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PS Ch.1

Science The study of the natural world
Observing Use two or more senses to get info
Inference Explain your observations
Predicting Make a statement about the future
Chemistry Properties of matter and how it changes
Physics Study of matter, energy, motion, and focus
Scientific Inquiry About the world around you
Hypothesis Possible answer to a question
Parameters Factors that can be measured
Data Facts, figures, and other info gathered from the experiment
Conclusions When the hypothesis it right or wrong
Communicating Share your results
Model When can not be observed
Scientific Theory Well tested explanation of observation
Scientific Law Scientists expect to happen every time
Graph Shows correlations
Horizontal x - axis
Vertical y - axis
Manipulated Variable The factor that you change, x axis, independent
Responding Variable Changes because of another variable change, y axis, dependent
Controlled Variable Need to be kept constant
Quantitative Data Has measurements
Qualitative Data No measurements
Origin ( 0 , 0 )
Coordinate A pair of numbers that tell the position of a point
Data Point Shows the location or the intersection of data
Line of Best Fit Reflects general pattern of a graph
Linear Graph Graph where data points form a straight line
Slope Rise= y2 - y1 Sun = x2 - x1
Nonlinear Graph Does not fall along a straight line
Created by: Buttercup133