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Science

TermDefinition
Quantitative Observation Made by gathering information that can be recorded using measurements and units
Qualitative Observation Made by gathering information that can be recorded using descriptive language
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
Independent Variable (MV) 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
Dependent Variable (RV) A resulting factor in a controlled experiment that is observed and measured to see if it changes due to the manipulation of another variable
Inquiry To ask for 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 that has mass and takes up space
Physical Property Any change that alters the form of appearance of matter but does not make any substance in the matter into a different substance or a characteristic of a pure substance that can be observed without changing it into another substance
Chemical Property A change in matter that produces one or more new substances or a characteristic of a pure substance that describes its ability to change into different substances
Weight The amount of gravity on an object
Mass The amount of matter (atoms) in a substance; measured in grams and kilograms
Grams Unit of mass or an SI unit to measure mass; 1g = 0.001kg; there are 1000g in 1 kilogram
Accuracy The quality or state of being correct or precise
Calibrate To mark off lines on measuring equipment for the desired unit
Graduated Cylinder Equipment use to measure liquid volume
International System of Measurement Base unit for measuring mass (kilogram)
Liquid A state of matter having definite volume, indefinite shape, with particles touching, and sliding around each other
Mass The amount of matter in an object
Matter Anything that has mass and takes up space
Meniscus The curve on the upper surface of a liquid in a container caused by surface tension
Newton-a unit of measurement A unit of force required to move 1 kilogram 1 meter
Precision The quality, condition, or fact of being exact and accurate
Triple beam balance Scale used to measure accurate quantities of mass
Unit A single, undivided whole; a quantity chosen as a standard for measurement
Volume The amount of space an object takes up or the amount of space a container holds
Weight The measure of the pull of gravity on a substance
Mixture Matter that consists of two or more substances not chemically combined
Matter Anything that has mass and volume(takes up space)
Pure Substance A substance made of only one kind of material having definite proportional amounts and properties
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, and appearing non-uniform with physically distinct substances included
Centimeter cubed (cm3) A unit of volume derived from length times width times height
Compress To squeeze or press together
Condensation Point Temperature at which a gas to turn liquid
Conductor A material that does allow electricity or heat to pass through easily
Density An object’s mass compared to its volume. Mass divided by volume is density
Deposition A gas changing into a solid without changing into a liquid
Dissolve To break into pieces too small to be seen
Ductile Able to be pulled into long, thin wires
Freezing Point Temperature at which a liquid turns to solid
Gas A state of matter having indefinite volume, indefinite shape, with particles bouncing around and not touching each other
Gram per centimeter cubed g/cm3; a derived unit used to measure density of a solid
Gram per milliliter g/mL; a derived unit used to measure density of a liquid
Insulator A material that does not allow electricity or heat to pass through easily
Kilogram The SI base unit to measure mass; 1 kg = 1000g
Kinetic Theory A physics theory that all matter is made of moving particles in random motion
Liter The SI unit to measure volume of liquids
Luster Shininess; the property of something that shines with reflected light
Magnetic Material that is attracted to magnets
Malleable Able to be hammered or pressed into flat sheets
Melting Point Temperature at which a solid turns to liquid
Milliliter An SI unit to measure volume of liquids; 0.001 of a liter; there are 1000 mL in 1 Liter.
Phases of matter Solids, liquids, gases, and plasma; also called states of matter
Plasma A state of matter consisting of ionized (electrically charged) particles
Solid A state of matter having definite volume, definite shape, with particles vibrating, touching and locked into place
Soluble Able to dissolve
States of matter Solids, liquids, gases, and plasma; also called phases of matter
Sublimation Turning from solid to gas without turning into a liquid
Texture How something feels, especially whether it is bumpy or smooth
Created by: JavinDavis