Term
| As a volanic island moves aways from a hot spot it |
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Definition
| Gets worn away by waves, and cools and sinks |
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Term
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Definition
| The oldest ocean crust is about _____ years old. |
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Term
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Definition
| The oldest ocean crust is found in the _______ ocean. |
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Term
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Definition
| Approximately when did Plate Tectnoics become a widely accepted idea? |
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Term
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Definition
| Occur mostly near plate boundaries |
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Term
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Definition
| Gets credit for proposing the idea of Plate Tectonics |
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Term
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Definition
| Layer of the earth that has the highest density material |
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Term
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Definition
Compressional waves
Primary waves
Are always first to arrive
Are usually the ones you hear coming just before the shaking starts during an earthquake |
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Term
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Definition
| Shear waves and Travel through solids only |
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Term
| Lines of Evidence of Plate Tectonics |
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Definition
Original:
- Fit of continents
- Location of same extinct animal species
- Location of same kinds of rocks
- Past glaciation
Modern:
- Seismic evidence
- Structural evidence
- Magnetic evidence
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Term
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Definition
Embryonic
Juvenile
Mature
Declining
Terminal
Suturing |
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Term
| Describe how we know what directions the Pacific plate has traveled during the last 70 million years |
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Definition
| Volcanic chains that are formed show the path away from the source of the magma |
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Term
| List the layers of the earth based on physical properties from the inside out |
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Definition
Inner core
Outer Core
Mesosphere
Asthenosphere
Lithosphere |
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Term
| List the layers of the earth based on composition from the inside out |
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Definition
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Term
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Definition
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Term
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Definition
| Known as the father of modern oceanography and was killed by the Hawaiians |
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Term
| Continental shelves and slopes |
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Definition
| Part of the continents that are covered by water |
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Term
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Definition
| First map of the Gulf Stream was made by |
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Term
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Definition
| A piece of land that was formed somewhere else |
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Term
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Definition
| The average depth of the oceans is approximately |
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Term
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Definition
| The last supercontinent that existed about 200 million years ago |
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Term
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Definition
| Occupies the largest part of the ocean basins |
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Term
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Definition
| Approximately 20,000 years ago sea level was ____than/as it is today |
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Term
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Definition
| Graded beds (in which the sediments go from big at the bottom to fine at the top) are associated with |
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Term
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Definition
| The two people to go to earths deepest trench first |
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Term
| A subduction zone and large rivers |
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Definition
| The shape of the seafloor along the Oregon coastline has been influenced by |
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Term
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Definition
| The shape of the seafloor along the Texas coastline has been influenced by |
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Term
| 1977, Marie Tharp and Bruce Heezen |
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Definition
| The first comprehensive map of the sea floor was published in ___ by ______ |
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Term
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Definition
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Term
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Definition
| The worlds tallest mountain above the sea floor |
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Term
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Definition
| Our modern system of latitude and longitude was developed by |
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Term
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Definition
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Term
| Outgassing at volcanoes and comets crashing to earth |
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Definition
| Water on earth originally came from |
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Term
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Definition
| First estimated the circumference of the Earth |
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Term
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Definition
| The first "Full Time" oceanographer |
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Term
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Definition
| The original Challenger Expedition lasted from |
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Term
| Accretion and differentiation |
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Definition
| The earth was formed through the processes of ___ and ___ |
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Term
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Definition
| A gas that was not part of the early atmosphere |
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Term
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Definition
| Earliest evidence of life dates back to about |
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Term
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Definition
| The idea that less dense materials "float" on more dense materials |
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Term
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Definition
| The main driving force for plate tectonics |
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Term
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Definition
| The shelf break occurs at about |
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Term
| Mineral crystals, on mid ocean ridges |
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Definition
| Black smokers are made out of ____ and they form ___ |
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Term
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Definition
| The scientific idea concerning how the solar system formed |
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Term
| The Giant Impact Hypothesis |
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Definition
| The scientific idea concerning how the moon most likely formed |
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Term
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Definition
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Term
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Definition
| Found on the deep ocean floor and precipitated by bacteria |
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Term
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Definition
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Term
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Definition
| Carbonate compensation depth |
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