Summarize in your own words, the three "hallmarks" of science?
What will be an ideal response?
See Figure 3.24 in the textbook. As an example:
1. The quest to explain an observation by building on our knowledge of other aspects of nature
2. The creation and testing of models that explain observations as simply as possible
3. Models make testable predictions and are modified or abandoned if the predictions do not agree with observations
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How many helium nuclei fuse to make one carbon nucleus in the overall helium fusion reaction?
A) 2 B) 3 C) 4 D) varies depending on the type of carbon being made
Which of the following is not an appropriate unit for measuring acceleration?
A. m/min2 B. miles/hr/s C. km/min/s D. m/s E. ft/s2
The first experiment, which systematically demonstrated the equivalence of mechanical energy and heat, was performed by
a. Joule. b. Boltzmann. c. Thompson, Count Rumford. d. Kelvin.
The warmth you feel from the sun at the beach is an example of
a. heat conduction b. heat convection c. heat radiation d. thermal expansion e. none of the above