Energy     (Worksheet 3)      Energy Resources Comprehension    Answers

 

1. Name three types of stored energy?
Chemical Energy, Elastic potential energy, Gravitational potential energy, Kinetic Energy
 
2. What kind of energy does water form as it falls down a waterfall?
Kinetic Energy.
 
3. Name three fossil fuels?
Oil, Gas and Coal.
 
4. Why are fossil fuels called non-renewable sources of energy?
Fossil fuels are called non-renewable sources of energy because they cannot be replaced once used.
 
5. Suggest three ways in which we can make fossil fuels last longer.
Better insulation, more efficient engines, better use of renewable sources of energy.
 
6. Name three ways in which water can be used as an energy resource.
Wave power, tidal power and hydroelectricity.
 
7. Name two energy resources that can be used in developing countries.
Wind power and Biomass.
 
8. Give one example of an object that uses elastic potential energy.
Rubber band , spring.
 
9. Which fossil fuels when burned, cause acid rain?
Coal and Oil.
 
10. Name two energy resources that may be limited by the ability to find a suitable site.
Geothermal and tidal power.