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Chapter 1

Science vocab

science the study of the natural world
observing using one or more of your senses to gather information
inferring explaining observations
predicting making a forecast of what will happen based off of evidence
chemistry properties of matter and how it changes
physics study of matter, energy, focus and motion
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
quantitative data has measurements
qualitative data data that has no measurements
conclusions when the hypothesis is right or wrong
communicating share your results
model a picture, diagram, computer image, or other representation of an object or process
scientific theory well tested tested explanation of observation
scientific law scientists expect to happen every time
graph shows correlation
horizontal axis graph line that runs left to right
vertical axis graph line that runs up and down
manipulated variable the variable that is changed
responding variable changes because of another variable change
controlled variable only one parameter is manipulated at a time
origin (0,0)
coordinate a pair of numbers that tell the position of a point
data point shows the location of 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: gm1103