Procedure

http://www.ehow.com/how_6386266_extract-oil-water-science-project.html Day 1: 1. How much water does one (1) human being need per day to survive on this tropical island? How much water do those remaining on the island have? How many days supply is that? 2. What will be the best way to purify the water? 3. Will you use trial and error to find a suitable means? Is there another way?
 * 8 cups a day
 * 32 bottles
 * 11 days
 * using the supplies from the island (ex. sand, charcoal, etc.)
 * trial and error, use logic and any information obtained in class