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8th Physical Sci.

TermDefinition
Qualitative Observation made by gathering information 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 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
Manipulative a factor in a controlled experiment that is intentionally changed by the experimental
Scientific Theory a well tested explanation for a wide range of observations or experiment results
Inquiry to ask for information
Dependent Variable and Responding Variable a resulting factor in a controlled experiment that is observed and measure to see if it changes due to the manipulation of another varibale
Experiment a course of action completed in order to test a hypothesis
Control a standard to which all other levels are compared in a scientific experiment
Physical Properties does not make change ex.ice melting, cutting paper
Chemical Properties produces one or more substances
Mechanical Advantage The ratio of the output force produced by a machine to the applied force
Work force exerted on an object that causes it to move
Force a push or pull exerted on an object
Gravity the force that pulls two objects towards each other
Newton A unit of force required to move 1 kilogram 1 meter required
Newton's First Law An object at rest stays at rest or an object that is moving in a straight line keeps moving at that velocity unless another force acts on it
Newton's Second Law The amount of force needed to make an object change its speed depends on the mass of the object and the acceleration required
Newton's Third Law For every action (or force), there is an equal or opposite action ( or force)
Created by: 3083160