Flying planes

This task is about energy transformation.
RNZAF Boeing 757-200
 
Some objects such as an aeroplane, have the potential to transfer or transform energy. 
 

Types of energy
chemical potential gravitational potential heat  sound kinetic
 
Use the energy types in the box above to answer the following questions. 

Question 2Change answer

a)  What is the main energy change occurring to the chemical potential energy in the aeroplane
     when it is flying at a constant altitude?
     From chemical potential energy to chemical potentialgravitational potentialheatsoundkinetic energy.  (Select one)

Question 2Change answer

b)  What is one main energy change that occurs when the aeroplane increases height?
     From  energy to  energy.

Question 2Change answer

c)  What is one main energy change that occurs when the aeroplane lands?
     From  energy to  energy.