Universe/Solar System Review TRMS

Which planet exerts the greatest gravitational pull based only on its mass?

• Mercury
• Venus
• Neptune
• Jupiter

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 sun centered system of planets was developed by __________

• Galileo
• Ptolemy
• Copernicus
• Issac Newton

A _________ model of the planets is sun centered

• geocentric
• heliocentric
• sun
• Earth

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

• static electricity 
• rotation
• gravity
• orbit

How long does it take Earth to complete one revolution around the Sun?

• 24 hours
• one week
• one month
• one year

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

• rotation
• revolution
• resolution
• reservation 

Which is NOT an inner planet?

• Mercury
• Venus
• Earth
• Jupiter