Weathering & Erosion and the Grand Canyon

What are the two types of weathering?

• Intrusive & Extrusive
• Chemical & Mechanical
• Fast & Slow
• Erosion & Deposition

Which force is most responsible for mass movements?

• Wind
• Tides
• Earth's rotation
• Gravity

What is the slowest type of mass movement?

• Creep
• Rockfall
• Landslide
• Slump

What type of mechanical weathering is depicted in this picture?

• Exfoliation
• Organic
• Ice Wedging
• Abrasion

Which is NOT associated with mechanical weathering?

• Ice Wedging
• Organic Activity
• Reactions with Oxygen
• Unloading

Which is NOT a soil texture grain size?

• topsoil
• sand
• silt
• clay

In which environment would chemical weathering occur the fastest?

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

What are layers of soil called?

• Layers
• Horizons
• Planes
• Strata

Which is a type of chemical weathering?

• Abrasion
• Ice Wedging
• Acid Rain 
• Organic Activity

What horizon is also known as topsoil?

• O Horizon
• A Horizon
• B Horizon
• C Horizon