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ES 7 vocabulary
| Term | Definition |
|---|---|
| volcano | an opening in the Earth's crust from which lava, ash, and hot gases flow or are ejected during an eruption |
| earthquake | a sudden release of energy in the earth's crust or upper mantle |
| landslide | rapid downward sliding of a mass of earth and rock |
| magma | the molten rock material that originates under the Earth's crust and forms igneous rock when it is cooled |
| lava | molten rock that flows from a volcano or from a crack in the Earth |
| eruption | the release of gas, ash, molten materials, or hot water into the atmosphere or onto the Earth's surface from a volcano |