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science 8

TermDefinition
quantitative made by gathering information that can be recorded using descriptive language.
qualitative made by gathering information that can be recorded as a number with a measurement
infrence not a fact, but an interpretation of what the direct observations mean
constant describes what scientists expect to happen every time under a particular set of conditions
scientific law part of an experiment that is held in the same condition for control and experimental
manipulative variable part of the experiment that changes
independent variable a factor in a controlled experiment that is intentionally changed by the experimenter
scientific therory a well tested explanation for a wide range of observations or experimental results
experiment a course of action completed in order to test a hypothesis
inquiry to ask for information
responding variable a resulting factor in a controlled experiment that is observed and measured to see if it changes due to the manipulation of another variable
control a standard to which all other levels are compared in a scientific experiment
matter anything that has mass and takes up space
weight amount of gravity on an object
mass amount of matter in an object
physical change any change that alters form or appearance of matter, but does not make any substance in the matter into a different substances
chemical change a change in matter that produces one or more sudstances
accuracy
calibration
graduated cylinder
international system of measurment
liquid
mass
matter
meniscus
newton
precisian
triple beam balance
unit
volume
weight
matter anything that has mass and volume
pure substance a substance made of only one kind of material having definite proportional amounts and properties.
mixture matter that consists of two or more substances not chemically combined
element the simplest type of pure substance
compound two or more substances chemically combined
homogeneous mixture two or more substances not chemically combined, but appearing to be evenly blended
heterogeneous mixture two or more substances not chemically combined, and appearing non-uniform with physical distinct substances included
Created by: 3061916
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