LIQUID CRYSTALS PLATE

Demo Number 080
Location Shelf 9
Description This metal strip is placed with one post in the beaker with ice water and with the other post in the beaker with hot water. We can see the colors on the crystal sheet – blue colors are associated with warmer temperatures and red colors with cooler temperatures.
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Tips
  • This film is sensitive to the temperature range of 25 to 35 degrees Celsius. Be careful not to heat the crystals beyond boiling and do not exert excessive pressure on the film.
  • Take ice from the Demo Room Refrigerator to get ice water.
  • Quick Hints:
    • Rinse first with cold water to “reset” to black
    • The demo takes 5-10 minutes to “develop” with cold and hot tap water in beakers.

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This Demo is Part of the following Categories: 4A10 Thermometry