| A | B |
|---|
| What is the term for a weak spot in the crust where magma comes through? | A volcano |
| Define magam | magma is molten (melted) mixture of rock forming sustances gases and water from the mantle |
| What is the difference between magma and lava? | Magma is molten mater |
| What is the term for the belf of volcanoes around the rim of the Pacific Ocean? | Ring of Fire |
| What is a hot spot (in geological terms)? | an area where magma melts a hole through earths crust |
| Why does magma flow upward throught the crust | Because it is less dense |
| What are the different parts of a volcano? | Magma chamber, pipe, vent, crater |
| What determines the force of any eruption? | Disolved in magma rush out making magma come out |
| What 3 things determine how thick the magma is? | Gas Content, Magma tem., Silinca Content |
| What is a pyroclastic flow? | When an explosive eruption hurls out ash, cinders, and bombs as well as ashes |
| What type of eruption produces pahoehope | Quiet |
| What is a geyser? | Is a fountain of water and steam that erupts from the ground when the hot water becomes trapped underground in narrow cracks |
| What is a hot spring? | Forms when groundwater is heated by nearby magma and the hot water rises to the surface forming a pool |
