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Zastrugi, firn and frazil are all types of snow and ice
Fact of the week
15 January 2024
Zastrugi, firn and frazil are all types of snow and ice
Snow and ice are made of nothing more than frozen water, but variables such as sun, wind, temperature and pressure give them countless different forms and properties – each with their own, often beautiful, name.
![](https://usborne.com/media/catalog/product/cache/cb8a45d771c081dc6d7e3e5dd1ed195e/9/7/9781805318439_cover_image.jpg)
Find out more in:
100 Things to Know About Planet Earth
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