Inner planets
Solar System Theories
Outer planets
Comet, Asteroid, Meteor
Mixed bag
100

Daily Double!!! Which inner planet has 2 moons called Phobos and Deimos? 

Mars

100

What is a period of rotation? 

The period of time it takes for a planet to make one turn on its axis.

100

Daily Double!!!! What 2 elements make up the gas giants? 

helium and hydrogen

100

Which space body is generated from a large orbiting ring that is found between the inner and outer planets? 

asteroid

100

Daily Triple!!!What is a period of revolution? 

The time it takes for a planet to travel around the sun.

200

Which inner planet is the most crater object in the solar system due to its lack of atmosphere? 

Mercury

200

Daily Double!!!! It was originally believed the solar system revolved around what space object? 

Earth

200

What outer planet has tilted on its side and has a retrograde rotation? 

Uranus

200

Daily Double!!!Which space body is created in the distant Oort cloud and travels in long, elliptical orbits through the solar system? 

comet

200

The term for a small space body that brightens and burns in our atmosphere creating showers. 

meteors

300

Daily Double!!! What is a common about the inner planets in regard to their atmosphere? 

They have similar elements.

300

 Daily Quad!!!Johannes Kepler determined that the orbits of planets were different than early models of the solar system.  What was his contributed idea? 

The orbits were elliptical not circular.

300

Why are outer planets capable of holding onto large numbers of moons and ring systems? 

Large gravitational pull

300

Which space body comes in three forms based on location and is generally a smaller piece of space debris? 

meteor

300

Daily Quad!!!Why is Mars the most studied planet of our space programs? 

Because of its similarities to Earth. 

400

Why do the inner planets lack many moons and rings? 

Smaller gravitational force

400

Daily Triple!!What is Pluto's status now as a planet? 

Dwarf planet

400

What is the largest and holds the largest of the moons? 

Jupiter

400

Daily Double!!!Which space body is compose of rocky material and ice? 

comet

400

What is the theory that all the planets were created by a giant supernova that created a massive amount of debris that formed our solar system called? 

The Big Bang Theory

500

What makes Earth capable of possessing water in three distinct phases? 

It has an ideal temperature based on its position.

500

 Many people believe that Pluto's planetary status was changed due to its size.  What is the primary factor that lead to its removal from one of the major planets of the solar system?  

It overlaps the orbit of another planet.

500

What is alternative name for the outer planets?

gas giants

500

Which space bodies are mostly rock in large or small pieces? 

meteor/ asteroid

500

What is another term for inner planets? 

rocky or terrestrial planets