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Which of the following is the easiest graph/table to construct? - Answer: data table
Which of the following is the easiest graph/table to read? - Answer: Bar graph
Which of the following is the most informative graph/table? - Answer: Line graph
Which of the following describes a direct proportion? - Answer: a relationship in which the
ratio variables is constant
Which of the following describes an inverse proportion? - Answer: a relationship in which
the product of two variables is constant.
What is a variable that changes due to a change in another variable? - Answer: responding
variable
What is the variable that is controlled by the scientist/experimenter? - Answer:
manipulated variable
What is science? - Answer: a system of knowledge and the methods used to obtain that
knowledge
How are science and technology related? - Answer: they are interdependent
What is technology? - Answer: use of knowledge to solve practical problems
What are the 3 branches of natural science? - Answer: physical, Earth/Space, Life
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, What are the "building blocks" of matter? - Answer: atoms
What are the 3 subatomic particles? - Answer: protons, electrons, neutrons
What is a scientific theory? - Answer: a well-tested explanation for a set of observations or
experimental results
What is a scientific law? - Answer: a statement that summarizes a pattern found in nature
What is a scientific model? - Answer: a representation of an object or an event.
What does the prefix kilo- mean? - Answer: 1000
What does the prefix centi- mean? - Answer: 1/100 or .01
What does the prefix milli- mean? - Answer: 1/1000 or .001
What do all measurements need to include? - Answer: a number and a unit
How many manipulated variables should a controlled experiment have? - Answer: 1
Where was the International system of Units created? - Answer: France
What is the abbreviation for the International System of Units? - Answer: SI
What is accuracy? - Answer: how close a measurement is to the actual value
What is precision? - Answer: how exact a measurement is
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