WebMar 7, 2024 · lava, magma (molten rock) emerging as a liquid onto Earth’s surface. The term lava is also used for the solidified rock formed by the … WebVolcanoes are randomly located across the earth’s surface. Volcanoes are found only on land. Volcanoes are found only in hot climates. All volcanoes erupt violently. Volcanoes only erupt straight up through the top vent. If a volcano doesn’t erupt for a hundred years, it’s extinct. If a volcano does not produce lava, it is not dangerous.
What Happens When a Volcano Erupts? - ThoughtCo
WebFeb 11, 2024 · Earth. There are all kinds of volcanoes on Earth—active, dormant, and extinct volcanoes, volcanoes that explode with ash and gas, and volcanoes that have slow rivers of melted rock (known as lava). … WebMay 6, 2010 · When lava erupts it is made up of a slush of crystals, liquid, and bubbles. The liquid "freezes" to form volcanic glass. Chemically lava is made of the elements silicon, oxygen, aluminum, iron, magnesium, calcium, sodium, potassium, phosphorus, and titanium (plus other elements in very small concentrations. florian rechberger
Lava - Wikipedia
WebDec 14, 2024 · Lava is a mixture of silicate minerals such as olivine, amphibole, quartz, mica, feldspar, and pyroxene. Volcanic Eruption Lava is found mainly on the surface of the earth, and as a result, it is free to move. The movement of lava on the surface of the earth is described by the term 'lava flow'. Web1st Floor. Igneous rocks solidify from molten rock (called magma within the Earth and lava on the surface). They are identified by mineral content and texture — the size and shape of their mineral grains. Texture is controlled by the rate of cooling: magma that cools slowly deep in the Earth forms rock with large crystals, and lava that cools ... WebApr 8, 2024 · The rocks had nowhere to go but up. Now, the Himalayas host Earth's tallest mountains. Mount Everest is the tallest, towering 5.4 miles (8.8 kilometers) above sea … great taste coffee 3 in 1