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

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

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

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

A) use technology to analyze his data
B) better understand such large amounts of data by finding an average
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) must always be included in your calculations
B) sometimes can be disregarded but should be reported
C) sometimes can be disregarded and left out of the repot
D) should never be included in your calculations

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

A) does not need to be considered if firefighters are very strong
B) is not a reason to reconsider the design if the hose works as planned
C) is less important than the total amount of water that it can carry
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 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 make the firefighters feel better about the work they are doing.

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

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