Oceanography Test 1 study guide
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Oceans influence what | weather and climate
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| Important marine resources | food, oxygen, and natural resources
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| Have humans seen much of the ocean? | no, very little
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| Human effects on the oceans include | depleted fisheries, loss of marine environment, and pollution
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| recording and describing ocean processes and contents | Oceanography
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| biological and physical oceanography | 2 of the 4 main branches of oceanography
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| Uses processes of science to find answers | Scientist
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| Has made true exploration of the oceans possible | technology
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| A body of knowledge an an organized method | Science
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| Has improved and threatened human and other organism's lives | Science and Technology
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| The most logical action society can take about the effects of science and technology | Prioritize the consequences to the environment in applying technologies
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| Scientific process skills include | ID problem and predict outcomes, construct models, compare observations
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| A hypothesis is... | Educated, scientific guess that you can test
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| A Theory is? | a scientific explanation with supporting evidence
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| Polar molecule | has a positive and negative charged end
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| What is a Solution? | 2 or more substances with evenly dispersed molecules
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| Salinity | inorganic dissolved solids in seawater
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| Seawater's colligative properties | characteristics caused by the dissolved solids in seawater
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| Principle of constant proportions | Regardless of the salinity of seawater, the proportion of inorganic dissolved solids remains the same relative to each other.
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| Besides hydrogen and oxygen, this is the most abundant chemical in seawater. | Cloride
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| Are the oceans becoming more or less salty? | Neither
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| What causes pH to change with depth? | Carbon dioxide
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| A biogeochemical cycle | elements and compounds moving continuously to and from organisms and the Earth
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| Fundamental to all life form | Carbon
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| Organisms use nitrogen for? | the formation of organic compounds
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| An important component to DNA and nucleic acids | Phosphorus
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| Used for shells and skeletons in marine organisms. | Silicon
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| Used to construct specialized proteins | Iron and trace metals
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| Movement of materials by diffusion | Passive transport
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| Movement of materials from low to high concentration | Active transport
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| These can control the water concentration in their cells | Osmoconformers
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| These can change with the salinity of surrounding water | Osmoregulators
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| Cold water_____when added to hot water. | Sinks
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| Cold water is more____than warm water. | Dense
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| How does science progress? | through revisions of theories based on new evidence
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| What percentage of the Earth is covered with water? | 71%
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| The world's oceans provide what percent of the biosphere (where organisms live)? | 99%
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| Bonding of + and - electrons in Polar molecules | Hydrogen bond
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