WorksheetsWeathering
Total questions: 10
Worksheet time: 3mins
Which of the following best describes weathering?
The process by which rocks are exposed to severe weather
The process by which rocks are formed by heat and pressure
The mechanical or chemical process by which rocks are broken down
The process by which rocks are chemically strengthened due to exposure to heat and pressure
What happens to pieces of rock as they are transported by a river?
they get smaller and rounder
smaller and more jagged
much larger and rounder
gets larger and more jagged
Which is an example of oxidation?
Rust decomposes rocks completely with the passage of time.
Some of the minerals get dissolved in water.
The joints enlarge in size and lime is removed in the solution.
Due to the absorption of water by rocks, its volume increases.
In which of the following climates will chemical weathering be most rapid?
hot and dry
cold and dry
hot and humid
cold and humid
Which of the following is an example of biological weathering?
Freeze-thaw
Wind blowing sand onto a rock
Abrasion due to the movement of glaciers
Plant that grows on the cracks of the rocks
Which is not included in the group?
abrasion
acidification
carbonation
hydration
Weak organic acids are produced by the action of the growing root of lichens. These acids react with some minerals in rocks resulting in the decomposition of rocks. How will you classify this process?
Physical weathering
Chemical weathering
Biological weathering through physical means
Biological weathering through chemical compounds
Which type of rocks tends to weather more rapidly through the hydrolysis process?
Rocks that contain iron.
Rocks that contain feldspar.
Rocks that contain quartz.
Rocks that are impermeable.
What are the two things that affect the rate of weathering?
rain and ice
type of rock and climate
time and date
size of rock and time of the year
Which of the following best describes chemical weathering?
The process by which rocks are broken down by physical forces
The process by which rocks are broken down by chemical means
The process by which rocks are broken down by anthropogenic activities
all of these
