Results:
You should have produced a beautifully layered rainbow in a jar with distinct lines that separate each layer of liquid without them mixing.
Why?
So what keeps all these layers all separated from each other? It’s how dense, or heavy, each liquid is. The corn syrup is heaviest, and sits nicely on the bottom. The dishwashing soap is not quite as heavy as the corn syrup, but it’s heavier than the olive oil, and so on.
Layering them from heaviest to lightest from the bottom up ensures that the rainbow maintains its distinct lines.
What if you had added the layers in the reverse order? Would you still see a rainbow? Try it. What if you changed the colors around but added each liquid in the original order? Go for it. What happens if you mix your rainbow with a spoon? No matter which new experiments you attempt, be sure to record your results to learn even more about density.
Results:You should have produced a beautifully layered rainbow in a jar with distinct lines that separate each layer of liquid without them mixing.Why?So what keeps all these layers all separated from each other? It’s how dense, or heavy, each liquid is. The corn syrup is heaviest, and sits nicely on the bottom. The dishwashing soap is not quite as heavy as the corn syrup, but it’s heavier than the olive oil, and so on.Layering them from heaviest to lightest from the bottom up ensures that the rainbow maintains its distinct lines.What if you had added the layers in the reverse order? Would you still see a rainbow? Try it. What if you changed the colors around but added each liquid in the original order? Go for it. What happens if you mix your rainbow with a spoon? No matter which new experiments you attempt, be sure to record your results to learn even more about density.
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