Share Weathering and Soil
Save to Folder
Rocks breaking down into smaller fragments is caused by...
Mechanical weathering
In mechanical weathering, the total surface area of the rock...
Increases
Rocks rubbing against each other grinding away by friction/impact is called...
Abrasion
What type of soil holds more water and nutrients?
Clay soil
Name one type of chemical weathering.
Reaction with water, oxygen, acid, or organisms
Why can rain break down rocks?
Rain is acidic
Acid has a pH less than...
7
In chemical weathering, what does oxides form?
Ores
What does mechanical and chemical weathering depend on?
Water and temperature
Where does weathering occur fastest?
areas near the equator
What part of a rock oxides the most?
The outer part
Oxygen used in oxidation comes from...
air
What is a more powerful weathering agent than water?
acid
Materials that make up rocks and change into new materials is called...
chemical weathering
A rock that contains metal (like gold, iron, or copper) is called a...
Ore
