Magma is called lava when it reaches the surface.
It is called magma
When the molten rock is actually flowing on the earth, it is called lava. When it is contained, such as in a volcano, it is called magma.
crystals form when lava reaches the surface and cools
Lava.
The molten material that reaches earth's surface is lava :)
Magma is called lava when it reaches the surface.
Molten rock from under the surface (called 'magma') that reaches the Earth's surface and flows out is is called 'lava'.
it is called magma.
magma
it is called magma.
Molten rock (magma) that spews from a volcano is called lava, When it cools, the lava forms igneous rocks.
Molten rock is called magma when it is underground and lava when it reaches the surface.