Contents

Fuel forms under the earth’s surface by the decomposition of organic matter is called…….
a) organic fuel            
b) biogas
c) fossil fuel                
d) inorganic fuel

c

Which of the following causes the least pollution when burnt?
a) petrol                      
b) diesel
c) coal                        
d) natural gas

c

Which of these is not a renewable source of energy?
a) the sun                    
b) natural gas
c) wind                                   
d) ocean tidal energy

b

A solar cell is made up of:
a) Silicon                    
b) Teflon
c) Titanium                 
d) Magnesium

a

A solar cell converts……….
a) heat energy into electrical energy
b) solar energy into electrical energy
c) heat energy into light energy
d) solar energy into light energy

b

The fuel used in the nuclear reactor is……….
a) cadmium                 
b) Uranium
c) Radium                   
d) Thorium

b