Mechanical and Chemical Weathering

Front

What type of weathering is it when acid rain breaks down and changes the rock?

Back

chemical weathering

Front

Large amounts of soil have eroded from steep hill. What is most likely to happen? Options: an avalanche, sinkhole, landslide, earthquake

Back

landslide

Front

Picture A is a mountain in the Sierra Nevada. Picture B shows only the west ridge of the mountain range. What is the most likely reason for the shape of picture B?

Back

mechanical weathering

Front

What is sediment?

Back

tiny pieces of weathered rock carried by wind or water

Front

What will cause a stream or river to carry the most sediment? Options: the slope of the stream, the temperature of the water, minerals in the water

Back

the slope of the stream

Front

What sequence of events will cause a large boulder to move down stream? Options: weathering-erosion-deposition, erosion-deposition-weathering, weathering-deposition-erosion

Back

weathering-erosion-deposition

Front

Acid rain is most likely to cause...

Back

chemical weathering

Front

Ice wedging will: wear down rocks as they bounce together, break up rocks when the water in cracks freezes and thaws, peel away loosened material from the surface of rocks.

Back

break up rocks when the water in cracks freezes and thaws

Front

How do plants weather rocks? Options: during photosynthesis, when roots grow into cracks of rocks and expand the rock, when the plant moves water from the roots to the leaves

Back

when roots grow into cracks of rocks and expand the rock

Front

A group of geologist studied rocks and soil near a riverbank. What will they most likely find?

Back

rocks being made smaller