silk
No, its made from a fibrous spider silk that the spider makes.
Spiders secrete a combination of proteins that they use to weave their webs. Some of the proteins create the silk and another protein makes up the sticky substance that traps the prey in the web.
Simple: A dust web is made of particles of dust and dirt and other things such as leaves, just natural things. A spider web however, is made out of a special kind of silk that most spiders naturally produce and use to create/spin their webs.
No they are not
A broom with an extended handle or a long-handled brush can be used to sweep away spider webs from a house. Alternatively, a pressure washer on a low setting can also effectively remove spider webs from exterior surfaces.
spider webs are made by spiders
spider webs are made by Spiders
silk
You can make a fake spider web by using yarn, dipping it into a water/corn starch mixture to stiffen the yarn, and 'unraveling' the yard to make that stringy look. Here are more complicated ideas: http://stubbs.hubpages.com/hub/How-To-Make-Halloween-Spider-Webs
No, its made from a fibrous spider silk that the spider makes.
spider webs are made of sticky things that come out of a spiders butt
No, spider webs are not conductive.
No. Tigers are no afraid of spider webs. It is doubtful that spider webs matter to them at all.
it depends on how think and many webs the spider made
no spider webs can not be different colors
You can get wreaths, yard decorations, fake spider webs and monster and ghost decorations in Wal-Mart and Walgreen's. You could also try Hobby Lobby, as they have many things that you could use for Halloween.
Yes, spider webs can conduct electricity to some extent due to the silk proteins they are made of, which can carry a small electric charge.