When does magma become lava?

Answer 1

It should be magma is the hottest because it is usually molten rock that has not reached the surface during an eruption.
Lava is 2nd hottest. It is the molten rock we see when a crack in the crust of the earth or a volcano eruption allows molten rock from beneath the crust to come up.

Answer 2

The similarity between lava and magma is that they are both molten rock (liquid).

Answer 3

magma is under the earths crust

lava is above (on) earths crust

Answer 4

when magma is outside the volcano then the magma is lava

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Answer 5

magma is the same as lava. the magma comes from the bottom of the earth and appears out of the cone of a volcano. most people call the magma lava.

Answer 6

In definition, lava is magma that is expelled by a volcano at or near the surface.

Answer 7

they are the same thing

Answer 8

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