Erosion and Weathering

Details about Weathering and Erosion

By Daniellejo White-Yelito

Multiple Choice

Over long periods of time, deposition may change the Earth’s surface by _____.

• forming new land features
• breaking down large rocks into smaller ones
• washing away beaches
• severely draining topsoil

Multiple Choice

Process that breaks down rocks and minerals into smaller pieces but doesn't change composition.

• Gully erosion
• Deposition
• Erosion
• Mechanical weathering

Multiple Choice

Water goes into cracks in rocks, freezes, expands, thaws and repeats the process over and over again? What is this called?

• Ice wedging
• acid rain

• animal action
• root wedging

Multiple Choice

Process that occurs when water repeatedly freezes and thaws. 

• Residual soil
• Frost wedging
• Erosion
• Oxidation

Multiple Choice

the weathering of rocks caused by growth of tree roots

• gravity

• frost wedging

• abrasion

• tree root wedging

Multiple Choice

What has an impact on the rate of weathering?

• The amount of dry weather and frost wedging.

• The type of rock and the climate.

• The age of the rock and the current weather.

Multiple Choice

What is the definition for Abrasion?

• repeated process that splits rock when water seeps into the cracks, then freezes and expands, causing pieces to break off

• scratching, scraping, or grinding of rock by other rock particles carried in water, ice, or wind

• the cracks widen as roots grow thicker

• rocks expand when heated and contract when cooled

Multiple Choice

Type of weathering pictured?

• exfoliation

• spheroidal

• oxidation

• frost wedging

Multiple Choice

Statue of Liberty has changed colors over time because oxygen has caused the surface of the copper it is made of to change into a new chemical (just like copper pennies turn green). What kind of weathering is this?

• chemical weathering

• physical weathering

Multiple Choice

a chemical reaction between water and another substance to form two or more new substances

• abrasion

• hydrolysis

• carbonation

• chemical weathering

Multiple Choice

Which is an example of oxidation?

• Rust decomposes rocks completely with the passage of time.

• Some of the minerals get dissolved in water.

• The joints enlarge in size and lime is removed in the solution.

• Due to the absorption of water by rocks, its volume increases.

Multiple Choice

Over millions of years, weak carbonic acid can dissolve limestone to form -

• Cracks in rocks

• Caves and caverns

• Mountains and cliffs

Multiple Choice

These gravestones have slowly broken down and turned a blackish color due to the action of:

• ice wedging
• abrasion
• acid rain
• mechanical weathering

Multiple Choice

Which type of climate will have faster chemical weathering?

• Hot and Wet
• Cold and Dry
• Hot and Cold
• Cold and Wet

Multiple Choice

What is the process of moving sediments from location to another?

• Deposition

• Erosion

• Weathering

• Compaction

Multiple Choice

Which of these is an example of erosion?

• Light shinning onto a mountain

• Rain breaking down rock

• Wind blowing away sediment

• All of the above

Multiple Choice

Rain washing away soil from a hillside

• Weathering

• Erosion

• Deposition

Multiple Choice

Process where outer rock layers are stripped away. 

• Soil horizon
• Deposition
• Exfoliation
• Rill erosion

Multiple Choice

What is the major cause of weathering and erosion?

• wind
• ice
• glaciers
• moving water