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Science 8

TermDefinition
Matter Anything that has mass and takes up space
Weight Pull of gravity on an object (can change!)
Mass Amount of matter inside an object (cannot change)
Physical Change Any change that alters form or appearance of matter but does not make and substance in the matter into a different substance.
Chemical Change A change in matter that produces one or more new substances.
Qualitative observations Observations using the five senses
Quantitative observations Observations recorded as a number
Inference Interpretation of what the direct observations mean
Scientific Law Describes what scientist 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
Varible Part of the 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 or experimental results
Inquire To ask for information
Responding varible 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 an a scientific experiment
Newton's First Law A object at rest stays at rest and an object in motion stays in motion unless altered by an external force
Newton's Second Law Amount of force needed to change an objects speed depend on the mass of the object and the acceleration required
Newton's Third Law Every action has an equal and opposite reaction
Accuracy Being correct and precise.
Calibration Each set of graduation on an interment.
Graduated Cylinder Used for measuring amount of water
International System of Mesurement The system of measure of movement used all over the world
Liquid Flowing substance that takes form of it's container
Mass The amount of matter in an object
Matter Anything that has mass and takes up space
Meniscus A slope in the surface of a liquid
Newton A measurement for the amount of it takes one kilogram across one kilometer
Precision Hitting the same spot everytime
Triple beam balance An instrument that measures mass
Unit Quantity chosen as a standard item
Volume Amount of spaces an object takes up
Weight Amount of gravity that pushes on an object
Matter Anything that has mass and volume
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 combinded
Homogeneous mixture two or more substances not chemically combined, but appearing to be evenly blended
Heterogeneous mixture Two or more substances not chemically combined, and appearing no uniform with physically distinct substances included
Condensation point Temperature a liquid turns into a gas
Conductor A material that allows electricity to flow
Density Objects mass compared to it's volume
Deposition A gas changing into a solid with changing into a liquid
Ductile Ability to be pulled into long thin wires
Flexible Ability to bend without breaking
Freezing point Temperature that a liquid turns into a gas
Insulator Material that does not allow electricity to run threw it
Kinetic Theory That all of matter is made up of particles that move in a random motion
Luster Shininess
Magnectic Something that sticks to a magnet
Malleable Ability to be hammered into a flat sheet of material
Melting point The temperature a solid melts
Plasma Matter that has electrically charged particles
Sublimation A solid changing into a gas with it changing into a liquid
Accuracy An area that is on track
Balance The tool we use to measure mass
Boiling point The temperature a liquid boils
Brittle Material that is breakable when it is under pressure
Calibrate To mark off lines on a measuring equipment
Centimeter cubed A measurement for volume
Chemical Property Characteristic of a substance changing into something else
Compress To press togather
Dissolve To break into tiny pieces
Gas Matter that has infinite number of shapes and volumes
Graduated cylinder A tool used for measuring
Gram A unit of measurement for measuring mass
Kilogram A unit of measurement measuring mass
Liquid Matter that has definite volume
Litter A unit of measurement that measures amount of liquid
Mass The amount of matter in an object
Matter Anything that has mass and volume
Meniscus Curve of the surface of the water
Milliliter Unit of measurement for liquid
Phases of Matter Solid, liquid, gas, and plasma
Physical Property Characteristics of a substance without changing it into another substance
Precision amount of detail or refinement in measuring
Solid State of matter having definite matter and definite shape
Soluble able to dissolve
States of Matter Solid, liquid, gas, and plasma
Texture How something feels
Unit A single, undivided whole
Volume Amount of space that an object takes up
Weight The amount of gravity that pushes on an object
Created by: PrincessLeia456