| Solar system | Solar System | 
|---|---|
| 
						
					 
					  What is the number of planets in our solar system?					 
					
					 Nine. 
					 | 
				
				
						
					 
					  What is a property of the Outer Planets?					 
					
					 They are gas planets. 
					 | 
						
| 
						
					 
					  What is the part of the atmosphere in which we live?					 
					
					 The Troposhere. 
					 | 
				
				
						
					 
					  What is the importance of ozone layers?					 
					
					 To protect us from UV rays. 
					 | 
						
| 
						
					 
					  What is a series of stars making a shape?					 
					
					 A constellation. 
					 | 
				
				
						
					 
					  How can one preserve the ozone layer?					 
					
					 By using less CFCs in our homes. 
					 | 
						
| 
						
					 
					  What are two characteristics of the Inner Planets.					 
					
					 They move faster than others and are rocky surfaces. 
					 | 
				
				
						
					 
					  How many number of phases of the moon are there?					 
					
					 Eight. 
					 | 
						
| 
						
					 
					  What are two factors that help planets orbit the sun.					 
					
					 Gravity and inertia. 
					 | 
				
				
						
					 
					  What is the planet with the most visible rings?					 
					
					 Saturn. 
					 |