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| "Great Ocean Converyer Belt" |
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| It moves water around the glove driven by temperature and salinity. Starts in the Norweign Sea and it takes 1,000 years to complete on "cycle". |
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Atmosphere---the air that surrounds us
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| all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds. |
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| the rigid outer part of the earth, consisting of the crust and upper mantle. |
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| Lithospheric plates can collide, pull apart, or slide past eachother. These movements can cause earthquakes, volcanic eruptions, & build mountain ranges. |
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| an isolated volcano, typically not on a lithospheric plate boundary, but lying above a plume or hot column of rock Earth's mantle |
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| is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior of the Earth to the surface. |
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| is the process by which a nucleus of an unstable atom loses energy by emitting particles of ionizing radiation. |
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| continuous, directed movement of ocean water generated by the forces acting upon this mean flow, and salinity differences and tides caused by the gravitational pull of the Moon and the Sun. |
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Abnormal warming in equatorial waters
Wetter than normal conditions across the southern part of North America |
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Abnormal cooling in equatorial waters
Dryer than normal conditions across the southern parts of North America |
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| a change from one state (solid or liquid or gas) to another without a change in chemical composition |
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| leads to deflection of moving air masses |
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a large-scale atmospheric convection cell in which air rises at the equator and sinks at medium latitudes, typically about 30° north or south.
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liquid rock cooling on Earth's surface
makes volcanic/extrusive rocks |
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liquid cooling underground
makes plutonic/intrusive rocks |
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| Magma incorporates groundwater |
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an extremely large basalt-lava volcano with gently sloping sides, such as those in Hawaii
-Broad flanks |
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| is a conical volcano built up by many layers (strata) of hardened lava, tephra, pumice, and volcanic ash |
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comes in white or pale shades of gray, yellow, pink, green, and lavender
extremely dangerous, causing it flow stiffly
obsidian
Very high silica content |
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intermediate, falling between low-viscousity basalt magmas and high-viscousity rhyolite magmas
most abundant
medium silica content |
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black or brownish black, magma is about fluid as cold molasses
low silica content |
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compotisions between rhyloite and andesite
erupt more vigously to make clouds of ash and fields of broken rubble
moderate to high silica content |
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| a body of intrusive igneous rock. |
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| a narrow part of something, resembling a neck in shape or position. |
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| an opening at the earth's surface from which volcanic material, as lava, steam, or gas, is emitted |
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| an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean |
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natural conduit that liquid lava can move through
-good way to get lava to move a long distance and to keep the lava really hot
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| a lump of lava thrown out by a volcano |
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| a large depression, generally more than 1km across, in the summit of a volcano and formed by collapse into the underlying magma chamber |
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| a broad expance of basalt lava that cooled to fill in low-lying areas of the landscape |
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| is a volcanic eruption that takes place on the flanks of a volcano instead of at the summit |
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| What are the two energy sources that geohazards come from? |
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Definition
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Term
| What happens to the density of water when it freezes? |
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Definition
| (ice cube) the water looses density |
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| How do ocean surface temperature play a role in weather? |
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Definition
Warm ocean water helps fuel storm systems
It can affect farmers which crops to plant, how deep to palnt them.
Food prices may increase when weather is to wet or to dry
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| was a supercontinent that existed on the Earth millions of years ago and covered about one-third of its surface |
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| is a destroyed stratovolcano in the Oregon part of the Cascade Volcanic Arc and the Cascade Range located in the United States. |
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| How fast can a Pyroclast density current move? |
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| What are the four explovise volcanoes? |
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Definition
1. Strombolian
2. Volcanian
3. Plinian
4. Peleen |
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| What three volcanos are effusive? |
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Definition
1. Icelandic
2. Hawaiian
3. Strombolian |
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| What is the Scientific Method? |
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Definition
systematic observations, methods, and experimentation used to form or test a model
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| The steps in a scientifc method |
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Definition
1. Observations
2. Methods
3. Experimentationx |
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| What are the rocks names that are plutonic? |
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| What is the name for volanic glass? |
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| A material's resistance to flow |
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| What four things control the eruptive style? |
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Definition
-Silica Content
-Volatile content
-Minerals
-different rock types |
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| eruption along a large crack |
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