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8th Physical Science

8th Physical Science flash cards on matter

Qualitative Observation Made by gathering that can be recorded using descriptive language
Quantitative Observation Made by gathering information that can be recorded as a number with a measurement unit
Inference Not a fact, but an interpretation of what the direct observations mean
Scientific Law Describes what scientist expect to happen every time under a particular set of conditions
Constant Part of an experiment that is held in the same condition for control and experiment
Variable Part of the experiment that changes
Manipulated Variable A factor in a controlled experiment that is intentionally changed by the experimenter
Theory A well tested explanation for a wide range of observations or experimental results
Inquiry To ask for information
Mechanical Advantage The ratio of the output force produced by a machine to the applied inputforce
Work Force exerted on an object that causes it to move
Force A push or pull exerted on an object
Newton (N) A unit of force required to move 1 kilogram 1 meter squared
Gravity The force tat pulls objects toward each other
Physical Propertiy Does not change the substance, only the for
Chemical Property A change that produces one or more new substances
Mass Amount of matter in an object
Weight The gravity on an object
Unit of Mass Grams
Newton's first law An object at rest stays at rest or an object that is moving at a volocity unless another force acts on it
Newton's second law The amount
Created by: Amber_Cofield