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Chapter 1

Vocabulary

TermDefinition
Science Study natural world
Observing Use 1 or more to gather information
Inferring Explaining Observations
Predicting Making forecasts based on past
Chemistry Study properties of matter
Physics Matter of energy and how to interact
Scientific Inquiry Different ways to study
Hypothesis Explaining observation
Parameter Factor in experiment
Manipulated Variable Change during experiment
Responding Variable A perimeter in experiment
Controlled Experiment Experiment in time
Data Facts and figures that gather information
Communicating Experiment with others
Model Picture of object or process
Scientific Theory Explaining observations
Scientific Law Rule of nature
Length The distance from one to another
Weight A measure of the force of gravity on an object
Mass A measure of how much matter is in an object
Volume The amount of space that matter occupies
Meniscus The curved upper surface of a liquid in a column of liquid
Estimate An approximation of a number based on reasonable assumptions
Accuracy How close a measurement is to the true
Reproducibility How close a group of measurements are to each other
Significant Figures digits that carry meaning
Precision A measure of the exactness of measurement
Graph A picture of information from a data table
Horizontal Axis A line that runs left to right
Vertical Axis A line that runs up and down
Origin The (0,0) point on a line graph
Coordinate A pair of numbers used to determine the position of a point on a graph
Data Point A point on a graph showing the location of a piece of data
Line of best fit A smooth line that reflects the general pattern in a graph
Linear Graph A line graph in which the data points yield
Slope The steepness of a line on a graph
Nonlinear Graph A line graph in which the data points do not fall
Created by: CHRISTOPHER0521