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

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

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

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) increase his chances of obtaining outliers that he could discard
B) better understand such large amounts of data by finding an average
C) minimize the effects of any random factors on his measurements
D) use technology to analyze his data

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

A) sometimes can be disregarded but should be reported
B) should never be included in your calculations
C) must always 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) observe the formation of dangerous tornadoes
D) simulate tornado formation

A) is less important than the total amount of water that it can carry
B) does not need to be considered if firefighters are very strong
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 make the firefighters feel better about the work they are doing.
B) It should make work so easy that the company needs fewer firefighters
C) It should fit on the fire truck and attach quickly and easily to fire hydrants.
D) It should be inexpensive and wear out quickly to protect the environment.

A) using nature to inspire technology
B) using science to develop technologies
C) balancing technological risks and benefits
D) minimizing risks to develop technology

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