In informal contexts, it usually refers to the phase of ice observed in atmospheric pressure, Ice Ih.
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Ice is the solid form of water, which occurs when water freezes at temperatures below 0 degrees Celsius (32 degrees Fahrenheit) under standard atmospheric conditions. It has a crystalline structure, which makes it less dense than liquid water, allowing ice to float. Ice can be found in various forms in nature, such as: 1. **Glaciers and Ice Caps**: Large masses of ice found in polar regions and high mountains.