A short animated movie for secondary colleges detailing tectonic plates, their motion and boundaries, and what What this means is for Earth. Organic Weathering − It is just a form of weathering that happens as a result of microorganisms. Lichen, the symbiosis of fungi and algae, make the rocks at https://www.generationgenius.com/videolessons/weathering-and-erosion-video-for-kids/