As part of a weather unit, Ms. Coggin’s second graders are learning about extreme weather such as hurricanes and tornadoes, weathering, and erosion. Students had fun participating and making observations during an experiment on erosion. Students were asked to consider what they can do “in real life” to prevent erosion after seeing the effects of precipitation on unprotected soil. Some thought planting plants would help and explained why (the root system helps to retain the soil or sand). We tested their idea by placing a paper towel over the the second pile of soil. When it rained and stormed upon the soil, it did not erode like the unprotected soil did.
https://wjccschools.org/nes/wp-content/uploads/sites/16/2019/01/picture-1.jpg 375 281 Cynthia Cattell https://wjccschools.org/nes/wp-content/uploads/sites/16/2014/05/logo.png Cynthia Cattell2019-01-17 14:32:202019-02-06 19:14:10Ms. Coggin's Class Experiments with Erosion Prevention