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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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  • Gleiten: 1
  • Speed
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  • How fast something is travelling. Measure in meters per second (ms-1 or m/s).
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  • Gravity
  • An attractive force between objects that have a mass. It increases as the distance gets smaller and the mass increases.
  • Gleiten: 3
  • Efficiency
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  • Electrical Energy (200J)
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  • Efficiency = 70%
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  • Light Energy (140 J)
  • Thermal Energy (60J)
  • The proportion of the total input energy that is transferred to useful forms. Efficiency = useful energy (J) ÷ total energy (J)
  • Gleiten: 4
  • Conservation of Energy
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  • Electrical Energy (100J)
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  • Light Energy (60J)
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  • Thermal Energy (40J)
  • The idea that energy cannot be created or destroyed only transferred from one form to another.
  • Gleiten: 5
  • Energy
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  • The ability to do work (motion or change), measured in Joules (J).

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