On what basis would you classify energy sources as
renewable and non- renewable ?

On what basis would you classify energy sources as exhaustible and inexhaustible ?

On what basis would you classify energy sources as Are the opinions gives in (a) and (b) the same?

What is a good source of energy ?

Is bio - mass a renewable sources of energy?

Is geothermal energy a renewable source of energy?

Discuss in class the question of what is the ultimate source of energy for biomass, wind and ocean thermal energy.

What do you mean by conventional sources of energy?

What do you mean by wave energy?