Questions for CH 27.1 Flashcards
What are the two types of weathering?
Chemical and Mechanical
What type of changes dose mechanical weathering cause?
Physical changes
What type of changes dose chemical weathering cause?
Changes composition
What are specific examples of chemical weathering?
Oxygen and water
What are specific examples of mechanical weathering?
Plants and animals
What is frost wedging?
Stress caused by freezing of water into ice
What is collision?
An object hits another object
What is biological activity?
Animals
What is the process called where oxygen causes the chemical change?
Oxidation
What is the process called where water causes the chemical change?
Hydrolysis
True or false, Do rocks weather a different rate?
True
Where dose soil originate from?
Parent material
How many soil horizons are there?
6
What are the names of the horizons?
O, A. E, B, C, R
Which horizons are referred to as topsoil?
O and A
