Categories
Physics

Uses of Energy

Uses of Energy

  1. Solar energy is a universal source of light to planet earth. The plants also use it to manufacture their own food through photosynthesis.
  2. Fire wood gives heat for cooking our food.
  3. Energy from coal is used to boil water, then, produce steam used in steam engines.
  4. Energy from waterfalls is used in hydro-electric power stations like kanji dam to produce electricity.
  5. Natural gas, petroleum, diesel oil, etc are all derived from fossil fuels.
  6. Chemical energy from cells and batteries are used to power our electronics and phones.

EVALUATION

  1. State five source of energy discussed.
  2. What fuel can we derive from fossil fuels?
  3. State three uses of energy.

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