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What is the difference between lava and molten rock?
Lava refers specifically to molten rock that flows on the surface of the Earth during a volcanic eruption. Molten rock, on the other hand, is the hot, liquid rock below the Earth's surface that has not yet erupted. Essentially, all lava is molten rock, but not all molten rock is lava.
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.
Magma is solid?
A natural hot melt composed of a solution of rock-forming materials, steam, and super-heated gases from which igneous rock results.
Is it true the mantle is completely molten?
no. the mantle is only partially molten
Is lava and magma the same?
Magma and lava are like each other but magma is below the Earth and lava reaches the Earth's surface.
Is molten rock only close to surface?
no! it can be in the mantle or the outer core
What is molten rock that is outside of the earth?
Below the surface, the molten rock is called magma; at the earth's surface it becomes lava, nothing has changed only the name of the liquid. Igneous rock is made by fire. Small wonder the magma from which igneous rock is formed can reach temperatures close to 1200 degrees Celsius.
Why are sedimentary rock found only on or close to earth's surface?
help meee
What is the difference between lava and molten rock?
Lava refers specifically to molten rock that flows on the surface of the Earth during a volcanic eruption. Molten rock, on the other hand, is the hot, liquid rock below the Earth's surface that has not yet erupted. Essentially, all lava is molten rock, but not all molten rock is lava.
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.
Is this true or false formed in the mantle molten material called lava cools to form minerals below earth's surface?
This is false. Molten material below earth's surface is known as magma. It is only known as lava once it has been erupted onto the surface.
What is the liquid rock on the surface of earth?
Liquid rock can be found on the surface as erupted lava, or in the lithosphere as it attempts to rise toward the surface (molten rock under the surface is called magma). Molten rock originates at the boundary between the lithosphere and the asthenosphere due to the introduction of cold wet oceanic crust into the upper mantle at convergent plate boundaries, or from decompression melting at hot spots and divergent plate boundaries. The asthenosphere is partially molten, but is mostly solid. The outer core is the only liquid layer of the Earth, composed mainly of liquid iron and nickel.
What is the definition of lava?
Molten rock from underground that has risen to the surface. If it is only underground and has not went up, it is called magma.
Are rocks only found in the Earth's crust?
No. Earth's mantle is made of rock which, contrary to popular belief, is not molten.
Magma is solid?
A natural hot melt composed of a solution of rock-forming materials, steam, and super-heated gases from which igneous rock results.
What can only be found under the surface of the earth?
dirt
Is it true the mantle is completely molten?
no. the mantle is only partially molten
