Snow consists of fine ice particles formed in clouds as a result of water vapour freezing. They typically assume the form of six-pointed star. Several such crystals may create a snow flake. Sometimes fine ice balls may be formed, known as the graupel.
Welcome to the official site of the Stołowe Mountains National Park (PNGS) Ecocentre. Ecocentre is a facility of PNGS for education and exhibition, and organises lessons during which you can learn more about the natural and cultural heritage of the region. To visit the Ecocentre please book a visit for a specific date and time. See you there!
Co słychać w przyrodzie
Winter Solstice occurs on 21 or 22 (leap years) December, when the sunlight rays fall at right angle on the Tropic of Capricorn, and it is when the calendar winter begins. This is the shortest day of the year in the northern hemisphere, and the following days become gradually long
One of the processes causing physical weathering of rock can be observed during winter, namely frost weathering. Water freezing in rocky crevices increases its volume turning into ice and forcing rocks to burst. The most intense effect occurs when temperature varies around 0° Cels