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

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

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

A) provide a logical explanation of a problem
B) do not build on previous knowledge
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) minimize the effects of any random factors on his measurements
D) use technology to analyze his data

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

A) sometimes can be disregarded but should be reported
B) sometimes can be disregarded and left out of the repot
C) must always be included in your calculations
D) should never be included in your calculations

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

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

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