Thermal Expansion
Channel: AusEarthEd
Date: 2020-04-19

Have you ever taken a walk into the local hills and wondered why the large rocks are rounded? What is onion skin weathering? These questions and more are answered in this video - with a great activity for you to try at home.
More information can be found here - https://ausearthed.blogspot.com/2020/04/how-are-you-weathering.html