Science Vocab Volcanoes

BD: a weak spot or opening in Earth’s crust where magma comes out

MD: an opening where magma comes out

BD: a compound found in magma; helps determine viscosity

MD: a compound found in magma

BD: molten mixture of gases, rock and water

MD: molten mixture of gases

BD: molten material that has reached earth’s surface

MD: molten material that reaches the surface

BD: slow moving lava, high in silica content

MD: slow moving lava

BD: eruptions from low silica content magma and low viscosity

MD:eruptions from low silica content

BD: eruptions from high silica content magma and high viscosity

MD: eruptions from high silica content.

BD: fast moving lava, low in silica content; brownie batter

MD: fast moving lava

BD: a mixture of gases, ash, cinders and bombs from an explosive eruption

MD: a mixture of gases

BD: fine, dust like lava

MD: fine, dust like lava

BD: pebbled sized lava

MD: pebbled sized lava

BD: lava from the size of a baseball to a car

MD: big sized lava

BD: will never erupt again

MD: will never erupt again

BD: not currently erupting, but it’s likely to erupt again

MD: not erupting

BD: material in it’s simplest form; cannot be broken down anymore

MD: material in it's simplest form

BD: two or more elements that are together

MD: two or more elements

BD: volcanic ring around the pacific plate; 72% of world’s volcanoes

MD: volcanic ring in the pacific.

BD: string of volcanic islands near subduction zones

MD: string of volcanic islands

BD: fixed, weak spot in crust where magma comes out easily

MD: fixed, weak spot in the crust

BD: the resistance to flow

MD: resistance to flow

BD: pool of magma beneath the surface

MD: pool of magma beneath earth's surface

BD: central tube connecting the magma chamber to the surface

MD: tube connecting magma chamber to surface

BD: opening where magma comes out, can be on top or on sides

MD: an opening in the volcanoe

BD: central opening at the top of a volcano

MD: opening at the top of volcanoe

BD: lava that comes out of and over the sides of a volcano

MD: lava that flows sown the sides

BD: activity on earth that is caused by heat from within

MD: activity on earth caused by heat

BD: thin layers of lava that harden, forming a gradually inclined hill

MD: thin layers of lava that harden

BD: most common, mixture of pyroclastic flow and lava

MD: most common volcanoe

BD: made from pyroclastic flow, explosive eruptions

MD: a cone shaped volcanoe

BD: hot water coming out of the ground

MD: hot water out of the ground

BD: magma chamber collapses and volcano sinks into itself

MD: magma chamber that collapses