Lab 5 Assignment

.docx

School

Kennesaw State University *

*We aren’t endorsed by this school

Course

3050

Subject

Geography

Date

Apr 3, 2024

Type

docx

Pages

7

Uploaded by DeanTree11743

Report
Lab 5: Weathering GEOG 1113L – Introduction to Landforms Lab Name: _Zaynab Faqeeri____________ I. What is Weathering? 1. What does weathering create/provide and what would Earth’s surface be composed of if weathering did not happen? Weathering breaks down the rocks and creates fragmented materials or sediments which become the raw material for other rocks and for the formation of soils. It is the principal source of inorganic material in the solid, which vegetations need to grow. If it weren’t for weathering the Earth’s continental surface would just be solid bedrock. 2. What is the difference between weathering and erosion? The difference between weathering and erosion is that weathering preps the rock materials to be moved and erosion is when the rock actually moves. 3. Describe the process of frost wedging (frost action). Frost wedging is when water gets absorbed into the pores of a rock and then once the water freezes the rock expands and the stress builds up causing the rock to break. 4. Similar to frost wedging, salt crystal growth_________ fractures rocks through crystal growth within the pores of the rock. These crystals originate from water____ inside the rock that later evaporates and leaves behind _salt crystals____. 5. The two previously mentioned types of weathering are both forms of what? The two previously mentioned types of weathering are both forms of mechanical weathering. 6. Which type of weathering causes metal to rust? Oxidation causes metal to rust which is a type of chemical weathering. 7. Weathering that alters minerals in a rock via water, oxygen, carbon, and/or other organic acids is called what? Weathering that alters minerals in a rock via water, oxygen, carbon, and/or other organic acids is called chemical weathering. 8. Which type of weathering causes karst topography? Chemical weathering causes karst topography 9. Name three features you might find in a karst landscape. You might find streams sink holes, and caves in a karst landscape. 10. What is one fact (from the video) about caves that you find interesting? One fact from the video about caves that I find interesting is that there is a possibility to see human artifacts from the iron ages. 11. Tree roots, lichen, and humans all play a part in weathering as well. Which type of weathering is this called? This is called biological weathering.
II. Weathering Resistance Use the two images below to answer questions about weathering resistance. Assume all rock layers in both images have been subjected to the same type/amount of weathering. Image A: 1. Which color/pattern represents a rock layer that is MOST resistant to weathering compared to the others? The dark grey color is most resistant to weathering. 2. Which color/pattern represents a rock layer that is LEAST resistant to weathering compared to the others? The black color is least resistant to weathering. 3. Which colors/patterns represent rock layers that share the same level of resistance to weathering compared to the others? The grey and light grey color seem to share the same level of resistance to weathering compared to others.
Image B: 4. Within the red box, which layer appears to be most resistant to weathering (A, B, or C)? B is most resistant 5. Within the red box, which layer appears to be the least resistant to weathering? A is least resistant. 6. What is one indication that a rock layer is more resistant to weathering? One indication that a rock layer is more resistant to weathering is that it is less fractured.
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
  • Access to all documents
  • Unlimited textbook solutions
  • 24/7 expert homework help