A) a prediction B) a law C) a hypothesis D) an observation
A) hypothesis B) theory C) variable D) law
A) a new observation cannot be explained by the theory B) an old observation is well explained by the theory C) a new scientific instrument becomes widely used D) they observe patterns that fit the theory
A) do not build on previous knowledge B) provide a logical explanation of a problem C) provide only one explanation of a problem D) do not rely on other scientific experiments
A) use technology to analyze his data B) better understand such large amounts of data by finding an average C) increase his chances of obtaining outliers that he could discard D) minimize the effects of any random factors on his measurements
A) median B) mode C) outlier D) mean
A) should never be included in your calculations B) sometimes can be disregarded but should be reported C) sometimes can be disregarded and left out of the repot D) must always be included in your calculations
A) simulate tornado formation B) observe tornado speeds remotely C) observe the formation of dangerous tornadoes D) study tornadoes visually over several days
A) is not a reason to reconsider the design if the hose works as planned B) is a constraint that needs to be considered in the design process C) is less important than the total amount of water that it can carry D) does not need to be considered if firefighters are very strong
A) It should make work so easy that the company needs fewer firefighters B) It should make the firefighters feel better about the work they are doing. C) It should fit on the fire truck and attach quickly and easily to fire hydrants. D) It should be inexpensive and wear out quickly to protect the environment.
A) minimizing risks to develop technology B) balancing technological risks and benefits C) using nature to inspire technology D) using science to develop technologies
A) possible benefit B) natural constraint C) natural inspiration D) possible risk
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