Alternate Ideas

Clay Caves -- demonstrate how caves form. Note that instead of making the rolled cave as written, students could stack sugar cubes in clear plastic tray and put clay over the top. They would need to poke large holes with a toothpick to allow water to seep in.

Beach Erosion with Water -- could get messy!!

Basic procedure
Key Knowledge
Science Background
Script Idea
Barrier Islands
Alternate Ideas
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