A) a prediction
B) an observation
C) a hypothesis
D) a law

A) hypothesis
B) variable
C) theory
D) law

A) an old observation is well explained by the theory
B) a new observation cannot be explained by the theory
C) they observe patterns that fit the theory
D) a new scientific instrument becomes widely used

A) do not rely on other scientific experiments
B) do not build on previous knowledge
C) provide a logical explanation of a problem
D) provide only one 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) use technology to analyze his data
D) better understand such large amounts of data by finding an average

A) mean
B) median
C) outlier
D) mode

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) simulate tornado formation
B) study tornadoes visually over several days
C) observe the formation of dangerous tornadoes
D) observe tornado speeds remotely

A) does not need to be considered if firefighters are very strong
B) is a constraint that needs to be considered in the design process
C) is not a reason to reconsider the design if the hose works as planned
D) is less important than the total amount of water that it can carry

A) It should make work so easy that the company needs fewer firefighters
B) It should fit on the fire truck and attach quickly and easily to fire hydrants.
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) balancing technological risks and benefits
B) using nature to inspire technology
C) minimizing risks to develop technology
D) using science to develop technologies

A) natural inspiration
B) possible risk
C) possible benefit
D) natural constraint