A) a prediction B) a law C) an observation D) a hypothesis
A) theory B) hypothesis C) law D) variable
A) a new observation cannot be explained by the theory B) they observe patterns that fit the theory C) a new scientific instrument becomes widely used 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) increase his chances of obtaining outliers that he could discard B) minimize the effects of any random factors on his measurements C) better understand such large amounts of data by finding an average D) use technology to analyze his data
A) mean B) median C) mode D) outlier
A) must always be included in your calculations B) sometimes can be disregarded but should be reported C) should never be included in your calculations D) sometimes can be disregarded and left out of the repot
A) observe tornado speeds remotely B) study tornadoes visually over several days 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 less important than the total amount of water that it can carry C) is not a reason to reconsider the design if the hose works as planned D) is a constraint that needs to be considered in the design process
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) balancing technological risks and benefits C) minimizing risks to develop technology D) using science to develop technologies
A) natural constraint B) possible benefit C) natural inspiration D) possible risk
|