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Touch and See Squares Experiment

Liquid crystals represent a phase in between liquid and solid. The molecules in a liquid crystal can move independently, as in a liquid, but remain somewhat organized, as in a crystal (solid).

 

These liquid crystals respond to changes in temperature by changing color. As the temperature increases, their color changes from red to orange, yellow, green, blue

 

What’s going on?
The liquid crystal sheet is temperature sensitive, and an detect where your hand warmed the sheet.

 

Blue is the warmest, then green, orange and red. Black is the room temperature.

 

Blue – (82o – 86oF)
Green – (78o – 81oF)
Orange – (74o – 77oF)
Red – (70o – 74oF)

 

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