Biology, 03.12.2019 13:31 maystrenko53
Ireally need i just have to do two more stuff to finish science but i still need to algebra i have until friday to finish science and algebra if i dont finih algebra and science i will need to pay 100 in toltal but i finish science today just 50 i beg you.
materials needed:
large glass measuring cup (2 cups or bigger)
blue food coloring
vegetable oil (any type of cooking oil)
liquid dish detergent
procedure:
(4 points for each question)
fill the cup two-thirds of the way with water. add a few drops of blue food coloring to make your “ocean.”
pour 1/3 cup of oil into the ocean.
answer the following questions:
what happens to the oil when you first pour it in?
why does this happen?
what kinds of animals would be most affected by an oil spill at the beginning? why?
use a spoon to stir the oil for 30 seconds.
answer the following questions:
what natural action stirs the real ocean?
what happened to the oil?
even if you can’t see it, is all the oil still in your ocean?
which animals in the ocean become affected after wave and current action causes some of the oil to settle to the bottom, or be absorbed into the water?
add a splash of dish detergent to the mixture and stir.
answer the following questions:
what happened to the oil? is it all still in the ocean?
sometimes cleanup efforts involve dumping a soap mixture over a spill area. why is this done?
what might be a negative effect of dumping the soap?
submit this assignment to your teacher when you are finished.
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