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JMO sci bef Ch 1


science finding answers to questions by investigating and exploring natural events
biology study of all living things
earth science study of what is in, on, and around the earth and in space
physical science studies the interactions of matter, energy, and forces in space
inference logical explanations based on observations
experiment variable part of experiment that can change
experiment control part of experiment that stays the same
description spoken or written summary of observations
explanation an interpretation of observations
international system of units an internationally accepted system for measurements
accuracy how close a measurement is to the true value
precision description of how similar or close measurements are to each other
significant digits number of digits in a measurement
variable any factor in an experiment
dependent variable factor measured or observed
independent variable factor you want to test
constants factors in an experiment that remain the same
hypothesis an educated guess based on inferences
observation using your senses to gather info
technology practical use for scientific knowledge
scientific theory an explanation of observations
scientific law describes a pattern in nature that is always true
critical thinking comparing what you know
Created by: moertel



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