Q: What can be used to mechanically separate the two elements by attracting the iron filings out of the mixture and leaving the sulfur behind? Choices: - centrifuge - laser - graduated cylinder - magnet A:
magnet
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Q: The iconic gray mantle of the human brain, which appears to make up most of the mass of the brain, is called? Choices: - brain stem - lobes - thrombus - cerebrum A:
cerebrum
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Q: Generators convert mechanical energy to which kind? Choices: - kinetic - radiation - static - electrical A:
electrical
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Q: What do you call a mixture of two or more substances in which dissolved particles are distributed evenly throughout? Choices: - concentrate - liquid - water - solution A:
solution
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