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19 Cards in this Set
- Front
- Back
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Why study geology
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Because geology is all around you. The impact of geology, specifically minerals, rocks, and earth's resources, is not fully perceived by most people. The importance of geological resources to society and for personal use is profound and will be more fully understood and appreciated.
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geology means
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the study of the earth
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Dealing with the nature of scientific inquiry, what is all of science based on?
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the assumption that the natural world in a consistant and predictable manner that is comprehensible through careful, systematic study.
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Dealing with the nature of scientific inquiry, what does the developement of new scientific knowledge involve?
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basic logical processes that are universally accepted.
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science has two parts
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a process(procedure) and a product (content knowledge).
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scientific method
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a systematic process that is extremely effective in gaining, organizing, and applying new knowledge.
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The 4 steps to the scientific method
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1. recognize a problem or an unknown.
2. Develop an educated guess (hypothesis) about the possible answer. 3. Perform experiments or investigate to test the predictions 4. Formulate the simplest general rule that organizes the three main ingredients hypothesis, prediction, and experimental outcome. |
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From space the earth is breathtaking in its beauty and solitude, but it is actually much more than rock and soil. what makes it unique>
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water, it is called the blue planet.
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hydrosphere
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dynamic mass of water that is continually on the move, evaporating from the oceans to the atmosphere, precipitating to the land, and running back to the ocean again
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global ocean
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the most prominent feature of the hydrosphere.
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what percentage of the earth's surface is covered in water? what percentage of earth's water does the the global ocean account for?
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71. 97
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besides oceans what does the hydrosphere account for
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fresh water found underground, streams, lakes and glaciers. water is vital for life
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atmosphere
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life giving gaseous envelope that surrounds the earth.
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half of the atmosphere lies below an altitude of what? What percentage of the atmosphere lies within 10 miles?
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3.5 90%
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biosphere
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includes all life on earth.
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where is the biosphere located?
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it is concentrated in a zone that extends from the ocean floor upward for several kilometers into the atmosphere.
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concerning the biosphere, what would be some of the consequenses without life?
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the makeup and nature of the solid earth, hydrosphere, and atmosphere would be very different.
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lithosphere
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solid earth and the main focus of physical geology.
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where is the lithosphere?
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beneath the atmosphere and the oceans.
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