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