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Conceptual Physics Alive: Heat, Temp and Expansion

Item # 99-0210

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Master teacher Paul Hewitt distinguishes temperature and heat. The expansion of solids, liquids, and gases is also compared.

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, Temp and Expansion 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, temperature and heat are distinguished from each other. The expansion of solids, liquids, and gases is compared. A discussion on specific heat capacity leads to the physics of a freezing lake. Demonstrations using liquid nitrogen show the effects of low temperatures. Segment length: 44 minutes

Heat, Temp and Expansion Includes:

  • Hewitt begins by comparing internal energy and temperature.
  • Thermometer construction discussed.
  • Celsius and Fahrenheit scales compared.
  • High temperature but low internal energy 4th-of-July-type sparklers.
  • Specific heat capacity.
  • Water's high specific heat, with examples.
  • Aluminum's low specific heat.
  • Specific heat of foods.
  • Example of water's high specific heat: Hot water bottle during Hewitt's childhood on cold Boston winter nights.
  • Global heating via water's high specific heat.
  • Expansion of water upon freezing.
  • Six-sided crystal structure of snowflakes.
  • Why ice is less dense than water.
  • Expansion of water when heated.
  • Graphical explanation of the low density of water at 4°C.
  • No ice on deep lakes in the cold winter.
  • Why ice forms at the surface of a lake in cold weather (with class questions).
  • Demonstration of liquid nitrogen with assistant Ted Brattstrom; balloon volume change; flower going brittle when cooled; cooling cracker and putting in mouth.

Next-Time Question: When a metal ring is heated, will its inner diameter become larger, smaller, or stay the same? (SEE RESOURCES TAB FOR MORE)

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.