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                |  | 1. |   | Why do magnets attract? / 
                                
                                
                                by McMahon, Michael,
                                
				Publication:
                        Markham, Ont. : Scholastic, 2007
                        . 16 p. :
                        
                         23 cm.
                        
                
                Date:2007
				
                Availability:
                    
                    Copies available:
                    
                    
                        
                    
                    
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                |  | 2. |   | Why does thunder clap? : and other weatherwise questions /
                                
                                
                                by McMahon, Michael.
                                
				Publication:
                        Markham, Ont. : Scholastic, 2007
                        . 16 p. :
                        
                        
                        
                
                Date:2007
				
                Availability:
                    
                    Copies available:
                    
                    
                        
                    
                    
                    (1),
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                
				
				
				
				
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                |  | 3. |   | Why do the stars twinkle? : and other out-of-this-world questions /
                                
                                
                                by McMahon, Michael.
                                
				Publication:
                        Markham, Ont. : Scholastic, 2007
                        . 16 p. :
                        
                        
                        
                
                Date:2007
				
                Availability:
                    
                    Copies available:
                    
                    
                        
                    
                    
                    (1),
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                
				
				
				
				
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