Weathering

Q. What are the factors that affect weathering of rocks?

1. Physical forces
2. Chemical forces
3. Biological forces
4. Endogenic forces

Q. Physical weathering of rocks is caused by which one of these factors?

1. Change in temperature.
2. Burrowing by animals and insects.
3. Chemical reactions within the rocks.
4. Plant rooting within rocks.

Q.

Write the difference between exfoliation domes and exfoliated tors.

Q. Weathering that occurs due to change in temperature, humidity, or the slope of land is known as weathering.

1. physical
2. chemical
3. biological

Q.

Compounds that are formed by the chemical combination of a substance with Oxygen _____________________

Q.

Mechanical weathering is also known as

1. Chemical weathering

2. Physical weathering

3. None of these

4. Biological weathering

Q.

Describe physical weathering and the role of Sun in their process.

Q.

Which of the following facts is incorrect about weathering?

1. It involves the decay of solid rocks.

2. It affects the surface of the Earth.

3. It does not result in soil formation.

4. It is a static process.

Q. Your friend Priya has a rock that she took from a beach in the Mediterranean Sea. She keeps the rock in her garden. A few weeks later, she tells you that the rock has started to crack and lose its colour. She doesn't know why this has happened. How would you explain the process of weathering of rocks to your friend?

1. Weathering is a process of breaking down of rocks and minerals on the Earth's surface.
2. The rocks cracked due to the change in weather. It would not have cracked if it was left in the Mediterranean beach.
3. The damage to the rock can be reversed.
4. Weathering can occur due to physical, chemical or biological factors.

Q. What is weathering?

1. The change in seasons.
2. The breaking down of rocks.
3. The changes in the weather of a place.
4. The process of trees shedding leaves.

Q. What is weathering?

1. The changes in the weather of a place.
2. The process of trees shedding leaves.
3. The change in seasons.
4. The breaking down of rocks.

Q. As a burrowing animal, what type of weathering is caused by a mole or a groundhog?

1. Biological weathering
2. Natural weathering
3. Chemical weathering
4. Physical weathering

Q. What is weathering?

1. The process of trees shedding leaves.
2. The changes in the weather of a place.
3. The breaking down of rocks.
4. The change in seasons.

Q. In which portion of a rock does repeated expansion and contraction develop resulting in block disintegration?

1. Joints of rocks
2. Core of rocks
3. Surface of rocks
4. Tip of rocks

Q. While walking on the desert, you found outer layers of a rock peeled away like an onion. Which of the following factor is responsible for this phenomenon?

1. Gravity
2. Moisture
3. Pressure
4. Temperature

Q. Weathering that occurs due to change in temperature, humidity, or the slope of land is known as weathering.

1. physical
2. chemical
3. biological