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Energy. The Ultimate Chain Reaction Recycling Machine. Starting from the end and backwards planning…. Start with the PE. Start with the PE. Start with the PE. Start with the PE. Start with the PE. Start with the PE. Agenda . Energy Unit Works Stations Pinning It! Ramp Race

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Energy

The Ultimate Chain Reaction Recycling Machine

Starting from the end and backwards planning…


Start with the PE


Start with the PE


Start with the PE


Start with the PE


Start with the PE


Start with the PE


Agenda

  • Energy Unit

    • Works Stations

    • Pinning It!

    • Ramp Race

    • Energy of Motion

    • Simple Machines

    • The Ultimate Chain Reaction Recycling Machine

*

*

* To be experienced today.

7/1/13


Energy

activities

*

*

conceptual development

* To be experienced today.


Work Stations

  • Qualitative

  • Students rotate around stations

    • Observe

    • Explain

    • Guess at what work is

  • W = F∆x


Pinning It!

  • Engage and Explore

  • Qualitative

  • Drive a pin into wood by dropping balls on it

  • Could be Nailing It! if you have bowling balls

  • PE = mgh ∆PE = W


Ramp Race

  • Quantitative

  • Roll marble from same height but differently sloped paths

  • ∆PE = ∆KE

Inspiration

Students build something like this….

Ramp B

Ramp A


Energy of Motion

  • Quantitative

  • Roll ball down ramps of different heights

    • Model KE = ½ mv2


Simple Machines

  • Find…

    • Inspiration

    • Techniques

    • Get students to

      start thinking

      about how to

      make

      connections


Simple Machines


Simple Machines


Simple Machine


The Ultimate Chain Reaction Recycling Machine

  • Students analyze the energy transfers


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