Weathering, Erosion and Deposition

Front

The breakdown of rock is called __________.

Back

weathering

Front

Why is frost action an effective form of weathering?

Back

Water expands when it freezes.

Front

Chemical weathering occurs most rapidly when conditions are __________.

Back

warm and wet

Front

The reaction between limestone and acid rain is an example of __________.

Back

chemical weathering

Front

What most likely transported unsorted, angular, rough-surfaced cobbles and boulders found at the base of a cliff?

Back

gravity

Front

Which agent of erosion produces V-shaped valleys?

Back

running water

Front

Which agent of erosion produces U-shaped valleys?

Back

glaciers

Front

Which agent of erosion causes rocks to have surface pits and a frosted appearance?

Back

wind

Front

Where is the greatest velocity of a stream moving along a curve?

Back

B

Front

What is the minimum stream velocity needed to transport a pebble that is 1 cm in diameter? Options: 23 cm/s, 50 cm/s, 75 cm/s, 100 cm/s

Back

50 cm/s