Grade 9 Term 3 Geography Weathering 002

Choose the correct answer

The breakdown of rocks

• Erosion

• Weathering

• Melting

• Magma

Choose the correct answer:

Type of weathering that entails breaking huge rocks into tiny pieces.

• Mechanical weather

• Physical weathering

• Both

Choose the correct answer:

______weathering is the process of breaking down rocks through chemical reactions.

• Chemical

• Mechanical

• Biological

• Physical

Choose the correct answer:

Weathering caused by the acts of living organisms is known as_______weathering

• Biological

• Chemical

• Physical

• Freeze thaw

Choose the correct answer:

the existence of a substance with dangerous or poisonous effects in the environment.

• Exfoliation

• Pollution

• Hydrolysis

• Oxidation

Choose the correct answer:

Pollutants released into the air are harmful to the environment and living organisms.

• Land pollution

• Air pollution

• Water pollution

What is biological weathering?

• Really good weather
• Biologically made weather
• It is the subsequent disintegration of rock by plants

Name 3 ways in which rocks can be weathered.

Look at the picture.

Identify the type of weathering.

• Physical weathering

• Chemical weathering

• Biological weathering

Name one type of chemical weathering.