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PS chapter 1

PS 1

TermDefinition
Science The study of the natural world.
observing Using one or more senses to gather information.
inferring guessing based on what you already know
Predicting Making a forecast based in past experience
Chemistry Matter's property and changes
Physics interactions of matter, energy, motion, forces.
Scientific Inquiry different ways they study the world
Hypothesis possible answer to a scientific question
parameter factor the can be measured
manipulated variable purposely changed
responding variable expected to change
controlled experiment only one variable is manipulated at a time
Data facts,figures, and other evidence
communicating sharing ideas and conclusions
model picture,diagram, to use as visual
scientific theory well tested experiment
scientific laws what scientists expect to happen
SI Expanded metric system
weight the measurement of the forces of gravity on you.
Mass Amount of matter an object contains
estimate approximation of a number when it can't exactly be obtained
accuracy how close an approximation is to the true value
significant figures measurement that includes all the digits that have been estimated
precision the exactness of a measurement
reproducibility how close a group of measurements are to each other
graph picture of your data
horizontal axis x-axis, runs left to right
vertical axis y-axis, runs up and down
origin where the 2 axis cross
coordinate numbers to determine the position of the graph
data point point showing the location of a position on a graph
line of the best fits smooth line that reflects the pattern
linear graph data points has a straight line
slope the steepness of the graph line
non-linear graph data points that aren't in a straight line
Created by: jocelynhuerta