Try putting 'soil formation' into Google--you will get plenty of results linking you to information about how soil is formed. 'Physical weathering of rock', 'biological weathering of rock', etc. will also net you information about the processes you are interested in.
Just like Melissa said, this information can be easily obtained by typing in key words into a search engine. Remember that we are here to help you with your project, not to provide information like a computer; in other words, we provide you with help you may not be able to find.