Term
| Yellowstone national park lies atop what? |
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Definition
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Term
| What two things make up Pangaea? |
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Definition
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Term
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Definition
| youngest volcano in the Hawaiian chain (active) |
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Term
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Definition
| critical temperature at which rock becomes manetized |
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Term
| T/F Transform boundaries do not generate earthquakes. |
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Definition
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Term
| A new oceanic lithosphere is generated at mid oceanic ridges. T/F |
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Definition
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Term
| The Hawaiian islands are not a volcanic arc. T/F |
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Definition
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Term
| Sea floor spreading is this ideas support by magnetic polarity strips? |
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Definition
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Term
| Time intervals on magnetic field reversals? |
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Definition
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Term
| Where to find a submarine trench? |
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Definition
| At the convergence of two tectonic plates |
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Term
| Is crust consumed off transform boundaries? |
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Definition
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Term
| Do we see recycling of any type of crust at a transform boundary? |
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Definition
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Term
| What did Alfred Wegener propose? |
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Definition
| The idea of Continental Drift |
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Term
| The lithosphere is stronger than the____? |
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Definition
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Term
| Rocks at the core are ____ than crustle rocks. |
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Definition
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Term
| When did Pangaea start to break up? |
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Definition
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Term
| how fast do Tectonic plates move? |
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Definition
| About as fast as fingernails grow |
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Term
| How do we keep up with hot spots? |
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Definition
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Term
| How do seismologists know that the inner core is liquid? |
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Definition
| Because S waves are not able to travel through liquid. |
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Term
| Why did no one believe Wegener? |
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Definition
| He could not say HOW things were moving |
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Term
| How did sea floor spreading justify Wegener? |
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Definition
| It showed that the sea floor is not a static piece and the existence of mid oceanic ridges. |
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Term
| At a convergent boundary which things sink? |
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Definition
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Term
| How are transform plate boundaries marked? |
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Definition
| linear valleys and steam beds |
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Term
| How do magnetic strips show that the sea floor is actually spreading? |
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Definition
| Magnetic field recorded by iron-bearing igneous rocks, striking symmetrical magnetic anomaly stripes. |
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Term
| What happened to Easter Island? |
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Definition
| Overpopulations, deforestation, soil erosion, loss of agricultural base, further conflicts and wars, geographic isolations, and geologic limitations. |
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Term
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Definition
| The present is the key to the past |
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Term
| Population increase is becoming a catastrophe, why? |
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Definition
| Resource strain, people are living in places that are not necessarily habitable (California) |
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Term
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Definition
| The boundary between the mantle and the crust |
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Term
| Difference between the lithosphere and the asthenosphere? |
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Definition
| The lithosphere is the cool, strong outermost layer of the Earth, more rigid, while the Asthenosphere is a hot and slowly flowing layer of relatively weak rock. |
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Term
| Fastest earth quake wave? |
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Definition
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Term
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Definition
| Earth is a living organism. |
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Term
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Definition
| A type of system where there is a constant flow of energy and matter across the borders of the system (i.e. River) |
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Term
| A scientific method begins as a _______. |
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Definition
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Term
| Doubling time for population is ______ . |
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Definition
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Term
| A closed system is always open for scrutiny. T/F |
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Definition
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Term
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Definition
| Man made desert caused by extensive Copper mining and deforestation. Extreme pollution caused by acid rain and massive plant death. |
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Term
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Definition
| once the 4th largest inland sea, now disappearing because it's main sources were diverted for irrigation. Contaminates and toxic substance have been found in the soil of the dried up lake bed. |
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Term
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Definition
| responsible for the entire environment, not just humans |
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Term
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Definition
| a set of statements or principles devised to explain a group of facts or phenomena |
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Term
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Definition
| a tentative explanation for an observation, phenomenon, or scientific problem that can be tested for further investigation |
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Term
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Definition
| a basic truth, law, or assumption |
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Term
| Open system v Closed system |
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Definition
| an open system takes matter in and out of other systems (ie river) while a closed system doesn't get or give matter from or to any other system (i.e. Earth) |
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Term
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Definition
| measure of the time it takes for the total stock or supply of the material to be cycled through a system. T = S/F |
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Term
| What is Earth System Science? |
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Definition
| Seeks to integrate various fields of academic study to understand the Earth as a system. |
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Term
| Why is human population growth a problem? |
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Definition
| More waste, resource strain |
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Term
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Definition
| (G) Growth rate measured as a percentage, Doubling time (D): D = 70/G |
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Term
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Definition
| A resources ability to be replenished and renewed (i.e. forests) |
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