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