Welcome to the Knowledge Mouse Online Quiz
  
  
    science
  
  
  
  
    | Questions | 
    Answers | 
  
    
      | form of fresh water that is found under Earth's surface | 
      ground water | 
    
    
      | a placd where fresh water from a river mixes with salt water from the ocean | 
      estuary | 
    
    
      | the process by which a liquid changes into a gas | 
      evaporation | 
    
    
      | the changing of a gas into a liquid | 
      condensation | 
    
    
      | the water that falls to Earth as rain, snow, sleet or hail | 
      precipitation | 
    
    
      | the movement of water from Earth's surface into the air and back to the surgace again | 
      water cycle |