To quickly change ice to water, increase its temperature above 0°C. This can be done by applying heat, placing the ice in a warm environment, or using hot water, causing the ice to melt faster.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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Atmospheric Water Generator (AWG) machines extract moisture from the air and convert it into drinking water. They use cooling or desiccation methods to condense water vapor, making them a reliable source in areas with water scarcity.
To change water into ice, lower the temperature to 0°C or below. When water is cooled to its freezing point, it undergoes a phase change from liquid to solid, turning into ice due to decreased molecular movement.
Yes, coconut oil often solidifies in winter due to the lower temperatures. When the temperature drops below 24°C, it reaches its freezing point and changes from liquid to solid, demonstrating the transformation between different states of matter.
Other liquids that convert into solids include chocolate and gelatin. Chocolate hardens when cooled after melting, and gelatin transforms into a solid gel as it cools and sets. Both processes involve cooling the liquid to below its freezing point.