General Chemistry I Test Bank With A Lot Of Questions Answered Correctly |Graded A+|

A scientific hypothesis is (select one) a) a tentative explanation for a set of observations that can be tested by further experimentation. b) a statement describing a relationship between phenomena that is always the same under the same conditions. c) a unifying principle that explains a body of facts and relations. d) a model used to visualize the invisible. e) all of the above. 3 (2 pts) Complete the following sentence. A scientific law is (select one) a. a tentative explanation for a set of observations that can be tested by further experimentation. b. a statement describing a relationship between phenomena that is always the same under the same conditions. c. a unifying principle that explains a body of facts and relations. d. a model used to visualize the invisible. 4 (3 pts) Which one of the following is not a characteristic of science? a) Reproducible b) Testable c) Can be challenged d) Disagreements are settled by a recognized authority. 5 (5 pts) Give an example of a “pseudoscience”: __________________________ Give one way in which your example does not qualify as “science”. Something like astrology (not astronomy) or mind reading would be an example. These don’t follow the scientific method, so any aspect of the scientific method could be given as an example of how they don’t qualify as science. States of Matter 6 (3 pts) The molecules in a solid are a) attracted to each other so strongly that the molecules can’t slide past each other.