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Ocean 100 Sacramentogrilo Exam 1 Questions With 100% Verified Answers
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Ocean 100 Sacramentogrilo Exam 1 Questions With 100% Verified Answers
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Ocean 100 Sacramentogrilo Exam 1Questions With 100% Verified Answers
science - -study of the physical, natural world through observations &
experiments
- scientific method - -principles & empirical processes of discovery &
demonstration considered characteristic of/ necessary for scientific
investigation
- what are the steps of the scientific method? - -(1) observation
(2) hypothesis
(3) testing/experimenting
(4) theory
- hypothesis - -idea proposed to explain 1 or more facts; must be testable &
potentially false
- scientific theory - -structure of ideas that explains a large, diverse number
of facts
- what are the 3 factors of scientific theory? - -(1) supported by abundant
evidence
(2) rigorously tested
(3) parsimonious (most efficient, simplest explanation)
- what are some examples of scientific theory? - -- plate tectonics (geology)
- evolution (biology)
- gravity, relativity (physics)
- big bang (astronomy)
- what are the fields involved in oceanography? - -(1) geology
(2) geography
(3) biology
(4) chemistry
(5) physics
(6) astronomy
(7) engineering
- what are some examples involving geology? - -seafloor tectonics, coastal
processes, sediments, hydrologic cycle
- what are some examples involving geography? - -wind belts, weather,
coastal landforms, world climate
, - what are some examples involving biology? - -fisheries, ecological
surveys, microbiology, marine adaptions
- what are some examples involving chemistry? - -dissolved components,
temperature dependence, stratification/density, chemical tracers
- what are some examples involving physics? - -currents, waves, sonar,
thermal properties of water
- what are some examples involving astronomy? - -tidal forces, oceans on
other planets, origin of water, origin of life
- what are some examples involving engineering? - -machinery used by
scientists to explore the deep-ocean floor
- what are the earth's 4 spheres? - -(1) lithosphere
(2) asthenosphere
(3) mesosphere
(4) outer & inner core
- cross-sectional view - -side view (ex. cutting a cake, able to see its layers)
- map view - -bird's eye view,
- block diagram - -3-d view
- mercator projection - -2-d depiction of spherical earth; lands towards poles
are magnified/distorted
- what are the 5 oceans? - -(1) pacific
(2) atlantic
(3) indian
(4) arctic
(5) antarctic
- which ocean is the largest & deepest? why? - -pacific; has the most
trenches (ex. mariana trench)
- which ocean is the shallowest? why? - -arctic; heavily surrounded by wide,
continental shelves
- what percentage of the earth's surface is ocean? - -71%
- what percentage of water on earth is ocean (salt/saline water)? - -97%;
other 3% (fresh water) are found in ice caps, lakes, & rivers
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