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How do volcanoes get hot inside to heat the lava?

How do volcanoes get hot inside to heat the lava?
Collis School year 2 from Surrey (age 5-14)

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3 Responses

  1. It is not actually the volcano itself, or not the sort of cone-like volcano that most people envision when they think of a volcano. Deep beneath the visible part of the volcano, in the earth, the rocks are actually melted by heat and pressure into a liquid. The liquid can be very runny or quite thick (viscous), depending on its temperature and what types of rocks and minerals are in it (have been melted to form the lava – more properly called magma in the earth). You could try an experiment to demonstrate this. Put a Mars bar on a baking tray and put a brick on top of it, then place it out on your lawn or patio – the heat and pressure (from the weight of the brick) will melt it.

  2. how does the lava get so hot?

  3. It was a very good answer, I appreciated your time in answering this question, thanks for giving me the answer because if you wouldn’t I mightv’e gone crazy because of the complex features of the non-mad made volcanoic constructions, I am twenty-six years old

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