Quiz #1 1. The earth’s Population is A. B. C. D. Increasing at a linear rate Increasing at an exponential rate Decreasing at a linear rate Decreasing at an exponential rate 2. Which of the following earth layers is the least dense? A. B. C. D. E. Inner Core Outer Core Mesosphere Continental Crust Oceanic Crust 3. What is the most abundant element in the earth? A. B. C. D. E. Hydrogen Helium Carbon Iron Oxygen 4. Systems that allows energy exchange but not matter across their boundaries are called A. B. C. D. E. Closed Systems Isolated Systems Perpetual Systems Potentially Renewable Systems Open Systems 5. What percentage of the original 235U atoms (radioactive isotope) will exist after 2 half-lives have elapsed? A. B. C. D. E. 100% 75% 50% 25% 0% 6. Given the following RESIDENCE TIMES for water: Ocean: 2650 years Atmosphere: 8 days In which reservoir would expect the water to be well-mixed? A.Ocean B.Atmosphere C.Equally well-mixed in both reservoirs 7. On the figure below, using your knowledge of stratigraphic principles, which order of events (oldest first) is correct? A. B. C. D. E. Fault B, Dike B, Batholith Fault B, Batholith, Dike B Batholith, Fault B, Dike B Batholith, Dike B, Fault B No Way to determine from the information given 8. Which statement most accurately reflects the energy budget of the whole earth system? A. B. C. The amt. received is approximately equal to the amt. flowing out. The amt. received is significantly larger than the amt. flowing out. The amt. received is significanly smaller than the amt. flowing out. Quiz #2 1. Type of Wave shown at point 1 on the seismogram? A. P Wave B. R Wave C. S Wave D. Surface Wave 2. Type of Wave shown at point 2 on the seismogram? A. P Wave B. R Wave C. S Wave D. Surface Wave What is the feature of an earthquake shown by the red dot at point 3? A.Hypocenter B.Epicenter C.Hypercenter D.Magnitude Center 3. 4. How many recording stations are generally needed to pinpoint the location of an earthquake? A. B. C. D. E. 1 2 3 4 5 5. At which of the following plate boundaries would you expect to find a subduction zone? A. B. C. D. Transform Divergent Ocean-Continent Convergent Continent-Continent Convergent 6. At which of the following locations would you expect the deepest earthquakes? A. B. C. D. Subduction Zone Mid-Ocean Ridge Continental Rift Zone San Andreas Fault Transform Boundary