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  2. Ice - Wikipedia

    en.wikipedia.org/wiki/Ice

    Ice is still used to cool and preserve food in portable coolers. [110] Ice cubes or crushed ice can be used to cool drinks. As the ice melts, it absorbs heat and keeps the drink near 0 °C (32 °F). [139] Ice can be used as part of an air conditioning system, using battery- or solar-powered fans to blow hot air over the

  3. Degree of frost - Wikipedia

    en.wikipedia.org/wiki/Degree_of_frost

    "Degree" in this case can refer to degree Celsius or degree Fahrenheit. When based on Celsius, 0 degrees of frost is the same as 0 °C, and any other value is simply the negative of the Celsius temperature. When based on Fahrenheit, 0 degrees of frost is equal to 32 °F. Conversion formulas: T [degrees of frost] = 32 °F − T [°F]

  4. Absolute zero - Wikipedia

    en.wikipedia.org/wiki/Absolute_zero

    The theoretical temperature is determined by extrapolating the ideal gas law; by international agreement, absolute zero is taken as 0 kelvin (International System of Units), which is −273.15 degrees on the Celsius scale, [1] [2] and equals −459.67 degrees on the Fahrenheit scale (United States customary units or imperial units). [3]

  5. Freezing air temperature - Wikipedia

    en.wikipedia.org/wiki/Freezing_air_temperature

    Freezing [1] or frost occurs when the air temperature falls below the freezing point of water (0 °C, 32 °F, 273 K). This is usually measured at the height of 1.2 metres above the ground surface. This is usually measured at the height of 1.2 metres above the ground surface.

  6. Freezing level - Wikipedia

    en.wikipedia.org/wiki/Freezing_level

    The 0 °C isotherm under normal conditions. The freezing level, or 0 °C (zero-degree) isotherm, represents the altitude in which the temperature is at 0 °C (the freezing point of water) in a free atmosphere (i.e. allowing reflection of the sun by snow, icing conditions, etc.).

  7. Melting point - Wikipedia

    en.wikipedia.org/wiki/Melting_point

    Ice cubes put in water will start to melt when they reach their melting point of 0 °C. The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium.

  8. Properties of water - Wikipedia

    en.wikipedia.org/wiki/Properties_of_water

    The melting point of ice is 0 °C (32 °F; ... it almost always has some solute dissolved in it, ... Celsius, Rankine, and Fahrenheit scales were, ...

  9. Scale of temperature - Wikipedia

    en.wikipedia.org/wiki/Scale_of_temperature

    The degree Celsius (°C) can refer to a specific temperature on the Celsius scale as well as a unit to indicate a temperature interval (a difference between two temperatures). From 1744 until 1954, 0 °C was defined as the freezing point of water and 100 °C was defined as the boiling point of water, both at a pressure of one standard atmosphere.