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Transportation

Transportation

• How do airplanes fly?
  
  
• How do hot air balloons work?
  
  
• How does a car work?
  
  
• How do train tracks work?
  
  
• Why do boats float instead of sink?
  
  
• How do brakes work?
  
  
• What's the difference between a jet and an airplane?
  
  
• Why do some airplanes leave a white line in the sky?
  
  
• Who were the Wright Brothers?
  
  
• How does a bicycle work?
  
  
• How do helicopters work?
  
  
• Why do cement trucks turn?
  
  
• Why are school buses yellow?
  
  
• What is a caboose?
  
  
• How does a car horn work?
  
  
• Why are traffic lights green, yellow, and red?
  
  
• Why do some ships have sails?
  
  
• Why do stop signs have eight sides?