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8th physical science

TermDefinition
physical properties a physical change of a substance that does not change what the substance is
chemical properties a change to a substance that changes the substance into something else
matter anything that has mass or takes up space
mass amount of space taken up
weight measure of force of gravity on an object
qualitative made by gathering information that can be recorded using descriptive language
quanitative made by gathering information that can be recorded as a number with a measurement unit
infrence not a fact, but an interpretation of what the direct observation means
scientific law 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 an experiment that changes
manipulated variable a factor in a controlled experiment that is intentionally changed by the experimenter.
scientific theory a well tested explanation for a wide range of observations.
scientific inquiry 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
controll a slandered to which all other levels are compared in a scientific experiment
gravity force pushing down on an object
work force exerted on an object that causes it to move
force a push or pull exerted on an object
accuracy the quality or state of being correct or precise.
calibration the action or process of calibrating an instrument or experimental readings.
graduated cylinder a piece of laboratory equipment used to measure the volume of a liquid.
international system of measurment modern form of the metric system and is the world's most widely used system of measurement, used in both everyday commerce and science.
liquid one of the four fundamental states of matter (the others being solid, gas, and plasma), and is the only state with a definite volume but no fixed shape.
meniscus the curved upper surface of a liquid in a tube.
newton-a unit of measurment force necessary to provide a mass of one kilogram with an acceleration of one metre per second per second.
unit an individual thing or person regarded as single and complete but which can also form an individual component of a larger or more complex whole.
triple bean balance is a typical mechanical balance. It has a beam which is supported by a fulcrum.
precision the quality, condition, or fact of being exact and accurate.
Created by: shivp52