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Yr 9 – World Energy Needs

Yr 9 – World Energy Needs. WALT – Explain why the world’s energy needs are increasing WILF - Explanation of different reasons why human energy needs have grown. Explain why the world’s energy needs is increasing. Discuss why the world’s energy needs is increasing.

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Yr 9 – World Energy Needs

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  1. Yr 9 – World Energy Needs WALT – Explain why the world’s energy needs are increasing WILF - Explanation of different reasons why human energy needs have grown

  2. Explain why the world’s energy needs is increasing. Discuss why the world’s energy needs is increasing. • Relate to the increase in population and the increased use of modern technology. http://www.kids.esdb.bg/usesectors.html

  3. What do we need energy for? • List the ways in which we use energy in • Everyday lives • Uses by Industry

  4. 1) Everyday lives • Combined Heat and Power systems use fuels, both fossil and renewable, to produce electricity or mechanical work e.g. • Heat is used by electrical stations to power turbines • Electricity is used in the home and elsewhere

  5. 2) Industry

  6. What problems are there is using more energy? • Problems in using morre energy :

  7. What problems are there is using more energy? • Over demand/ over reliance • Global warming • Pollution/ Destruction of habitats/ reduced biodiversity

  8. How does this compare with the increase in the human population • Use the ‘er’, ‘er’ rule to explain

  9. How does this compare with the increase in the human population • Use the ‘er’, ‘er’ rule to explain • As the worlds population becomes larger, the energy need becomes greater

  10. As the worlds population becomes larger, the energy need becomes greater

  11. World Energy Needs • World Energy Needs • Page 227 Questions 1-5 • Page 229 to 236 Questions 6-10.

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