Weathering The Earth's Materials Quiz

What is the term for the general process by which rocks are broken down at the Earth's surface?

• deposition

• weathering

• erosion

• solidification

What is the term geologists use for the layer of loose, heterogeneous weathered material lying on top of the bedrock?

• exfoliation

• regolith

• soil

• laterite

Water and carbon dioxide react to form

What type of weathering process we can see in this picture?

• Physical weathering

• Chemical weathering

• Biological weathering as a physical process

• Biological weathering as a chemical process

1. How does freezing water cause the weathering of rocks? The freezing water—

• keeps the rocks in place

• makes the rocks last longer

• expands cracks and breaks rocks

• causes rocks to fall in landslides

Rust that forms on rocks or metal because of extended exposure to oxygen is what example of chemical weathering?

• living organisms

• carbonic acid

• acid rain

• oxygen

If the following reaction goes from left to right, then what weathering process is occurring?

CO₂ + H₂O ---> H₂CO₃ (carbonic acid)

• oxidation

• hydrolysis

• carbonation

• hydration

A metal statue slowly turning green after years of being outside is an example of

• physical weathering

• chemical weathering

• biological weathering

• None of the above

What are 3 important agents of erosion?

• rocks, dirt, and plants

• water, wind, and waves

• sand, pebbles, and waves

• none of the above

Which one is not an example of mechanical weathering

• 
• 
• 
•