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PS Chapter 1-2

Science Study of the natural world
Observing Using senses to gather information
Inferring Guess based on something you already know
Predicting Making a forecast based on past experience
Chemistry Study of matter and how it changes
Physics Study of matter,energy,motion,forces, and their interactions
Scientific Inquiry Ways scientists study the world
Hypothesis Possible answer for all observations
Parameter Measured factor
Manipulated variable Changed variable
Responding variable Changed variable of the manipulated one
Controlled experiment Manipulated parameter
Data Facts figuers and evidence gathered
Communication Sharing ideas through writing
Model Representation of object
Scientific theories Well tested explanation of observation
Scientific laws Statement described by set of conditions
SI International system of units
Weight Measure of force and gravity
Mass Amount of matter for object
Estimate Approximation of a number
Accuracy How close a measurement is to be true
Reproducibility How close a group of measurement are
Significant figures All digits that have been measured exactly
Precision Exactness of a measurment
Graph picture of your data
Horizontal Axis left to right
Vertical Axis up and down
Origin Where to axis cross
Coordinate pair of numbers
Data point location of intersection
Line of best fit smooth line
Linear graph yield of straight line
Slope stepness of the graph line
Non linear Graph graph where data points do not fall
Created by: brauliocc5