Admin What is the hypothesis of freezing water?
CONCLUSION- Our hypothesis was if the heat energy in the water decreases, then the water will freeze. After testing our hypothesis we concluded that our experiment was a success. By adding ice and salt to the beaker that our test tube was sitting in it made the water freeze.
Which liquid freezes the fastest hypothesis?
Water freezes fastest because water doesn’t contain other ingredients. Water is H2O, hydrogen and oxygen.
Who discovered hot water freezes faster than cold?
The effect is named after Tanzanian Erasto Mpemba. He described it in 1963 in Form 3 of Magamba Secondary School, Tanganyika, when freezing ice cream mix that was hot in cookery classes and noticing that it froze before the cold mix.
Does hot water freeze faster in the freezer?
Hot water can in fact freeze faster than cold water for a wide range of experimental conditions. This phenomenon is extremely counterintuitive, and surprising even to most scientists, but it is in fact real. The phenomenon that hot water may freeze faster than cold is often called the Mpemba effect.
Does water freeze faster than other liquids?
Different liquids freeze at different temperatures. Water will freeze faster than liquids with salt or sugar in them. Some liquids freeze faster than others because of viscosity, or thickness of the liquid. Thicker liquids will freeze more slowly and some will not freeze at all.
What causes the Mpemba effect?
His experiments revealed that the Mpemba effect occurs when ice crystals appear in a supercooled liquid at higher temperatures, which means that, in such cases, hot water would appear to freeze first.
Does hot water freeze faster experiment?
Hot water can in fact freeze faster than cold water for a wide range of experimental conditions. The only difference between the two is that the water in one is at a higher (uniform) temperature than the water in the other. Now we cool both containers, using the exact same cooling process for each container.
Does hot water freeze quicker?
Hot water freezes faster than cold, known as the Mpemba effect. The Mpemba effect occurs when two bodies of water with different temperatures are exposed to the same subzero surroundings and the hotter water freezes first.