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Science

TermDefinition
Qualative Made by gathering information that can be recorded using descriptive language.
Quantative Made by gathering information that can be recorded as a number with a measurement unit.
Scientific Law Describes what scientists expect to happen every time under a particular set of conditions.
Inference Not a fact, but an interpretation of what the direct observations mean.
Constant Part of an experiment that is held in the same condition for control and experimental.
Variable Part of an experiment that changes.
Independent 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.
Inquiry/Question 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 takes up space and has mass.
Physical Properties Any change that alters the form or appearance of matter, but does not make any substance in the matter into a different substance;Changing the appearance,but not what it is.
Chemical Properties A change in matter that produces one or more new substances.
Weight Amount of gravity on an object.
Mass Amount of matter in an object.
accuracy Being correct or precise
calibration to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).
graduated cylinder a narrow, cylindrical container marked with horizontal lines to represent units of measurement and used to precisely measure the volume of liquids.
International System of Measurement the modern form of the metric system and is the world's most widely used system of measurement, used in both everyday commerce and science.
liquid composed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid.
meniscus The mark on the graduated cylinder that determines the amount of ml.
Newton-a unit of measurement One newton is equal to the force needed to accelerate a mass of one kilogram one meter per second per second.
precision Being accurate
triple beam balance A tool to measure mass
unit What something is measured as.
volume the amount of space, measured in cubic units, that an object or substance occupies.
mixture matter that consists of 2 or more substances not chemically combined.
compound 2 or more elements chemically combined.
heterogeneous 2 or more substances not chemically combined, and appearing non-uniform with physically distinct substances included.
homogeneous 2 or more substances not chemically combined, but appear to be evenly blended.
element the simplest type of pure substance.
pure substance a substance made of only one kind of material having definite proportional amounts and properties.
Created by: Raegan_Hetrick