Weathering and Erosion

Front

Which of the following is NOT a type of chemical weathering? Options: water, carbon dioxide, ice wedging, living organisms secreting acid to break down rocks

Back

ice wedging

Front

What is weathering?

Back

The breaking down of
Earth’s crust into smaller
and smaller pieces.

Front

What is erosion?

Back

The process by which water, ice, wind or gravity moves fragments of rock and soil.

Front

What is deposition?

Back

The process by which water, ice, wind or gravity deposit rock sediments and soil in a new place.

Front

Which of the following is NOT a type of physical weathering? burrowing plants, ice wedging, plant roots, acid rain

Back

acid rain

Front

What are the two factors that affect the rate at which weathering occurs? (Options: climate and mass of rock, climate and size of rock, type of rock and size of rock, type of rock and climate)

Back

type of rock and climate

Front

A marble statue is left exposed to the weather.  Within a few years, the details on the statue have begun to weather away.  This weathering probably is caused by...

Back

carbonic acid in rainwater

Front

Which of the following is an example of mechanical weathering? Acidic groundwater dissolving limestone, frost wedging, Paper being burned

Back

frost wedging

Front

The diagrams shows a natural process that weathers rock. Which statement best explains why this process results in weathering?

Back

water expands when it freezes

Front

What is mechanical weathering?

Back

Process through which rocks are physically broken into smaller pieces.