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science

TermDefinition
Matter Anything that has mass and takes up space.
Physical Change Any change that alters form or appearance of matter but does not change the substance.
Chemical Change A change in matter that makes one or more new substances.
Weight The pull on an object.
Mass Matter in an object.
Qualitative Made by gathering information that can be recorded using description language.
Quantitative 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 an experiment that changes.
Independent/Manipulated 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.
Dependent/Responding 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.
Mixture Matter that consists of two or more substances not chemically combined.
Compound Two or more elements chemically combined.
Pure substance A substance made of only one kind of material having a definite proportional amounts and properties.
Element The simplest type of pure substance.
Homogeneous mixture Two or more substances not chemically combined, but appearing to be evenly blended.
Heterogeneous mixture Two or more substances not chemically combined, but appearing non-uniform with physically distinct substances included.
brittle breaking into small pieces if bent or pressed
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
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
flexible able to bend without breaking
gas state of matter having indefinite volume, indefinite shape, with particles bouncing around
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
kinetic theory a physics theory that all matter is made of moving particles in random motion
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
plasma a state of matter consisting of ionized (electrically charged) particles
precision the amount of detail or refinement in measurement
soluble able to dissolve
sublimation turning from solid to gas without turning into a liquid
texture how something feels, especially whether it is bumpy or smooth
Created by: lillywebb