Test Your Knowledge With This IQ Quiz


        
                    

                
            
    
        
            Results
            
            
            
                            
                                            
                            
                                
                            
                        
                                        
                                                    
                                            
                    
                        
                    
                
                    
            
#1. What makes balloons rise? 
        
            
                
                    
                    Barium
                
                Barium            
        
        
            
                
                    
                    Hydrogen
                
                Hydrogen            
        
        
            
                
                    
                    Calcium
                
                Calcium            
        
        
            
                
                    
                    Helium
                
                Helium            
        
Correct Answer: Helium



It’s not just regular air that makes balloons float—it’s helium!



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