Fickle Foam
Students Will Have Fun While Learning About Thermodynamics
A colorful way to educate your class. This durable, nontoxic foam pad contains liquid crystals which dramatically change color in reponse to small temperature changes. Size: 10cm square, 7mm thick.
熱感應板
這是一個很有趣的示範實驗。這一個耐久,無毒的板子上塗有一種
輕微的溫度變化便可引起劇大顏色改變的液晶。
面積10平方公分,7公釐厚。