A) a prediction B) a law C) a hypothesis D) an observation
A) variable B) law C) hypothesis D) theory
A) an old observation is well explained by the theory B) a new observation cannot be explained by the theory C) a new scientific instrument becomes widely used D) they observe patterns that fit the theory
A) provide a logical explanation of a problem B) do not build on previous knowledge 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) mode B) median C) mean D) outlier
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) observe tornado speeds remotely C) simulate tornado formation D) study tornadoes visually over several days
A) is a constraint that needs to be considered in the design process B) does not need to be considered if firefighters are very strong C) is less important than the total amount of water that it can carry D) is not a reason to reconsider the design if the hose works as planned
A) It should be inexpensive and wear out quickly to protect the environment. B) It should make the firefighters feel better about the work they are doing. C) It should make work so easy that the company needs fewer firefighters D) It should fit on the fire truck and attach quickly and easily to fire hydrants.
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) possible benefit B) natural inspiration C) possible risk D) natural constraint
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