Will density increase or decrease with the crystallization of a magma?
A) Decrease
B) Increase
Answer: B
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What type of wave has a disturbing force of changes in atmospheric pressure?
a. tides b. capillary wave c. wind wave d. seiche wave e. tsunami
A scientist identifies a rock sample as basalt. Why did he do so?
A) He observed that the rock has a lot of silica, making it mafic. B) He observed that the rock has a lot of silica, making it ultra-mafic. C) He observed that the sample has little silica, making it felsic. D) He observed that the sample has little silica, making it mafic.
The maximum daily temperature usually occurs: a. a few hours after the time of maximum solar heating
b. at the time of maximum solar heating. c. a few hours before the time of maximum solar heating. d. when clouds begin to form.
Which of the following statements regarding the development of models by scientists is not true?
A) Adjusting the variables in a model simulates different conditions and allows predictions of possible system operations. B) A model is a simplication designed to help us understand complex processes. C) Most scientists believe that any system can eventually be modeled with 100 percent accuracy. Thus, models can be perfect representations of reality. D) A model is only as good as the assumptions and accuracy of information upon which it is based.