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The life of volcano
My name is Grant leave me a lone please
| Question | Answer |
|---|---|
| What is a volcano? | It is an opening in the earths crust. |
| Once magma reaches the surface what is is called. | It is called lava. |
| A stationary pool of magma is... | Is a hot spot. |
| What is a chain of volcanic mountains? | Its an island chain. |
| Its a tool that mesasures the tilt of the volcanoe. | It is tiltmeter. |
| What helped to form Georgia's landforms? | Extinct volcanoes. |
| What does the magma chamber do? | IT captures the gases in the magma. |
| Are Gentle eruptions harmless? | No. |
| What are shield volcanoes? | They are built buy thinner lava that spreads over a large area of land. |
| What are cinder-cone vocanoes? | They are built buy thick lava that is tossed in the air in chuncks. |
| How does a dike form? | when magma hardens. |
| When magma forms a dome it is called? | laccolith |
| What is the largest and deppest part of magma? | batholiths. |
| What is composite volcanoe? | It is built with a lot of ash. |
| Where an ocean-floor plate is pushed under another ocean it is called? | An Island Arc is formed. |
| Where are most volcanoes form? | Near the plate boundaries. |
| Where do most volcanoes erupt? | the pacific ocean. |
| What happened in Mount st. Helens in 1995 | It blew its top off. |
| Lava that comes from the sea floor forms what? | It builds volcanic Islands. |