kinds of intructional aids and their use.?
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If you're talking about instructional aids that you can you use for students, I think I might be able to help you.\n\nThere are lots of instructional aids! Let's see...\n~There are simple, "duh! why didn't I think of that?!" ones, like overhead transparencies, videos, chalkboards, and other visual aids,\n~There are many games, for just about any subject,\n~There are computer activities, like School House Rock, \n~There are manipulative for math, like fraction cubes, clocks, or dice,\n~There are flash cards, puzzles, graphic organizers,\n~There are seasonal activities that can be used to enforce a specific concept,\n~And tons more!\n\nHere are a couple of sites to check out:\n~www.reallygoodstuff.com\n~www.educationalaids.com\n~www.pacon.com\n\nHope this helps!
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lifting, pulling, exerting greater forces
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Making a map (reducing)\nLooking at something with a magnifying glass (enlarging)\nUsing a blueprint to construct a building (enlarging)
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Use the stuff for fixing glasses.\nWorks like a charm.
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Useful: \nMedicine\nRobotic technology\n\nHarmful: \nAtomic bomb\nNerve gas
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http://www.projectseven.com/\nhttp://www.fourlevel.com/extensions.htm
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Heres a list of them: http://www.google.com/search?hl=en&lr=&q=related:proxify.com/
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Hi midnight, check out this site.  It should be of some help.  No diagrams, but plenty of text information.  Hope this helps.  Good luck.
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Here's one:\n\nhttp://www.enchantedlearning.com/letters/
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vroma.org/~bmcmanus/\nclothing.html
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Earthmoving: A general introduction to types of earthmoving equipment and engineering fundamentals of earth hauling ...\n\n\nmethods for construction of projects, including earthmoving, paving, steel and concrete.  For the rest of this article and other excellent sources of your information, consult these lists:\nhttp://search.yahoo.com/search?p=engineering+fundamentals+of+earthmoving&prssweb=Search&ei=UTF-8&fr=FP-tab-web-t403&x=wrt\nhttp://www.google.com/search?hl=en&q=engineering+fundamentals+of+earthmoving&btnG=Google+Search
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I used to tell people they needed a concrete softner to fix problems in their sidewalks. \n\nWe used to tell the new students to bring us 'left' handed wrenches.\n\nAnd George Carlin made reference to a left nostral inhaler.
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A graphic is woth a thousand words.\nGraphical aids are important because people who cannot hear, can activate the visual effects of Windows in order to be notified when something important happens, like an email arriving or something.
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Here you go...\nhttp://english.donnayoung.org/pos/helpingverbs.htm
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They tend to be specialize to specific types, but here is one:\nhttp://www.amctools.com/\nJust do a google search for more types
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You can describe different types:\n\nhttp://www.aecom.yu.edu/ehs/Industrial%20Hygiene/Fs_Fibergls.htm\n\nhttp://www.clarkcraft.com/fiberglasscovering.php3
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all kinds of organi materials