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