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Physical Science 8

TermDefinition
Qualitative Made by gathering information that can be using descriptive language
Quantitative Made by gathering information that can be recorded as a number with a measurement unit
Inference Not a fact, but an interpretation of what direct observations mean
Law Describes what scientists 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 experimental
Variable part of the experiment that changes
Multiplicative 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
Question to ask for information
Dependent 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.
Experiment a course of action completed in order to test a hypothesis
Control a standard o which all other levels are compared in a scientific experiment
Physical properties Any change that alters form or appearance of matter but does not make any substance in the matter into a different substance.
Chemical Properties a change in matter that produces one or more new substances.
Weight How much something weighs
Mass How much matter is in a object
Volume The amount of space an object occupies.
Work Force exerted on an object that causes it to move
Gravity the force that pulls objects toward each other
Newton a unit of force required to move 1 kilogram, 1 meter
Force push or pull exerted on an object
Newtons Law 1 An object at rest stays at rest or an object that is moving at a speed in a straight line keeps moving at that speed unless another force acts on it.
Newtons Law 2 The amount of force needed to make an object change its speed depends on the mass of the object and the acceleration required.
Newtons Law 3 For every action (or force), there is an equal and opposite action( or force)
Created by: Alikinz223
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