Weathering/Erosion

Front

What was the primary force that caused this landslide?

Back

Gravity

Front

Which change is most likely to occur in a landscape if its climate changes from humid to arid?

Back

Wind will become a more important agent of erosion

Front

The picture shows a sandstone butte in an arid region. Which agents of erosion are currently changing the appearance of this butte?

Back

Wind and mass movement

Front

Photographs A and B show two different valleys. Which list best identifies the agent of erosion that primarily determined the shape of each valley? photograph A - glacier; photograph B - river

Back

photograph A - glacier; photograph B - river

Front

What is the minimum rate of flow at which a stream can carry pebbles of 1.0 cm in diameter?

Back

50 cm/sec

Front

What are the largest particles that a stream can transport when its velocity is 200 cm/sec?

Back

cobbles

Front

Which particle of quartz shows evidence of being transported the farthest distance by a stream?

Back

Front

The greatest stream velocities are found closest to points: A and B, B and C, C and D, D and A

Back

B and C

Front

Which graph best represents the correct relationship between the discharge of a river and the particle size that can be transported by that river?

Back

Front

If the greatest velocity of a river on a given day was 10 cm/sec, what was the approximate diameter of the largest particles that the river could have carried?

Back

0.2 cm