Law of Conservation of Energy

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Law of Conservation of Energy

• and Energy Chains

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• Energy Can not be created nor destroyed.
• Energy can be transferred from one object to
  another
• And can be transformed from one form to another
• BUT the total amount of energy NEVER changes!

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• How many times have you heard of energy being
  LOST?
• Transformed into non-useful form
• Heat Energy is the ending form of all energy
  chains

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Energy Chains

• Energy chains are graphical representations of
  the flow of energy in a system.
• They typically contain words, phrases, and images

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Practice

• As a class
• Create an energy chain for a person walking up
  the stairs.
• Create an energy chain for the skier from the
  video last week.

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Energy Chains Important?

• Decisions to turn computer off or leave on while
  at school?
• Country worried about energy costs
• OIL
• Energy chains can help you make good decisions!

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TASK

• Come up with three of your own energy chains!
• IN CLASS
• Come up with your scenarios
• HOMEWORK
• Finish and draw out chains