Physics, 10.10.2019 14:50 dianaherrera041
Jack tries to place magnets on the door of his refrigerator. he observes that the magnets don’t stick. he guesses that the door of the refrigerator is made of a nonmagnetic substance. what stage of scientific investigation does his guess represent?
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construct a hypothesis
explain the results
make observations
Answers: 3
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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
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Jack tries to place magnets on the door of his refrigerator. he observes that the magnets don’t stic...
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