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8th Physical Science

TermDefinition
Qualitative Observations Made by gathering information that can be recorded using descriptive language.
Quantitative Observations Made by gathering information that can be recorded as a number with a measurement unit.
Inference not a fact, but a interpretation of what the 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 an experiment that changes.
Manipulative Variable A factor in a controlled experiment that;s intentionally changed by the experimenter.
Dependent Variable A resulting factor in a controlled experiment that's observed and measured to see if it changes due to the manipulation of another variable.
Theory A well tested explanation for a wide ranges of observations or experimental results.
Question To ask information
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 with mass that takes up space.
Physical Properties Any changes that alters somethings form or appearance of matter, but doesn't change anything it's made out of.
Chemical Properties A change in matter producing two or more new substances
Work A force exerted on an object that causes it to move.
Force A push or pull exerted on an object.
Newton A unit of force required to move 1 kilogram 1 meter.
Newton's 1st Law An object at rest, stays at rest. An object in motion stays in motion unless acted on by an unbalanced force.
Newton's 2nd Law Acceleration is produced when a force acts on mass. The greater the mass the greater the force needed.
Newton's 3rd Law For every action there is an equal and opposite reaction.
Gravity The force that pulls objects towards each other.
Mechanical Advantage The ratio of the out put force produced by a machine to the applied input force.
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 collect the volume of liquid.
International System of Measurement The modern form of the Metric unit.
Liquid Flowing freely but keeping the same volume.
Mass A coherent, typically large body of matter with no definite shape.
Matter A physical substance that occupies space.
Meniscus The curved upper center of a liquid in a tube.
Newton The SI unit of force.
Precision The quality or condition of being exact.
Triple-beam-balance A scale used to precisely measure weight.
Unit A quantity chosen as a standard in terms in which other quantities may be measured.
Volume The amount of space an object occupies
Weight The quantity of matter contained in something / The heaviness of a person or thing.
Matter Anything that has mass and volume (take up space)
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 evenly blended
Heterogeneous Mixture Two or more substances not chemically combined, appearing non-uniform with physically distinct substances included
Compress To squeeze or press together
Boiling Point The temperature at which water turns to gas
Condensation Point The point at which gas turns to liquid
Conductor A material that allows electricity or heat to pass through easily
Density An objects mass compared to its volume
Depostition A gas changing into a solid with out changing into a liquid
Ductile Able to be pulled into long thin wires
Flexible Able to bend without breaking
Freezing Point Temperature at which liquid turns to solid
Insukator A material that doesn't allow electricity or heat to pass through easily
Kinetic Theory A physics theory that all matter is made of moving particles in random motions
Luster Shininess, the property of something that shines a reflective light
Magnetic A material that is attracted to magnets
Malleble Able to be hammered or pressed into flat sheets
Melting Point Temperature at which a solid turns into a liquid
Created by: aubiefan
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