important things to know

Volcano

A volcano is an opening on the Earth’s crust from where molten rock, gases and pyroclastic debris erupt. Volcanoes erupt when the plates of the Earth’s surface collide and one plate is pushed beneath another. This collision releases a lot of energy which melts the rocks, and the molten rocks rise and erupt as magma. […]

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Seismic Waves

Seismic waves are the vibrations generated during an earthquake. There are three types of seismic waves: P waves: These waves can travel through both the solid and liquid forms of the material in the Earth’s interior. These waves have the ability to compress and stretch the rocks. S waves: These waves can travel only through

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Snaefellsjokull

Snæfellsjökull

Snæfellsjökull is a 7,00,000-year-old stratovolcano with a glacier covering its summit situated on the most western part of the Snæfellsnes Peninsula in Iceland. A 90-km-long Peninsula, Snæfellsjökull comprises friendly towns and villages, spectacular mountains, a plethora of bird species nesting on treacherous cliffs, beaches of sand and pebbles, saga sites and hiking trails. The Snæfellsjökull

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Earthquake

An earthquake is the sudden movement of the Earth’s crust or vibration of Earth’s surface. It starts at a specific point known as the focus and spreads circularly in all directions. These vibrations cause severe damages. The reason behind this unexpected movement is an abrupt release of energy that has travelled through the solid rocks

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Season

Season is a period when the weather condition remains constant with only slight variations. For example, in summer season, the weather remains hot with small variation in day-to-day temperature. In general, there are four seasons: summer, winter, rainy and autumn. Why do we have different seasons? The main reason behind this is: ♦ Revolution of

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Snow

Snow is the solid form of water. It forms when the air is below freezing point and the water vapour present in the air solidifies. The snowflakes formed have very unique shape that is crystalline in nature. This crystalline shape is due to the chemical formulae of water that has two atoms of hydrogen and

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Rain

Rain means falling of water on the Earth from the clouds. It maintains the continuity of water cycle. It is an important weather component that affects the climate of a place. The region of the Earth that receives rainfall less than 254 mm per year is classified as desert. There are some regions on the

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