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science
hx
Question | Answer |
---|---|
crater | a large bowl shaped hole |
external igneous | form when magma reaches the Earth's surface a volcano and cools quickly. |
intrusive igneous | which then slowly solidifies below the Earth's surface |
ash | the powdery residue left after the burning of a substance. |
volcano | A large cone shaped landform |
igneous rock | A glass looking rock formed from cooling magma |
magma | the molten rock material under the Earth's crust |
lava | magma that makes it out of the volcano |
vulcanologist | someone who studies volcanos |
pillow lava | Lava that forms from an underwater eruption and is characterized by pillow-shaped masses. |
Ashfall | Volcanic ash that has fallen through the air from an eruption cloud. |
Conduit | a channel for conveying water or other fluid |
Magma chamber | A passage (pipe) followed by magma in a volcano. |
pumice | a very light and porous volcanic rock formed when a gas-rich froth of glassy lava solidifies rapidly. |