In this video, understand why some rocks are smooth and round using plastic jars, rocks, water and a sieve. Weathering Rocks is a hands-on science exploration for young children and their teachers, parents or caregivers.
Assign directly to your students using the code or link above, without having them log in. Simply tell your students to go to
www.pbsstudents.org and enter the Assignment Code, or click on the Assignment URL to share the assignment as a link.