Exam 2: Science, Matter, and Energy

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Which of the following is the best short summary of the law of conservation of matter?

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When energy changes from one form to another

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Just prior to the year when the striped bass population reached 100 percent of the established goal, what was occurring in the blue crab population? What was the implication for the striped bass population?

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Match items with their appropriate chemical description. -The chemical symbol for sulfur

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What percentage of useful energy in the United States is unnecessarily wasted?

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Carbon-12, carbon-13, and carbon-14 all have different numbers of protons. a.Thus, they can be described as isotopes.

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Atoms as a whole have no net electrical charge.

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Match items with their appropriate chemical description. -Chemical symbol for the hydrogen ion

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The atomic number is the number of

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The law of conservation of matter states that

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Match the items below with the correct energy or matter quality below. -automobile emissions

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Genes are segments of ____________________.

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The amount of useful work accomplished by a particular input of energy into a system is

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Scientists analyze data before they take any other steps to investigate natural processes, since that is the only logical place to start.

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What are some of the ways scientists examine scientific inquiries and studies to determine if the work is reliable or unreliable?

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Frontier science always ends up being unreliable science.

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When matter undergoes a physical change

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Employing the concepts of high-quality matter and low-quality matter, explain to a friend why recycling aluminum drink containers is a good idea.

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A form of kinetic energy that travels in the form of waves as a result of changes in electrical and magnetic fields is

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Energy can be formally defined as

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