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ps chapter 1

science

TermDefinition
observing using one or more senses to gather info
scientific law statement that describes expectation under conditions
communicating ideas through writing and speaking
inferring making an inference
science the study of the natural world
model image, diagram, representation of an object
predicting making a forecast based on experience
scientific theory tested explanations for observations
chemistry study of properties of matter and how the change
physics study of matter, energy, motion, forces, how they interact
scientific inquiry different ways to study the natural world
hypothesis possible answer to scientific question
parameter factor that can be measured in experiment
manipulated variable purposely changed
responding variable expected to change
controlled experiment one parameter manipulated at a time
data facts, figures observed
Graph pic of data
horizontal axis X
vertical axis Y
origin point where X and Y cross
coordinate pair of #s position on graph
data point point showing location of intersection
line of best fit smooth line in general pattern
linear graph data points in straight line
slope steepness on graph line
non linear graphs data points in non straight line
si expanded metric system
weight force of gravity on you
mass measure of amount of mass in object
estimate approx. number based on reasonable
accuracy true or actual value
reducibility closeness of groups measurments
significant figures all digits exactly measured plus 1 digit
precision exactness of measure
Created by: 616874