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chapter 1

science a way of learning about the natural world through observations and logical reasoning
observing the process of using one or more of your senses to gather information
inferring the process of making an inference, or an interpretation based on observations and prior knowledge
predicting the process of forecasting what will happen in the future based on based experience or evidence
classifying the process of grouping together items that are alike in some way
evaluating comparing observations and data to reach a conclusion about them
making models the process of creating rerepresentations of complex objects or processes
variable a factor that can change in an experiment
independent variable the one factor that a scientist changes during an experiment
dependent variable the factor that changes as a result of changes to the manipulated or independent variable in an experiment
metric system a system of measurement based on the number 10
SI a system of measurement based on multiples of 10 and on established measures of mass length and time
mass a measure of how much matter is in an object
weight a measure of the force of gravity acting on an object
volume the amount of space that matter occupies
meniscus the curved upper surface of a liquid in a column of liquid
density the measurement of how much mass of a substance is contained in a given volume
scientific inquirey the ongoing process of discovery in science
hypothesis a possible explanation for a set of observations or answer to a scientific question
controlled experiment an experiment in which only one variable is manipulated at a time
data facts figures and other evidence gathered through observations
repeated trials a repetition of an experiment to gather additional data and determine whether the experiment results support the hypothesis
replication an attempt to repeat a scientists experiment by a different scientist or group of scientists
Created by: gabbypowell