• 1. Which of the following is NOT a goal of science? • a. to investigate and understand the natural world • b. to explain events in the natural world • c. to use data to support a particular point of view • d. to use derived explanations to make useful predictions • c. to use data to support a particular point of view
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1.Which of the following is NOT a goal of science? a.to investigate and understand the natural world b.to explain events in the natural world c.to use.
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• 1. Which of the following is NOT a goal of science?
• a. to investigate and understand the natural world
• b. to explain events in the natural world
• c. to use data to support a particular point of view
• d. to use derived explanations to make useful predictions
• c. to use data to support a particular point of view
• 2. Information gathered from observing a plant that grows 3 cm over a two-week period results in
• a. inferences.
• b. variables.• c. hypotheses• d. data.
• d. data.
• 3. Which of the following is NOT a way that scientists generate hypotheses?
• a. using informed, creative imagination
• b. using logical inference
• c. using prior knowledge
• d. using a feeling about what should occur
• d. using a feeling about what should occur
• 4. Scientific hypotheses must be proposed in a way that
• a. ensures that an experiment will be valid.
• b. enables them to be proved valid.
• c. enables them to be tested.
• d. doesn’t contradict previous hypotheses.
• c. enables them to be tested.
• 5. A controlled experiment allows the scientist to isolate and test
• a. a conclusion. • b. a mass of
information• c. several variables.• d. a single variable.
• d. a single variable.
• 6. The ability to reproduce results is an important part of any
• a. hypothesis.• c. law.• b. theory.• d. experiment.
• d. experiment
• 7. A theory• a. is always true.• b. is the opening
statement of an experiment.
• c. may be revised or replaced.
• d. is a problem to be solved.
• c. may be revised or replaced.
• 9. The amount of light and temperature are examples of
• a. factors necessary for life.
• b. methods of energy production.
• c. factors to which living things respond.
• d. factors that affect reproduction.
• c. factors to which living things respond.
10.The basic unit of mass in the International System of Units, or SI, is the
• a.meter. c.liter.• b.ounce. d.gram
• d.gram
• 11. The space surrounding the nucleus of an atom contains
• a.protons. c.neutrons.• b.electrons. d.ions.
• b.electrons.
• What type of electron is available to form bonds?
• a.valence c.ionic• b.nucleus d.covalent
• a.valence
• 13. What type of ion forms when an atom loses electrons?
• a.neutral c.negative b.positive d.possibly positive or negative
• b.positive
• 14. The most abundant compound in most living things is