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Words to Know

TermDefinition
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 graduated cylinder, measuring cylinder or mixing cylinder is a piece of laboratory equipment used to measure the volume of a liquid. Graduated cylinders are generally more accurate and precise than laboratory flasks and beakers
International System of Measurement The International System of Units (abbreviated SI from French: Le Système International d'Unités) is 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 having a consistency like that of water or oil, i.e., flowing freely but of constant volume.
mass a large quantity or amount of something
matter physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
meniscus the curved upper surface of a liquid in a tube
Newton-a unit of measurement the absolute unit of force in the International System of Units (SI units). It is defined as that force necessary to provide a mass of one kilogram with an acceleration of one metre per second per second
precision the quality, condition, or fact of being exact and accurate
triple beam balance a typical mechanical balance. It has a beam which is supported by a fulcrum. On one side is a pan on which the object is placed. On the other side, the beam is split into three parallel beams , each supporting one weight
unit n individual thing or person regarded as single and complete but which can also form an individual component of a larger or more complex whole
volume the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great
weight a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing
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
mixture matter that consists of two or more substances not chemically combined
element the simplest type of pure substances
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 physical distinct substances included
Created by: uh-lissa