19 Mar Physical Geology
PART 1
— Describe the main processes of mechanical weathering, and the types of materials that are produced when mechanical weathering predominates
— Describe the main processes of chemical weathering, and the products of chemical weathering of minerals such as feldspar, ferromagnesian silicates, and calcite
— Explain the type of weathering processes that are likely to have taken place to produce a sand sized sediment deposit
— Discuss the relationships between weathering and soil formation and the origins of soil horizons
— Explain the geological carbon cycle, and how variations in rates of weathering can lead to climate change
— Describe the differences between cobbles, pebbles, sand, silt, and clay
— Explain the relationship between clast size and the extent to which clasts can be transported by moving water or by wind
— Apply your understanding of the features of sedimentary rocks, including grain characteristics, sedimentary structures, and fossils, to the interpretation of past depositional environments and climates
— Explain the importance of and differences between groups, formations, and members
PART 2 (Answer both questions briefly and thoroughly)
Question 1
Here are a few interesting links about Paleontology:
https://www.ess.washington.edu/research/groups/paleontology.php
https://www.dmr.nd.gov/ndfossil/
https://www.fs.usda.gov/science-technology/geology/paleontology
https://www.blm.gov/programs/cultural-resources/paleontology
— Summarize TWO interesting facts you learned and pose an interesting question at the end of your summary that your classmates may reply to. Make sure you list sources!
Question 2
What is a soil scientist?
A soil scientist studies the upper few meters of the Earth’s crust in terms of its physical and chemical properties; distribution, genesis and morphology; and biological components. A soil scientist needs a strong background in the physical and biological sciences and mathematics.
What is soil science?
Soil science is the science dealing with soils as a natural resource on the surface of the Earth including soil formation, classification, and mapping; physical, chemical, biological, and fertility properties of soils; and these properties in relation to the use and management of the soils.
Soils play multiple roles in the quality of life throughout the world. Soils are not only the resource for food production, but they are the support for our structures, the medium for waste disposal, they maintain our playgrounds, distribute and store water and nutrients, and support our environment. They support more life beneath their surface than exists above. They facilitate the life cycle of growth, sustenance and decay. They influence the worldwide distribution of plants, animals, and people.
https://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/edu/?cid=nrcs142p2_054277
— After reading the above section, look up some additional information on soil sciences and share an additional fact with the class then share a recent experiment/ study with the class (briefly explain your pick). Make sure to list sources.
Question 3
Pick one species as your favorite creature! It could be an animal, plant, fungus or bacteria. Humans and pets are excluded. Use reliable information sources to research this creature and answer the 3 questions:
-What makes your favorite creature unique compared to other species?
-What is your favorite creature’s geographic range? In which ecosystem/biome does it live?
-How does your favorite creature fit into the food web? What does it eat? And who eats it?
Also include why you picked this particular species as your favorite creature, and at least one embedded picture or video of your species.
*Please cite each reference used I don’t actually know if 12 sources will be used..
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