Watu Graded Exam Signature

This graded Watu exam demonstrates free-tier grade bands and result feedback. Certificates are not available in the installed free plugin.

Core Six plus supported free-tier extensions.

1. What term names molten rock expelled by a volcano?

 
 
 
 

2. What force causes unsupported objects to fall toward Earth?

 
 
 
 

3. Which scientific law states that matter is neither created nor destroyed in a chemical reaction?

 
 
 
 

4. What is the most abundant gas in Earths atmosphere by volume?

 
 
 
 

5. In the water cycle, which process changes liquid water into water vapor?

 
 
 
 

6. Which rule correctly describes the force between two magnetic poles?

 
 
 
 

7. Which two of these are noble gases?

 
 
 
 

8. Sound travels faster through water than through air.