You build a charge The wool cloth is very weak in holding electrons so when you rub it with the ebonite rod the electrons transfer onto the rod. The rod is negativly charged (assuming that the rod was neutrally charged). The wool becomes positivly charged (assuming that the wool was neutrally charged)
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Rubbing metal on silk can magnetize it. It's a common method when making an emergency compass.
http://www.survivaltopics.com/survival/make-a-floating-needle-compass/
You build a charge when rubbing vinyl with a wool cloth. The wool cloth is very weak in holding electrons so when you rub it with the ebonite rod the electrons transfer onto the rod. The rod is negatively charged (assuming that the rod was neutrally charged). The wool becomes positively charged (assuming that the wool was neutrally charged)
cotton absorbs the most water, then wool, then nylon, ,and silk absorbs the least amount of water
Fibers are what fabric is made out of. The fibers can be plant, as in cotton and linen or animal, as in wool, insect, as in silk or man made, as in nylon. For the manufacture of fabric the fiber is first spun into thread or yarn, and then woven into cloth.
Nothing happens. I have amber and wear it with wool and other clothing. At the very most there is friction.
Fiber is what fabric is made of. The fibers can be plant, as in cotton and linen; animal, as in wool, insect, as in silk; or man made, as in nylon. For the manufacture of fabric the fiber is first spun into thread or yarn, and then woven into cloth. Felt is made by taking wool fiber and getting it wet, then squeezing all the moisture our of it. The fibers stick together by the pressure put on it while wet.