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Joulies

by Dan Meyer

45
skips
55
questions

Act One

  • Dan Meyer

    Dan Meyer

    January 29, 2012

    Do they actually work?

  • 1.

    How could we set up an experiment to test your answer?

Act Two

  • 2.

    What information do you need to know?

  • 3.

    What is your personal definition of "perfect temperature?" What is its range?

  • On the following handout, draw what you think the temperature graph will look like when the tea cools WITH Joulies and WITHOUT Joulies.

  • FileHandout – Joulies v. No Joulies
  • Now let's watch the actual result of tea cooling without Joulies.

  • VideoNo Joulies temperature probe results
  • Now that you know what tea looks like cooling without Joulies, draw what the graph would look like if the Joulies advertisement were true.

  • FileHandout – Joulies v. No Joulies #2

Act Three

Sequel

  • 4.

    Write an argument. Do Joulies work or not? Refer to the following graphs to support your case.

  • FileHandout – Joulies v. No Joulies #3
  • 5.

  • 6.

    If you defined "perfect temperature" differently, could you make the opposite case?

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