Parts of a bike

This task is about parts of a bike.
 
Wheel Brake pads Bell Chain
Handle bar Seat Reflector Pedal
 
 
a)
Use the words from the box above to name the parts of this bicycle (there is one extra word).
 
b) Explain how you make a bike move when you pedal.

 
 
 
 
 
 
 
c) Explain how pulling the brake lever can stop the bicycle.