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