Activity #2.a: TRUE OR FALSE.
1. Weathering is a degradation process that involve movement of materials.
2. Intrusive igneous rocks are formed deep beneath Earth's surface.
3. Water is perhaps the most important agent of chemical weathering.
4. The driving force of mass wasting is gravity.
5. Landslides are sudden fast movement of rock or regolith.
6. Debris avalanche are very low velocity flows of large volume of mixtures of rocks.
7. The mixture of sediment and water at high velocity refers to mudflows.
8. Talus is the accumulation of fallen materials located at the base of the cliff.
9. The steepest angle at which materials remain stable refers to angle of repose.
10. Cracks influence the ability of water to seep through the rock.
Activity 2.b: FILL IN THE BLANKS.
11. The process of "peeling off" is known as _____.
12. _____ occurs when large masses of igneous rock are exposed to pressure.
13. Rocks and debris fall happen when materials are dislodged and move along steep _____.
14. _____ are formed by successive floods over many years.
15. The _____ that results different stresses may cause the rock to crack.
16. _____ are parts of a stream that leaves the main flow.
17. Reducing _____ in a slope makes the slope more stable.
18. Continued _____ causes sheets of rocks to break away.
19. _____ are deposits of coarse materials in the shape of hills and ridges.
20. When carbon dioxide dissolves in water, it yields to _____.
21. Water has a lubricating effect that lessens the _____ among particles, allowing it to slide past easily.
22. _____ is the process wherein fractured bedrocks are incorporated into the ice.
23. Continuous flow of water wears out stones along the bank of rivers refers to _____.
24. _____ erode mountains and slopes through plucking and abrasion.
25. A winding ridge of sand and gravel deposited under a glacier by water melting from the ice is known as _____.