Earth/Env. Science (honors)
Terms
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- What are the main areas of Earth Science?
- Oceanography, Meteorology, Astronomy, & Geology
- What is the problem with all maps?
- The world is round, and a flat map distorts the real representation.
- What is a Mineral?
- a naturally occuring, inorganic crystalline materials w. a unique chemical composition.
- What are the propeties of minerals?
- Color, Chrystal form, Luster, Fracture, Density, & Cleavage.
- Why is soil erosion rates faster today than in the past?
- They are faster today because homan activities that remove natural vegitation have greatly acceleratted erosion.
- What is the theory of plate tectonics?
- That the earth is made up of plates that are constantly moving and shifting.
- What is/are the lays of superposition.
- That the layer underneath is older than the layer found on top.
- What are some advantaged and disadvantages of hydroelectric power?
- Advantages: You gain a lot of energy from a source without pollution. Dis: You must flood a good chunk of land to form reserviors & dams can break
- What are nonrenewable and renewable resources?
- Renewable, means they can be used more than once. Non-Renewable means they can only be used once.
- Where does sea floor spreading occur?
- At a divergent plate boundary
- What are greenhouse gasses?
- Are gasses that are causing our atmosphere to stay at warm temperatures.
- What is the doppler effect?
- It is the apparent change in frequency of electromagnetic or sound waves cause by motions of source & the observer.