what is the name of the spider in charlotte's web?
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Charlotte. Since it's the "spider's web"
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Of course spiders sense gravity and wind. The spider webs you’re speaking of are, I assume, the common orb web. This web is built only by spiders in the family Araneidae. This is the third largest family of spiders and probably the most familiar. You should understand that there are at least 67 other families of spiders with widely different habits – some make no webs, some make horizontal webs, sheet webs, funnel webs, bowl webs, etc. There’s about 40,000 known species of spiders (that’s probably 20% of the total number of existing species). There are about 3,000 described orb web weavers.\n\nTo answer your question, an orb weaver can’t see more than a few inches and picks its spot using cues that are not entirely understand – but a part of the process is random. Spiders weave webs wherever they happen to be. Over 90% of any clutch of spider eggs never makes it to maturity; part of this mortality is due to just bad luck – the spider weaves a web in the wrong place and starves to death (or is picked off by a bigger predator). \n\nTo make a web they use the wind to send a sticky thread of silk to some nearby anchor. If they’re lucky, the wind finds a nice spot where the strand sticks tightly. The spider then anchors the near end and the walks across this first vertical line, strengthens it and then hangs from the middle, dropping straight down to anchor the web wherever they land. They may locate this anchor away from vertical if they have to crawl to a good anchoring spot or the wind blows them to the side. They climb back up this drop line and now have a Y-shaped web. The spider fills this out into the familiar orb shape. The fact that they drop from the center of the first strand ensures a near vertical web. If the wind doesn’t cooperate or they can’t find good anchoring spots, they try again, and again, until they get it or starve to death trying.
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http://www.amonline.net.au/spiders/diversity/classifying/index.htm\nhttp://habitatnews.nus.edu.sg/guidebooks/spiders/text/a-name.htm
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i beleive it is a marbled orb spider.
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Well, the picture doesn't give a good sense of scale, but it looks like a wolf spider.  There are many varieties of Wolf spider, and they can be found all over North America.  Their bites can be painful (like a bee sting), but are otherwise harmless.
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If it has been two days since you were bitten and there are no problems showing up you have\nnothing to worry about.  While almost all (not all)\nspiders have venom most of them have little or\nno effect on vertebrate animals, the poisons are\nadapted to kill insects and other invertebrates.\n\nYour description of the spider does not contain\nenough information to identify it.  One of the most\ncommon spiders shaped like a black widow is the\ncommon comb-footed house spider Achaearanea\ntepidariorum.  It is harmless.\n\nFor information on spider bites in general, with\nspecial reference to brown recluses, but also\nmentioning others, see an article titled "Bites of\nbrown recluse spiders and suspected necrotic\narachnidism" by D.L.Swanson and R.S.Vetter\nin New England Journal of Medicine, vol. 352,\npages 700-707, Feb. 2005.
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Ultima Spider (Pacific Northwest) \nBrown Recluse (North America) \nBlack Widow Spider (North America) \nDaddy Long Leg (Worldwide) \nHobo Spider (North America)
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Yes y am familiar with this kind of spider.y am from Romania and we have a lot of them around.it is called the metal spider.yes is poison es but it is very slow but he can camouflage itself very well.
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The spider plant\n\nand the other link has a couple more
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Check:\nhttp://www.earthlife.net/chelicerata/s-anatomy.html\nhttp://www.greensmiths.com/spiders.htm
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Spiders  !!!!  all of them
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Any spider with a "fat round body" as you put it, is most likely a garden spider family Aranaeidae. These are the very commonly spiders that build large round "typical" webs between bushes, trees and on people's front porches. They are very effective at catching and killing large flying insects, so let it be, it'll do more good than evil. None of these spiders are venomous to people, most (even the big ones) arent even able to deliver a bite, so no worries, hope this helps!
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Spider Web Basics\n\nDifferent spiders weave different types of webs. Spiders can get caught in spiderwebs, sometimes even their own webs! However, you won’t see it very often because they’re careful with their feet. The tips of a spider’s legs are oily. That helps keep them from getting stuck on their sticky webbing. Also, a spider’s web has two different kinds of silk on it. One kind is sticky and one is not. The spider avoids walking on the sticky webbing.\n \nAfter a night’s use, a spider’s web may become damaged. The spider then removes the silk in the morning, leaving only the first bridge line. Sometimes they eat their old webs to conserve silk and to make use of the nutrients of any tiny insects caught in the web. After a daytime rest, the spider constructs a new web in the evening. If the spider’s catch was low and the web was not heavily damaged, the spider may reuse the web after making repairs.
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There are black widow spiders in Wisconsin, and most likely there are also brown recluse spiders.\n\nBlack widows are black with a red hourglass on the underside of their shiny bodies. The Brown Recluse is another spider that is poisonous that you must be on the lookout for. It has long, skinny legs and is about one-half inch long overall. Its entire body is brown, except for a dark, violin shaped mark on its head.\n\nI believe these are the only two species of poisonous spiders in North America.
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Black Widow Spider\nThey spin irregular webs in crevices and other dark, protected spots.The female's bite, poisonous to humans, is followed by local pain and swelling, nausea, and difficulty in breathing and is sometimes fatal. \n\nBrown Recluse Spider\nIt spins a sheet web that may be found in secluded areas among rocks or in houses. The bite causes a long-lasting sore that involves tissue death, and severe reactions to it may become life-threatening.\n\nCrab Spider\n Crab spiders do not spin webs to trap prey, but hunt on the open ground or on vegetation or flowers. In this, they resemble other free-living spiders such as jumping spiders and wolf spiders.\n\nGo to my source 4 pics
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The one thing a spider is afriad of is attack form overhead (primarily wasps looking to lay eggs) You could see if your spider is more of less likely to treact to different colours/shapes suspended overhead.  Or even how it would react to a mirror.
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A few kinds of spiders are harmful to human beings. In North America, six kinds of spiders harm people, they are - the Brown Recluse, Sac, Black Widow, Brown Widow, Red-legged Widow and the Varied Widow. \n\nWater spiders are the only spiders that live most of their life underwater. The water spider breathes underwater from air bubbles that it holds close to its body. Its underwater nest is a silk web shaped like a small bell. The spider fills the web with air bubbles, which gradually push all the water out of the bell. The animal can live on this air for several months. Water spiders are found only in Europe and parts of Asia.