What is the input energy
It is the energy that is being changed
What is the waste energy
It is energy that is not being used
What is the useful energy
It is the energy that is needed at the end of the reaction
What types of energy are there
Kinetic, sound, thermal, chemical,electrical, gravitational potential.
What is the law of conservation of energy
It is energy can not be created of destroyed but changed from one for yo the other.