P1C 10 Weathering in Hot Arid Environments

What is the process of breaking down rocks called?

• Weathering

• Erosion

• Exfoliation

• Crystallization

What is the removal of weathered material by water and wind called?

• Weathering

• Erosion

• Exfoliation

• Crystallization

Which type of weathering occurs when the outer layers of rock heat up faster and expand more than the inner layers?

• Exfoliation

• Salt Crystallization

• Erosion

• Granular Disintegration

What causes the outer layers of rock to peel off like the layers of an onion?

• Expansion and contraction

• Salt crystallization

• Erosion by wind

• Granular disintegration

What type of weathering occurs when saline groundwater evaporates and leaves salt particles in cracks and pores?

• Exfoliation

• Salt Crystallization

• Erosion

• Granular Disintegration

Which force can cause erosion in arid regions?

• Wind

• Water

• Gravity

• All of the above

What are dry river valleys created by infrequent flash floods called?

• Canyons

• Wadis

• Plateaus

• Mesas

What type of landscape is formed when a high lying desert plateau is eroded by rivers?

• Canyons

• Wadis

• Plateaus

• Mesas

What are isolated flat-topped mesas that look like table-like mountains called?

• Canyons

• Wadis

• Plateaus

• Mesas

What are dried-up lake beds in deserts called?

• Alluvial fans

• Playas

• Buttes

• Plateaus