Create an account
Mechanical weathering - plants
plant roots can grow into small cracks and expand the gaps in the rock, breaking the rock apart.
Mechanical weathering - animals
animals such as earthworms, groundhogs and moles can move soil around changing the surface of rocks that is exposed.
the grinding and wearing away of rock surfaces through the mechanical action of other rocks or sand particles - SCRAPING
Chemical weathering - oxidation
a chemical reaction in which elements like iron or copper combines with oxygen resulting in rust, etc.
the process by which softer, less weather resistant rocks wear away and leave harder, more weather resistant rocks behind
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together