Thermodynamics / Thermal Energy

Handboilers, perfect for teaching about thermal energy, are sold individually and in cases of 12 for your entire class. Heat-Sensitive Pencils will tell you that "you're getting warmer" as you make your point. These thermochromic pencils will actually change color with the heat from your hand! Place your hand on a Touch and See Square and create a beautiful thermal hand print. Each color represents a different temperature. Add hot water to the Climate Change Mug and watch Florida and California disappear, as Central America becomes just a chain of islands! Click a metal disk in the Chemical Heat Pack and watch the liquid crystallize. Learn more about thermal energy in our Thermal Energy Newsletter.
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  • Chemical Heat Pack

    Chemical Heat Pack

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    Click a metal disk and watch the liquid crystallize.
    $6.95–$74.95
  • Heat-Sensitive Pencils

    Heat-Sensitive Pencils

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    Excellent motivational prizes for students of all ages!
    $11.95
  • Heat-Sensitive Paper

    Heat-Sensitive Paper

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    Our Heat-Sensitive Paper in three brilliant colors.
    $5.95–$189.50
  • Heat-Sensitive Periodic Tables

    Heat-Sensitive Periodic Tables

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    Our periodic tables change color when heat is applied.
    $17.95
  • Liquid Crystal Sheets (12x12 inch)

    Liquid Crystal Sheets (12x12 inch)

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    These laminated sheets of liquid crystal are temperature sensitive.
    $25.95
  • Liquid Crystal Sample Assortment

    Liquid Crystal Sample Assortment

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    Not sure which temperature to order? Try our sample assortment.
    $19.95
  • Liquid Crystal Sheets (4x4 inch)

    Liquid Crystal Sheets (4x4 inch)

    These laminated sheets of liquid crystal are temperature sensitive.
    $7.95
  • Touch and See Square

    Touch and See Square

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    Great addition to your science table.
    $12.95
  • Infra-Red Thermometer

    Infra-Red Thermometer

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    Measure the temperature of an object without ever touching it.
    $32.95
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