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CP Chem: Ch. 1

NRuddock: CP Ch. 1

Chemistry They study of matter and the changes that it undergoes.
Control In an experiment, the standard that is used for comparison.
Hypothesis A tentative, testable statementor prediction about what has been observed.
Independent Variable In an experiment, the variable that the experimenter plans to change.
Mass A measure of the amount of matter.
Dependent Variable In an experiement, the variable whose value depends on the independent variable
Matter Anything thqat has mass and takes up space.
Scientific Law Describes the relationship in nature that is supported by many experiments.
Theory An explaination supported by many erperiments; is still subject to new experimental data, can be modified and is considered successful if it can be used to make predictions that are true.
Weight A measure of an amount of matter and also the effect of Earth's gravitational pull on that matter.
Scientific Method A systematic approach used in scientific study that typically includes observation, a hypothesis, experiments, data analysis, and a conclusion.
Qualitative Data Information describing color, odor, shape, or some other physical characteristic.
Quantitative Data Numerical information describinh how much, how little, how big, how tall, how fast, ect.
Model A visual, verbal, and/or mathematical explanation of data collected from many experiments.
Experiment A set of controlled observations that test the hypothesis.
Created by: nruddock