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Because it becomes less dense as it gets hotter. Less dense=lighter and therefore rises. Just like the wax in a lava lamp.
What else can I help you with?
What molten material is beneath earths surface?
it is called magma.
What is molten material beneath earths surface called?
it is called magma.
What is the material at earths surface called?
Molten rock material on Earth's surface is called lava. When under Earth's surface it's called magma
Is molten rock on earths surface?
lava
What is molten rock on earths surface.?
lava
What molten material is below the earths service?
Magma
What is the molten material found on the earth's surface?
The molten material that reaches earth's surface is lava :)
What brought molten rock to the surface?
pressure from the heat under the earths surface
What is molten rock material that flows over the earths surface?
Molten rock material that flows over the Earth's surface is called lava. Lava is typically generated during a volcanic eruption and can create new landforms such as lava fields, volcanic cones, and lava tubes as it cools and solidifies.
What is a molten rock beneath earths surface called?
magma
What forms when molten material from beneath earth's surface cools but doesn't hardens?
When molten material from beneath the Earth's surface cools but doesn't harden, it forms a type of rock called volcanic glass, or obsidian. Obsidian is a black, glassy rock formed from rapidly cooled lava, which prevents the growth of mineral crystals typically found in other types of rock.
What is molten rock that reaches earths surface?
It is called magma
