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Energy and change

Natural Sciences

After this lesson, you should be able to:

  • Understand that the positive and negative charge on objects originates in the atom
  • Distinguish between charged and uncharged or neutral objects in terms of their behaviour
  • Explain the charge on charged objects in terms of electron transfers from one object to the other
  • Know that objects with like charges repel, but with unlike charges attract
  • Know that charged objects can also attract uncharged objects
  • Understand why electric forces are classified as non-contact forces
  • Appreciate that lightning, in nature, is an electrical phenomenon


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