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Lab

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 Lab is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed.   Lab is also used for Laboratory.   A lab is typically a class where you do the "hands on" work of that course. They're often offered for science courses so that students can actually engage with the material they're learning (such as mixing chemicals in chemistry, dissections in biology). They can include doing experiments, writing reports, tests, etc.   A sample of a material to be tested or analyzed that is prepared from a gross sample and retains the latter's composition.
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Control

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 Control A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable.   noun.  English Language Learners Definition of control. The power to make decisions about how something is managed or done. The ability to direct the actions of someone or something. : an action, method, or law that limits the amount or growth of something   There are three main variables: independent variable, dependent variable and controlled variables. Example: a car going down different surfaces. Independent variable: the surface of the slope rug, bubble wrap and wood. Dependent variable: the time it takes for the car to go down the slope.
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Telescope

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 Telescope is an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects, or various devices used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation.   The first person to apply for a patent for a telescope was Dutch eyeglass maker Hans Lippershey (or Lipperhey). In 1608, Lippershey laid claim to a device that could magnify objects three times. His telescope had a concave eyepiece aligned with a convex objective lens.   Primary mirror (for reflecting telescopes), which carries the same role as the primary lens in a refracting telescopes. Eyepiece, which magnifies the image. Mounting, which supports the tube, enabling it to be rotated.   Types of Telescope. There are three main types of telescope. These are refracting telescopes, Newtonian telescopes and Schmidt-Cassegrain telescopes.   The Arecibo radio telescope still represents the largest single-aperture telescope e...
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