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Science Volcano
Term | Definition |
---|---|
Volcano 1 | A mountain that forms when magma reaches the surface of the earth |
Magma | Rises because it is less dense than the solid rock around it |
Volcanoes build | Ocean floor Islands Mountains Plains Lakes |
Volcano 2 | Hole in the ground through which lava erupts Mountain that lava builds |
Active volcano | Erupting or has erupted since written records were kept |
Dormant | Active but is sleeping Expected to erupt in the future |
Chocolate | Comes from plants that grow best in volcanic soil Cocoa bean |
Mauna Kea | Earth's tallest mountain Not all is visible (about 33,000ft- some under ocean) |
Mount Everest | All is visible (about 29,000ft) |
Vent | Opening from which lava flows Dust, ash, and rock particles also thrown out |
Crater | Top of a volcano Funnel shaped pit Material explodes out of vent |
Volcanic cone | Pile of lava, dust, ashes, and rock around vent Found in different shapes |