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Introduction to Energy Vocabulary

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Introduction to Energy Vocabulary
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What is Energy? Energy Vocabulary Example

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  • Energy
  • Speed
  • Gravity
  • The ability to do work (motion or change), measured in Joules (J).
  • How fast something is travelling. Measure in meters per second (ms-1 or m/s).
  • An attractive force between objects that have a mass. It increases as the distance gets smaller and the mass increases.
  • Conservation of Energy
  • Electrical Energy (100J)
  • Light Energy (60J)
  • Introduction to Energy
  • Efficiency
  • Electrical Energy (200J)
  • Efficiency = 70%
  • Light Energy (140 J)
  • The idea that energy cannot be created or destroyed only transferred from one form to another.
  • Thermal Energy (40J)
  • The proportion of the total input energy that is transferred to useful forms. Efficiency = useful energy (J) ÷ total energy (J)
  • Thermal Energy (60J)

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