What is a volcano for kids?
What is a volcano for kids?
A volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth. When pressure builds up, eruptions occur. Gases and rock shoot up through the opening and spill over or fill the air with lava fragments. Volcano eruptions have been known to knock down entire forests.
What are volcanoes answer?
The Short Answer: A volcano is an opening on the surface of a planet or moon that allows material warmer than its surroundings to escape from its interior. When this material escapes, it causes an eruption.
What is the best definition of a volcano?
1 : a vent in the crust of the earth or another planet or a moon from which usually molten or hot rock and steam issue also : a hill or mountain composed wholly or in part of the ejected material. 2 : something of explosively violent potential.
What causes volcano?
Volcanoes erupt when molten rock called magma rises to the surface. Magma is formed when the earth’s mantle melts. Another way an eruption happens is when water underneath the surface interacts with hot magma and creates steam, this can build up enough pressure to cause an explosion.
How long can a volcanic winter last?
The effects of volcanic eruptions on recent winters are modest in scale, but historically have been significant. The 1991 eruption of Mount Pinatubo, a stratovolcano in the Philippines, cooled global temperatures for about 2–3 years.
How cold is a volcanic winter?
Ice-core evidence suggests that average air temperatures worldwide plunged by 3–5 °C (5.4–9.0 °F) for years after the eruption. (Some model simulations estimate that this temperature decline may have been as much as 10 °C [18 °F] in the Northern Hemisphere in the first year after the eruption.)
Can you survive a volcano?
No. If a volcano is going to erupt, nothing on earth can keep it from happening, but you can survive an eruption by getting as far away as possible or going to a shelter. Schools in volcanic active areas usually have emergency plans in case of disaster.
How long would you survive if you fell into a volcano?
If you fall into a deep volcano you will survive with only psychological trauma 23.7 seconds followed by sudden loss of consciousness.
Can you jump inside a volcano?
Absolutely. You would burst into flames. You’re not dense enough to sink into the lava, so you’d sit on the top like an extremely unfortunate person, burning to death. This is assuming you managed to jump into molten lava and didn’t fall on the rocks below the rim of the crater, breaking several bones in the process.