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8th physical science

TermDefinition
Qualitative Observations Made by gathering information that can be recorded using descriptive language.
Quanitative Observations 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.
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
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 to which all other levels are compared in a scientific experiment.
Matter Anything that has mass and takes up space.
Physical Properties A characteristic of a pure substance that can be observed without changing it into another substance.
Chemical Properties A characteristic of a pure substance that describes its ability to change into different substances.
Atoms An atom is the basic particle from which all elements are made.
Weight A measure of the force of gravity on you.
Mass The measurement of the amount of matter in an object.
Unit of Mass Grams
International System of Units Scientists use this to measure the properties of matter.
Volume The amount of space matter takes up.
Calculating Volume. Calculating the amount of space that matter takes up.
Accuracy The quality or state of being correct
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 Measurement The modern form of the metric system and is the worlds most widely used system of measurments.
Liquid Having the consistency like that of water or oil etc.,Flowing freely but of constant volume.
Meniscus The curved upper surface of the liquid in a tube.
Newton The SI unit of force. Equal to the force that produces an acceleration of one meter per second on a mass of one kilogram.
Precision The state or process of being exact.
Triple beam balance A typical Mechanical Balance.
Unit A quantity chosen as a standard in terms of which other quantities may be expressed.
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 elements 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.
Created by: Ainsley14000
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