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In this demonstration, students learn about the physical process of liquification and how it causes the ground to become unstable during an earthquake. Required materials include a plastic tub, sand, water, a brick and a rubber mallet. The resource is part of the teacher's guide accompanying the video, NASA SCI Files: The Case of the Shaky Quake. Lesson objectives supported by the video, additional resources, teaching tips and an answer sheet are included in the teacher's guide.
This resource is located on page 46 of the PDF document.