Question

Example of science investegatory project

Answer 1

Making Soap Out of Guava
Basic hygiene should be available to everyone, but what about people who live in areas without easy access to grocery stores or pharmacies? This is a great question that makes you think about scientific alternatives to store-bought soap.

Answer 2

This is an investigatory project example that is fun and safe; it demonstrates the capillary effect, also known as capillary action. Lower a rolled-up paper towel into a glass full of water until about two centimeters of the paper towel are in the water. Observe how the water seems to flow up the paper towel, contrary to what one would expect. Eventually, the paper towel will become fully wet. This demonstrates capillary action, because the water has less of a cohesive force than that of the adhesive force between the towel and the water. Hence, the towel pulls water up, against gravity. This also works with a very narrow tube in place of a paper towel.

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