ESS 101 B LABORATORY 8 QUIZ GEOLOGIC HAZARDS PROFESSIONAL EXAMPREP 2026 TESTED QUESTIONS AND SOLUTIONS FULL REVIEW GRADED A+

ESS 101 B LABORATORY 8 QUIZ GEOLOGIC
HAZARDS PROFESSIONAL EXAMPREP 2026
TESTED QUESTIONS AND SOLUTIONS FULL
REVIEW GRADED A+


◉ Erosion. Answer: removal of material by water, wind, ice


◉ Mechanical weathering. Answer: physically breaking of rocks into
smaller pieces


◉ Frost wedging. Answer: type of weathering where water enters
cracks in rocks, water freezes and expands against walls of rock,
cracks enlarged and intervening rock is dislodged


◉ Unloading. Answer: type of weathering - expansion of rock from
removal/erosion of overlying rock
also called "sheeting"


◉ Thermal expansion and contraction. Answer: type of weathering
where vertical columns are formed when magma is cooling and
shrinking
"columnar jointing"

, ◉ Biological weathering. Answer: type of weathering where tree
roots grow into cracks in rocks and break it down


◉ Dissolution. Answer: a mineral dissolves in water
(calcite helps form caves, sinkholes)


◉ Oxidation. Answer: any reaction when electrons are lost from one
element (rusting)


◉ Hydrolysis. Answer: a mineral reacts with water to form a new
mineral (usually clay, Recitation Hall)


◉ Soil. Answer: - a product of weathering
- a combination of mineral and organic matter, water, and air


◉ 45% mineral matter
5% organic matter
25% water
25% air. Answer: percentages of composition of soil


◉ Parent material. Answer: factor controlling soil formation