Weathering

Question 1

What is freeze thaw action?

Answer 1

The process where water enters cracks in rocks, freezes, expands, and causes the rock to break apart

This process is significant in the mechanical weathering of rocks.

Question 2

What is carbonation?

Answer 2

A chemical weathering process where carbon dioxide dissolves in water, forming carbonic acid that reacts with minerals

This process is especially effective in limestone.

Question 3

What are caves?

Answer 3

Natural underground spaces formed by the dissolution of rock, often limestone, through water action

Caves can develop complex systems of passages and chambers.

Question 4

What are stalactites?

Answer 4

Icicle-shaped mineral formations that hang from the ceilings of caves

They form from the deposition of minerals from dripping water.

Question 5

What are stalagmites?

Answer 5

Mineral formations that rise from the floor of caves

They are formed by the accumulation of minerals from dripping water, similar to stalactites.

Question 6

What is limestone pavement?

Answer 6

A flat, exposed surface of limestone featuring fissures and grikes, shaped by chemical weathering

Limestone pavements are often found in karst landscapes.

Question 7

Fill in the blank: The process of water entering cracks in rocks, freezing, and expanding is known as _______.

Answer 7

freeze thaw action

Question 8

True or False: Stalagmites form from the ceiling of caves.

Answer 8

False

Stalagmites rise from the floor of caves, while stalactites hang from the ceiling.