Unit IV Homework assignment EARTH SCIENCE
Take Test: Unit IV Assessment
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QUESTION 1
1. Recall from your reading about the principle types of volcanoes to choose the best answer: Crater Lake, a caldera, formed from the collapse of a __________.
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composite volcano. |
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shield volcano. |
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cinder volcano. |
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lava dome |
QUESTION 2
1. According to the radiometric time scale reading, which of the following describes radioactive decay?
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The number of protons remains the same, but the number of neutrons varies |
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The number of neutrons remains the same, but the number of protons varies |
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The mass number of the daughter isotope is one more than the parent and both isotopes have the same atomic number |
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The daughter isotope has an atomic number two less than the parent and a mass number four less |
QUESTION 3
1. Refer to the following relative time scale diagram to answer the question: which period represents the longest subdivision of the geologic time.
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Precambrian |
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Eocene |
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Carboniferous |
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Mississippian |
QUESTION 4
1. Mt. Rainier in Washington State is an excellent example of what principle type of volcano?
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An eroded shield volcano |
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A caldera |
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A stratovolcano |
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Flood basalts |
QUESTION 5
1. Recall from your reading about the nature of volcanoes to choose the best answer: A volcanic eruption is driven by __________ and __________ which forces its way upward and may ultimately break though zones of weaknesses in the Earth's crust.
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heat; water pressure |
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heat; gas pressure |
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buoyancy; gas pressure |
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buoyancy; water pressure |
QUESTION 6
1. Recall your reading of Relative Time Scale and Radiometric Time Scale and match the term with the definition.
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QUESTION 7
1. Recall from your reading of Principal Types of Volcanoes, and match the description to the type of volcano.
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QUESTION 8
1. Recall from your reading about the radiometric time scale to put the following isotopes in order of use, from oldest rock to youngest.
- 1. 2. 3. 4. 5. 6. 7.
Carbon-14
- 1. 2. 3. 4. 5. 6. 7.
Potassium-40
- 1. 2. 3. 4. 5. 6. 7.
Samarium-147
- 1. 2. 3. 4. 5. 6. 7.
Thorium-232
- 1. 2. 3. 4. 5. 6. 7.
Uranium-235
- 1. 2. 3. 4. 5. 6. 7.
Uranium-238
- 1. 2. 3. 4. 5. 6. 7.
Rubidium-87
200 words QUESTION 9
1. Recall from reading the nature of volcanoes, and in your own words, briefly discuss how the rate of cooling determines the type of rock that forms from magma/lava.
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200 words QUESTION 10
1. According to the figure below, give an approximate age for the Dakota Sandstone and for the Wasatch Formation. Explain what evidence you used to determine this.
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200 words QUESTION 11
1. Recall from your reading about the nature of volcanoes, and in your own words, compare and contrast aa and pahoehoe lava in appearance and how they form.
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200 words QUESTION 12
1. In your own words, compare and contrast relative age dating with radiometric dating. What are the strengths and limitations (if any) of each? Reference USGS (2001). Your response should be at least 200 words in length.
Take Test: Unit V Assessment
Top of Form
QUESTION 1
1. __________ develop where oceanic lithosphere bends downward and sinks into the mantle.
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Guyots |
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Deep-ocean trenches |
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Submarine canyons |
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Oceanic ridges |
QUESTION 2
1. One result of wave refraction is that wave energy is concentrated __________.
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on headlands projecting into the water |
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on tombolos |
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in bays, coves, and other recessed areas between headlands |
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on spits |
QUESTION 3
1. Which element is most common dissolved in seawater?
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Sodium |
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Chlorine |
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Magnesium |
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Gold |
QUESTION 4
1. The __________ Ocean is the largest; the __________ Ocean is the smallest.
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Pacific; Arctic |
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Atlantic; Indian |
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Pacific; Indian |
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Arctic; Atlantic |
QUESTION 5
1. __________ are huge circular-moving current systems that dominate the surface of the ocean within an ocean basin.
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Tombolos |
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Gyres |
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Coriolis |
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Upwellings |
QUESTION 6
1. Examine the figure. Match each of the lettered locations with the name of the shoreline feature shown there.
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QUESTION 7
1. Match the term with the definition.
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200 words QUESTION 8
1. Discuss two reasons why summer temperatures in coastal locations in Southern California are cooler than coastal locations at the same latitude in Georgia.
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200 words QUESTION 9
1. The best place to look for crabs is between the high tide and low tide zones (the tidal flat). Knowing this, would you expect to find more crabs during a full moon/new moon or during a quarter moon stage? Explain why.
200 words QUESTION 10
1. Examine the chart below. At what latitudes do we find the maximum salinity? Briefly explain what contributes to high salinities here versus polar and equatorial regions.
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QUESTION 11
1. You are taking samples of water depth as you cross the ocean from North America to Africa. You notice that about halfway through your journey, the ocean floor is more elevated. Explain the plate tectonic processes that form this elevated region of the seafloor. Your response should be at least 200 words in length.
Take Test: Unit VI Assessment
Top of Form
QUESTION 1
1. The tops of tall mountains are much colder than surrounding lowlands. This is evidence of __________.
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solar heating |
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global warming |
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the environmental lapse rate |
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ozone depletion |
QUESTION 2
1. The most important process of cloud formation in the atmosphere is __________.
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cooling by compression of air |
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radiation cooling |
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cooling by expansion of air |
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cooling by release of latent heat of vaporization |
QUESTION 3
1. The storage of heat in the lower layer of the atmosphere due to certain gases absorbing heat is called __________.
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adiabatic cooling |
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radiosonde |
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scattering |
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the greenhouse effect |
QUESTION 4
1. Examine the figure below. Which of the four lettered positions depicts the Northern Hemisphere winter solstice?
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A |
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B |
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C |
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D |
QUESTION 5
1. The change of state from a gas to a liquid is called __________, and when this occurs in the atmosphere it results in __________.
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evaporation; rain and sleet |
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sublimation; relative humidity |
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condensation; fog and clouds |
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melting; snow and run-off |
QUESTION 6
1. Match the term with the correct description.
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QUESTION 7
1. Match the term with the correct description
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200 words QUESTION 8
1. Examine the graph below. In your own words, describe why we see a seasonal difference in CO2 concentration in the atmosphere.
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200 words QUESTION 9
1. Examine the figures below. Contrast the role the greenhouse effect plays in the atmospheres of (a) the Moon, (b) Earth, and (c) Venus.
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200 words QUESTION 10
1. Compare and contrast weather and climate and how the atmosphere affects both.
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200 words QUESTION 11
1. In the picture below, explain why the balloons are rising in terms of atmospheric stability. What effect does water vapor have on atmospheric stability?
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200 words QUESTION 12
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