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

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

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

A) do not rely on other scientific experiments
B) provide a logical explanation of a problem
C) do not build on previous knowledge
D) provide only one explanation of a problem

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

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

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

A) simulate tornado formation
B) study tornadoes visually over several days
C) observe tornado speeds remotely
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 fit on the fire truck and attach quickly and easily to fire hydrants.
D) It should make work so easy that the company needs fewer firefighters

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 risk
C) natural inspiration
D) possible benefit