Mechanical/Chemical WeatheringVersión en línea Match por Bethaney Barber 1 Mechanical Weathering 2 Chemical Weathering A plant growing into a rock and breaking it Ice Wedging A Dog digging a hole Abrasion by wind Abrasion by Water A rock falls and causes other rocks to break Acid Rain breaking down old grave stones Cave formation rock is being weathered by still water that has been soaking for a long time. Because the rock has been soaking for so long, it has soft spots that have caused it to break into small pieces. A rock composed of metallic minerals begins to rust, like a nail A lichen attached to a rock and releases acid through its roots. The acid breaks down the rock