1. What term describes the process of breaking down or dissolving rocks and minerals on the Earth’s surface by various agents?

  • A) Erosion
  • B) Sedimentation
  • C) Weathering
  • D) Geological deposition
C) Weathering Explanation

2. Which of the following is NOT a product of weathering?

  • A) Soil
  • B) Sedimentary rock
  • C) Magma
  • D) Sand
C) Magma Explanation

3. What’s an example of physical weathering?

  • A) Dissolution of limestone by acidic rainwater
  • B) Oxidation of iron minerals in rocks.
  • C) Chemical reaction of water with feldspar minerals
  • D) Freezing and thawing of water in rock crevices.
D) Freezing and thawing of water in rock crevices. Explanation

4. Chemical weathering is caused by which agent?

  • A) Wind
  • B) Water
  • C) Gravity
  • D) Temperature
B) Water Explanation

5. Exfoliation due to pressure release is most likely to occur in which type of rock?

  • A) Sedimentary rock
  • B) Metamorphic rock
  • C) Igneous rock
  • D) Volcanic rock
C) Igneous rock Explanation

6. What geological feature is an example of the effects of weathering and erosion?

  • A) Mount Everest
  • B) Niagara Falls
  • C) Great Barrier Reef
  • D) Grand Canyon
D) Grand Canyon Explanation

7. Which rock is made from bits of other rocks and covers most of the land and ocean floor?

  • A) Igneous rock
  • B)  Metamorphic rock
  • C) Sedimentary rock
  • D) Volcanic rock
C) Sedimentary rock Explanation

8. The rusting of iron in rocks due to exposure to oxygen is an example of:

  • A) Oxidation
  • B) Carbonation
  • C) Hydrolysis
  • D) Abrasion
A) Oxidation Explanation

9. Which of the following rocks is most susceptible to chemical weathering by carbonation?

  • A) Granite
  • B) Limestone
  • C) Basalt
  • D) Slate
B) Limestone Explanation

10. Which of the following is a biological weathering agent?

  • A) Water
  • B) Wind
  • C) Lichens
  • D) Heat
C) Lichens Explanation