Clean your plate and create a \"wet sand beach\" with some open water. Pour some

Question

Clean your plate and create a "wet sand beach" with some open water. Pour some of your simulated "crude oil" onto the surface of the beach. What happens to the oil? Using fingers or tweezers, dip a sorbent pad in each of the following, and attempt to clean oil off the beach. For each substance, record your relative success in cleaning the oil off the sand Cold Water Hot Water Rubbing Alcohol Dishwashing Liquid what substance would help clean oil off of a beach and what success would you have with each?

Explanation / Answer

7. ANS: The oil can be soaking up by sand and later it gradually leaked out into the water. According to the given situation most of the oil was stuck in between the different divets in the sand.

8. ANS:

A. Cold Water: The cold water can capable to pick up a little bit of oil, but still a lot of left on the sand.

B. Hot Water: The hot water can less capable to pick up the oil than cold water, but still picked up a tiny bit of oil from the sand.

C. Rubbing Alcohol: It can pick up oil more than cold and hot water combined, but it is also picked up a bit of sand.

D. Dishwashing Liquid: The dishwashing liquid picked up the most oil out of all of these options, but it is also picked up a lot of sand.

9. ANS: Dispersants substance can help to clean oil off in the beach. It breaks up the oil and speed its natural biodegradation. Dispersants act by reducing the surface tension that stops oil and water from mixing. Small droplets of oil are then formed, which helps promote rapid dilution of the oil by water movements.

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