroid
• planet
• meteoroid
• comet

The ______is between the orbits of Mars & Jupiter.

• solar system
• asteroid belt
• terrestrial planets
• photosphere

The four terrestrial planets are known for their _________

• hot temps
• deep atmospheres
• rocky surfaces
• large size

A force of attraction between any two objects is called _____________.

• static electricity 
• rotation
• gravity
• orbit

Earth completes one full ___________ on its axis every 24 hours.

• rotation
• revolution
• resolution
• reservation 

The _______ is between the orbits of Mars and Jupiter. 

• Oort Cloud
• Asteroid belt
• Kuiper belt
• Photosphere

A giant sphere of glowing gases is a ___________

• Galaxy
• Light-year
• Star
• Magnitude

Mercury, Venus, Earth and Jupiter are the inner planets

• True
• False

Which of the following causes seasons?

• the earths tilt
• the earths rotation
• the earths revolution around the sun
• the earths size 

Earth and the other planets closest to the Sun are made mostly of _______

• gas
• metal
• water
• rock