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Conceptual Physics Alive: Heat Radiation

Item # 99-0230

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Master teacher Paul Hewitt teaches the temperature dependence of radiation frequencies is related to the greenhouse effect.

Please note: The digital content will be sent to the email provided during checkout, once your order has been processed. Order will be processed no later than the next business day.
Digital format: The email you will receive will contain a hyperlink to download a .ZIP file containing a digital video (.MP4) and questions set with answers (.PDF).
Notice: This digital content can be used in physical or remote classroom settings (e.g., Google Classroom, Canvas, etc.), or Homeschool. Replicating and distributing this digital content for profit without the authority of the copyright owner is an infringement of the copyright.
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Additional Details

Conceptual Physics Alive: Heat Radiation includes a digital video and questions set with answers.

Observe Paul Hewitt teach in a classroom with real students, using engaging demonstrations and artwork. In this video, the temperature dependence of radiation frequencies is related to the greenhouse effect. How sunlight spreads differently over parts of the earth helps explain the warmth of the equatorial regions and the coolness of polar regions. Segment length: 32 minutes

Heat Radiation Includes:

  • Review of heat transfer by radiation.
  • Radiant energy: Everything is emitting: everything is absorbing.
  • Hewitt shows a wooden box with a hole in it. The hole looks black, while the interior is white.
  • Blackness of eye pupils.
  • Twice-as-hot coffee story to illustrate the concept of absolute zero.
  • Review of the Fahrenheit and Celsius temperature scales.
  • Introduction of the Kelvin scale.
  • The "Celsius-the-Village-Tailor" story.
  • Newton's law of cooling; Rate of cooling- delta T.
  • Example of a house ' leaking" heat energy.
  • Example of delta T and frogs.
  • Example of delta T and people.
  • The physics of cooking lobsters and crabs.
  • Warmness of tropics and coolness of Arctic.
  • The earth's tilt and seasons.
  • Arctic Circle.
  • Shortness of nights in brother's farm in Costa Rica.
  • Hewitt holds two sheets of paper in an imaginary rain to show how their different angles are analogous to the angle of sunlight on earth that produces seasons.

Please note: The digital content will be sent to the email provided during checkout, once your order has been processed. Order will be processed no later than the next business day.

Digital format: The email you will receive will contain a hyperlink to download a .ZIP file containing a digital video (.MP4) and questions set with answers (.PDF).

Notice: The Conceptual Physics Alive Digital content is protected by copyright laws. Replicating and distributing this digital content without the authority of the copyright owner is an infringement of the copyright. This digital content can be used in physical or remote classroom settings (e.g., Google Classroom, Canvas, etc.), or Homeschool.

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