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Words to Know
| Term | Definition |
|---|---|
| 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
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