Solar System

What celestial body is made of ice and cosmic dust?

• Meteor
• Meteoroid
• Asteroid
• Comet

Which planet is the largest?

• Mercury
• Venus
• Earth
• Mars

Who stated the sun was the center of the solar system?

• Ptolemy
• Copernicus
• Kepler
• Galileo

What model of the solar system states the sun is the center

• Geocentric Model
• Heliocentric model
• Biocentric modal
• Hydrocentric  model

Put the planets in order from the sun.

• Mercury, Venus, Mars Earth, Jupiter, Saturn, Uranus, Neptune, Pluto
• Mercury, Venus, Earth, Mars, Jupiter, Sarturn, Neptune, Uranus, Pluto
• Mercury, Venus, Earth, Mars, Jupiter, Sarturn,  Uranus, Neptune,Pluto
• Mercury, Venus, Earth, Mars, Sarturn, Jupiter, Neptune, Uranus, Pluto

Which planet has very prominent rings?

• Jupiter
• Saturn
• Uranus
• Neptune

There is one star in our solar system.

• True
• False

What holds the planets in their orbits around the sun?

• gravity
• speed
• string
• air currents

Any object with mass has gravity.

• True
• Sometimes
• False
• Never

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass