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Stage 1
Answer 4 questions correctly in a row.

The passage below describes an experiment.

a new steel nail on a pile of rusty nails

Jackson put a two-inch steel nail into each of six test tubes. He added water to three of the test tubes and vinegar to the other three. He completely covered the nail with the same volume of liquid in all the tubes. Jackson checked the nails for rust at the same time every day. He recorded how many days it took for each nail to become completely covered in rust. Then he compared the number of days it took nails to rust in water to the number of days it took nails to rust in vinegar.

Identify the question that the experiment can best answer.

Do steel nails take fewer days to rust in water than in vinegar?

Do steel nails break more easily after being submerged in water or in vinegar?