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Nature of Science vo

QuestionAnswer
Science A way of learning about the Natural world. Often involves the "relentless" testing and retesting of conclusions
Hypothesis A possible (and testable) explanation to a scientific question. Has low predictive value. Often expressed as an "if-then" statement
Theory A well-tested explanation to a scientific question. Has high predictive value
Law A very well tested explanation to a scientific question. Has very high predicitive value, and describes what scientists expect to happen every time
Anthropomorphic Statement A statement that attributes human emotions, motivations, and/or attributes to non-human organisms. Has no value in science because it represents an observation that can't be tested
Teleological Statement any description of nature that implies the existence of a Creator. No value in science becuase it can't be tested.
Scientific Method the (approximately) 7 step process for exploring observations and answering questions.
Observation the process of using one or more of the five senses to gather information about the world.
Inference an interpretation of an observation based on evidence and prior knowledge.
Research finding out what others have already learned about your scientidic questions.
Variables the factors that can change during an experiment.
Manipulated Variable the factor that the scientist changes during an experiment. Also called the independent variable.
Responding Variable the factor that changes as a result of changes to the manipulated variable in an experiment. Also called the dependent variable.
Controlled Variable the factors that you want to reamain constant (unchanged) during an experiment.
Controlled Experiment an experiment in which all variables except one are kept constant.
Data the observations and measurements you make during an experiment.
Conclusion a statement that sums up what you learned during an experiment.
Line Graph a good way to display data when your manipulated (independent) variable is continous. (that is, there are others points between the ones you tested.)
Interpolation a method of estimating values between your known data points.
Extrapolation a method of estimating values beyond your known data points.
Bar Graph a good way to display data when your manipulated (independent) variable is distinct (that is there are no other points between the ones you tested.)
Dry Mix an acronym for remebering which variables are graphed onto which axes. (Dependent, responding on Y and manipulated, independent on X)
Length the distance between two points.
Volume the amount of space something takes up.
Mass the amount of matter in an object. Similar (but not identical) to weight.
International system of units the standard system of measurement used by scientist all over the world. Abbreviated SI. Also called the metric system.
Meter the basic SI unit for measuring length.
Liter the basic SI unit for volume.
Gram the basic SI unit for mass.
Centi the SI prefix that means 100 times smaller (1/100th) than the basic unit.
Mili the SI prefix that means 1000 times smaller (1/1000th) than the basic unit.
Kilo the SI prefix that means 1000 times larger than the basic unit.
Created by: sshatch