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QuizMultiple Choice

Lab: Density of Solids

Question 1 • GA-GSE Physical Science A

Gerald is fishing. He uses a bobber that floats on the surface to show him if the line is being moved, and a lure that sits below the surface to attract fish.Which statement accurately describes the densities of these two items?

Answer
A
The bobber and lure are more dense than the water.
B
The bobber and lure are less dense than the water.
C
The bobber is more dense than the water, and the lure is less dense than the water.
D
The bobber is less dense than the water, and the lure is more dense than the water.

Explanation

An object that floats at the water’s surface has a lower density than water, so the bobber is less dense than water. The lure sits below the surface rather than floating, which means it is more dense than water. Therefore, the correct choice is D: the bobber is less dense than water, and the lure is more dense than water.

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