Weathering Quiz Review

Match it! Select the correct answer from the pull down...Good luck!

What is the breakdown of rock into smaller pieces by physical means?

What is the process by which rocks break down into smaller rocks as a result of a chemical reaction?

What is the chemical reaction in which iron combines with oxygen to form rust?

How do lichens slowly break down rock?

What is the grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles?

Which of the following causes a karst landscape to form?

What is occurring when water seeps into cracks in rocks, freezes and expands?

Which will not cause the cracks in your sidewalks?