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Understanding Weathering, Erosion, and Deposition: Key Processes in Geology

This text delves into the fundamental concepts of weathering, erosion, and deposition, explaining how these natural processes shape our landscapes. It covers two types of weathering—mechanical and chemical—and elements such as ice wedging, abrasion, differential weathering, and the importance of erosion in soil movement. Additionally, it discusses volcanic activity, tectonic plate motions, and the relationship between potential and kinetic energy during earthquakes, culminating in an overview of homeostasis and the functioning of body systems in maintaining balance.

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Understanding Weathering, Erosion, and Deposition: Key Processes in Geology

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  1. CBA #4 Review

  2. Weathering, Erosion, and Deposition • True or False • Weathering is a natural process that involves the breakdown of rock into smaller pieces. • True

  3. What are the two types of weathering? Name them. • Mechanical and chemical weathering

  4. True or False • Mechanical weathering breaks down rocks by chemical means. • False; physical

  5. ___ _______ occurs when water seeps into the cracks in rocks during warm weather, and then freezes and expands during cold weather. • Ice wedging

  6. Wind, water, and gravity can also contribute to the weathering of rocks by a process called ___________. • Abrasion

  7. True or False • Chemical weathering breaks down rocks and minerals into new substances. • True

  8. Softer rocks weather away first, leaving harder rocks behind is ____________ __________. • Differential weathering

  9. The process by which wind and water move soil and sediment from one place to another is ___________. • Erosion

  10. Put this in order. • Deposition, Weathering and Erosion • Weathering, Erosion, then Deposition

  11. _____ _________ shapes our shorelines and beaches and also creates sea arches, sea cliffs, and sea caves. • Wave erosion

  12. What is a system of vents, magma, and rock? • A volcano

  13. True or False • The force of magma pushing upward is equal to the force of the rock pushing down is eruption. • False; equilibrium

  14. Explosive eruptions can cause global changes by • A. Flooding crops • B. Erupting volcanic ash into the air • C. Causing earthquakes • D. None of the above • B

  15. What are the three (3) types of volcanoes? • Composite, Shield, and Cinder Cone

  16. True or False • Magma is found underground and lava is found above ground. • True

  17. Most earthquakes occur near the boundaries of __________ ________. • Tectonic plates

  18. What kind of energy builds up when rocks are stressed? • Potential energy

  19. Where does the most damage occur during an earthquake? • Focus or epicenter • Epicenter

  20. During an earthquake, _________ energy is converted to _________ energy. • Potential, kinetic

  21. The starting point of an earthquake is called a(n) ___________. • Focus

  22. Name the three (3) types of tectonic plate motion. • Transform, convergent, and divergent

  23. Which waves are more destructive, surface waves or body waves? • Surface waves

  24. Internal stimulus or External stimulus • Abby has the stomach flu and she is vomiting. • Internal stimulus

  25. Internal or external stimulus • Fever • Internal stimulus

  26. Internal or external stimulus • Riding a roller coaster • External stimulus

  27. Internal and external stimulus • Flinching when the needle is poked through the skin. • External stimulus

  28. Internal or external stimulus • A baby spitting up as a result of a gas bubble in the stomach. • Internal stimulus

  29. ____________ is the process that allows our bodies to maintain a stable internal environment (inside the body) when our external environment (outside the body) changes. • Homeostasis

  30. Name the three (3) categories based on how organisms get their food. • Producers, consumers, and decomposers/scavengers

  31. The skeletal system maintains homeostasis by • A. Protects your organs • B. Helps you move • C. Produces blood cells • D. All of the above • D

  32. The ________ system senses in the internal and external environment so that the body can adapt to the changes. • Nervous

  33. Which body system break down food? • Nervous, digestive, or cardiovascular • Digestive

  34. Which system transports nutrients to the cells of the body? • Nervous, digestive, or cardiovascular • Cardiovascular

  35. The main function of the musculoskeletal system is to allow _______. • Reproduction, movement, or growth • Movement

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