Freshwater Resources

The natural chemical or physical processes that breaks down rock on Earth's surface.

• weathering
• erosion
• deposition
• jackhammering

The process by which water, ice, wind or gravity moves weathered rock and soil from one place to another.

• weathering
• erosion
• deposition
• dumptruck

This type of weathering occurs when rock is physically broken down into smaller pieces of rock.

• mechanical weathering
• chemical weathering
• erosion weathering
• deposition

This type of weathering occurs when rocks weaken then break down due to chemical changes in the composition of the rock.

• mechanical weathering
• chemical weathering
• erosion weathering
• deposition

How might a weathered mountain appear different than an unweathered mountain?

• Weathered mountain would be taller.
• Weathered mountain would be rounder and less jagged.
• Weathered mountain would be more jagged and less rounded.
• Weathered mountain would have no trees.

What climate makes chemical weathering go faster?

• warm,humid
• cold,dry
• warm,dry
• cold,humid

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides

What is the force behind mass movements?

• the sun's energy
• flowing water
• gravity
• moving ice

Big chunks of land falling down a curved slope all at once would be an example of

• Slump
• Creep
• Rockfall
• Lahar

Which of the following best describes how erosion by groundwater might create a subterranean land-form?

• Acidic water dissolves rock to form a cave
• Stream slowly wears away rock and soil
• Waves crashing against a shoreline
• Sediment building up to form a delta