Exam 2: Science, Matter, and Energy

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When energy changes from one form to another, it always goes from a more useful to a less useful form.

(True/False)
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Describe three limitations of science in general (as well as environmental science).

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

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Which list of items contains only ions?

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When electrical energy lights an incandescent light bulb, 50 percent of the energy produces light.

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The atomic number is the number of

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Match the items below with the correct energy or matter quality below. -nuclear fission

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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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Match items with their appropriate chemical description. -Subatomic particle with a negative charge

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The law of conservation of matter states that

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Explain how the differences between humans and other living organisms, such as plants or animals, are controlled and encoded at the cellular level.

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All organic compounds are characterized by the presence of

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Genetic information is contained in coded units on chromosomes called

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___________________ ______________occurs when the nuclei of certain isotopes with large mass numbers are split apart into lighter nuclei when struck by a neutron.

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The scientists, with enough data,

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

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Match items with their appropriate chemical description. -A subatomic particle with no net electrical charge

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Match items with their appropriate chemical description. -The total number of protons and neutrons in an atom's nucleus

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Curiosity and skepticism are important features of the scientific process. Explain how these two attributes in a scientist come into play during a late phase of scientific investigation called accept or reject the hypothesis.

(Short Answer)
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Since scientific theories are tentative explanations, they should not be taken seriously.

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