 Magical Frost Crystals Both snow crystals and frost crystals grow from water vapor, but where snow crystals grow on suspended dust particles in the air, frost crystals grow on window panes, blades of grass, or just about any other solid surface. When water vapor condenses into liquid water, you get raindrops or dew. When water vapor condenses directly into ice, then you get snowflakes or frost. Snowflakes are not frozen raindrops, and likewise frost is not frozen dew. Window frost forms when a pane of glass is exposed to below-freezing temperatures on the outside and warm moist air on the inside. The water vapor condenses as frost on the cold window.
Click pictures for more information and credits. Library: Arctic, Ice, Snow Cold/Cold Places Environment/Atmosphere Links: Frost Crystals Arctic, Cold Places, Environment Arctic Maps & Weather Reports |
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DICTIONARY: Just "double-click" any unlinked word on this page for the definition from Merriam-Webster's Student Electronic Dictionary at Word Central. |
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ARCTIC LIBRARY & GLOSSARY: Check this section for an index of the rest of the things you really need to know about the Arctic. |
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ARCTIC MAPS & WEATHER REPORTS: Maps of the Northwest Passage, explorers' routes, iceberg sources, Nunavut, the Arctic by treeline, temperature... |
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ARCTIC LINKS: Even more information! Links to sites related to the Arctic and "Iceberg: the Story of the Throps and the Squallhoots". |
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GUIDE TO ARCTIC SUNRISE & SUNSET: How much sunlight or darkness is there in the Arctic on each day of the year? |
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