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