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3 rd Quarter- Earth Science Jeopardy- Test #2

3 rd Quarter- Earth Science Jeopardy- Test #2. 10 points Question: How is physical weathering different than chemically weathering? Answer: Physical we athering only results in a change in shape or size, while chemical weathering actually alters the composition of the item being weathered.

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3 rd Quarter- Earth Science Jeopardy- Test #2

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  1. 3rd Quarter- Earth Science Jeopardy- Test #2

  2. 10 points Question:How is physical weathering different than chemically weathering? Answer: Physical weathering only results in a change in shape or size, while chemical weathering actually alters the composition of the item being weathered.

  3. 20 points Question: Identify all three forms of either chemical or physical weathering Answer: Physical: Frost Action, Abrasion, Organic Activity, Exfoliation Chemical: Oxidation, Hydrolysis, Carbonation

  4. 30 points Question:What type of environment (in terms of moisture and temperature) is 1) physical weathering and 2) chemical weathering dominant? Answer: Physical = Moist + Cold Chemical = Moist + Hot

  5. 40 points Question:Explain how frost action and exfoliation could work together to speed up physical weathering. Answer: Exfoliation peels back the rock exposing more of the rock to water. Ice wedging can also occur and together they will speed up the breaking of the rock

  6. 50 points Question:Explain how each of the three (3) factors affecting weathering impacts the breakdown of rock. Answer: Composition: The higher the hardness of the minerals in a rock the more resistant to weathering it will be Surface Area: Increased surface area means more of the rock is exposed to the elements Climate: The warmer and more moist the climate the more weathering will occur

  7. 10 points Question:Identify the five factors affecting the production of soils. Answer: Slope of the land, time, climate, organic activity, and composition

  8. 20 points Question:Explain how slope influences the thickness of soil in a given area. Answer: The steeper the slope the thinner the soil. The less steep the slope the thicker the soil.

  9. 30 points Question: Soils that contain large quantities of calcium were most likely weathered from the bedrock of what rock type? Answer: Limestone

  10. 40 points Question:Compare and contrast residual and transported soils in at least two unique ways. Answer: They are both types of soil but one is formed in place, while the other is transported from one area to another

  11. 50 points Question:Identify each of the five (5) soil horizons from least to most deep, and describe at least three (3) of the horizons. Answer: O: organic material present A: zone of accumulation B: zone of leaching C: no true soil here R: bedrock

  12. 10 points Question: What are the four agents of erosion? Answer: Gravity Water Ice Wind

  13. 20 points Question:What are the erosional processes for erosion by ice and water? Answer: Water (rivers) and Ice (glaciers)

  14. 30 points Question:The process of deflation and abrasion is associated with which same agent of erosion? Answer:Wind

  15. 40 points Question:Identify four erosional processes, one for each agent of erosion. Answer: Gravity = Mass Wasting Water = River Ice = Glacier Wind = Deflation/Abrasion

  16. 50 points Question:Explain 1) the two agents of erosion where abrasion can take place, and 2) how abrasion takes place in both of those agents. Answer: Wind and Water. Wind sandblasts rock making them smooth, while water makes rocks tumble along the bottoms of rivers

  17. 10 points Question:How are the valleys carved by glaciers different than that of rivers? Answer: Rivers = V shaped valley Glaciers = U Shaped valley

  18. 20 points Question:What direction did the glacier flow according to the picture below? Answer: Towards the right (Lee slope/B)

  19. 30 points Question:How is the sorting in eskers different than the sorting in a moraine and drumlin? Answer: Eskers are sorted while drumlins and moraines are not sorted.

  20. 40 points Question:Which two glacial structure reveal information about the glaciers direction of movement? Answer:Striations and Drumlins

  21. 50 points Question:Using your knowledge of sediment sorting, explain why mass wasting cannot produce sorting, while rivers (i.e. moving water) always produces sorting. Answer: Mass wasting is a random movement of various sediments. Rivers have velocities that either speed up or slow down either leading to the gradual picking up or dropping of sediments based off of their velocities

  22. 10 points Question:Identify the three stages a river Answer: Youthful Mature Old Age

  23. 20 points Question:If a river is moving at 6 cm/s, what is the largest sediment size in centimeters that it can carry in either the suspended or bedload? Answer: 0.1 cm

  24. 30 points Question:What is the relationship between a stream’s velocity and the sediment size it can carry? Answer: The faster a stream’s velocity the larger the sediment size it can carry

  25. 40 points Question:What is the difference between the suspended load, bedload, and dissolved load? Answer: SL: floating particles of fine sand, silt, and clay BL: made up of larger coarser sediment (course sand and gravel) DL: minerals dissolved in solution (e.g. Halite and calcite)

  26. 50 points Question:Compare and contrast youthful and old age river systems in at least three (3) unique ways. Answer: Youthful: faster velocity, larger sediment size, little meandering Old Age: very slow velocity, smaller sediment size, intense meandering and oxbow formation

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