Crossword on Chapters 2 and 3

Crossword

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
  1       2               
 3                     
                    
 4                    5   
                    
6    7                    
    8           9      10   11    
                    
12                      
           13           
          14            
     15                 
    16                  
 17              18     19      
                    
        20              
 21                22       
 23                     
                24      
    25