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They are different because lava is when it hits earth's atmosphere; magma turns to lava. Magma is when its inside the volcano. They are different because of the color: darker/blacker and magma rocks are way hotter. Lava rocks are colder and fragile.

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Q: How are rocks that form from magma and lava different?
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Related questions

What materials do rocks form from?

Magma or Lava

What is a large group of rocks which form magma or lava?

Igneous rocks.

Rocks that form as a result of cooling magma?

Rocks formed from magma are igneous rocks. Extrusive igneous rocks form from lava at or near the surface. Intrusive rocks form from magma below the surface.

Are magma and lava sedimentary rocks?

No. Magma and lava are molten rock. When the cool they form igneous rock.

How do igenous rocks form?

They form when magma or lava cools and solidifies.

What large group of rocks which form from magma of lava?

another name for the mineral crystals in cooling magma or lava

What extrusive thing does igneous rocks form?

Magma or Lava

Do large grain rocks form from lava or magma?

they form from both...ithink

How do igneous rocks form?

Igneous rock forms from the cooling of molten material called magma or lava.

Lava is magma that has reached the what in an eruption?

Lava is magma that has reached the surface of the earth in an eruption. When this cools down, it will form igneous rocks.

What rocks form when magma or lava hardens and cools?

Igneous rock.

Are rocks formed by lava or magma?