How Does the Ozone Layer Change over Time?
ES1708  Calculating Ozone Hole Size

  !   For each year you recorded data, enter the length and width of the ozone hole into the appropriate fields on the left, then click "Calculate" to find the total area of the ozone hole.

 

 
   

7. Calculate and record the area of the ozone hole for each year displayed.

  
    


	

 	

		
			
	

	
	

		 
		 	 Step:
		 		
		           
			     
				    
				    
						
	                 	
						 1 
						
		           
			     
				    
				    
						
	                 	
						 2 
						
		           
			     
				    
				    
						
	                 	
						 3 
						
		           
			     
				    
				    
						
	                 	
						 4 
						
		           
			     
				    
				    
						
	                 	
						 5 
						
		           
			     
				   6
					
		           
			     
				    
				    
						
	                 	
						 7 
						
		           
			     
				    
				    
						
	                 	
						 8 
						
		           
			     
				    
				    
						
	                 	
						 9 
						
		           
			     
				    
				    	
						 10