Asked by Alexis
Can you check my answer below, please?
Elizabeth did an experiment to test the effect of salt water on rusting rate of a nail. She put 3 nails in the same bowl of salt for one week. How could she improve her experiment?
Ans: 1) place each nail in a separate bowl with different amounts of water and salt
2) same as above but use different liquids, maybe?
Elizabeth did an experiment to test the effect of salt water on rusting rate of a nail. She put 3 nails in the same bowl of salt for one week. How could she improve her experiment?
Ans: 1) place each nail in a separate bowl with different amounts of water and salt
2) same as above but use different liquids, maybe?
Answers
Answered by
Ms. Sue
Yes. I'd put 3 nails into plain water. Using other amounts of salt and other liquids would also improve the experiment.
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