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Ever-Changing Earth5
"6th Grade - Ever-Changing Earth Vocabulary - 05"
| Question | Answer |
|---|---|
| cinder cone volcano | a cone-shaped hill made of ash and rock particles around the vent of a volcano |
| shield volcano | a gently-sloping volcano frmed when runny lava spreads out over a large area |
| stratovolcano | a steep-sided, cone-shaped volcano made of alternating layers of ash and lava |
| volcanic field | a place on Earth’s surface where there are clusters of volcanic activity, including anywhere fro 10 to 100 volcanoes |
| active volcano | a volcano that is currently erupting or is expected to erupt |
| dormant volcano | a volcano that is currently not erupting, but has erupted in the past and is likely to erupt in the future |
| extinct volcano | a volcano that is not currently active and is not likely to erupt again |
| magma chamber | a pocket, or reservoir, where magma collects beneath Earth’s surface |
| vent | a pipe-like channel through which magma travels from a magma chamber to Earth’s surface |
| summit crater | a bowl-like depression at the top of a volcanic structure where the central vent ends |
| caldera | a large, bowl-shaped depression formed by the collapse of part of a volcano |
| volcanic eruption | the release of material from under Earth’s crust to its surface |
| nuee ardente | a thick, rapidly moving, deadly, gaseous cloud produced by a volcano |
| volcanic ash | any particle ejected by a volcano that is less than 22 mm across. Volcanic ash is the finest category of pyroclastic material (material ejected through the air during a volcanic eruption) |
| hot spots | places in the middle of plates where very hot plumes of magma rise for a short time, forming volcanoes |
| igneous intrusion | magma that rises toward the surface but cools and hardens below Earth’s surface before it breaks through |
| igneous rock | a rock that has solidified from molten or partly molten materials (magma). |
| sediment | particles of solid material that have been moved from their place of origin by wind, moving water, or glacier ice and deposited on a surface |
| sedimentary rock | rock formed from small particles of rock of pieces of once-living things |
| fossils | the remains or traces of once-living things |
| metamorphic rock | rock formed by heat and pressure from another kind of rock |
| rock cycle | the way in which rocks are continuously recycled over time |
Created by:
Hushekclan
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