Fibers are fine,long pieces of natural or synthetic material.They are used for making threads,yarns,and cloth. Fibers used for making textiles are natural or synthetic. Natural fibers are from nature while the synthetic fibers are made by mixing other substances. Natural fibers are made from animals,plants and minerals.
Wool is the first fiber that man transformed in threads and cloths to make clothe. The wool is taken from lamb,sheep,llama,alpaca,goats,rabbits and others. These animals grow in cold places and the colder the place the more fur they produce. This is cut once a year after winter. • Warm • Fibers not stable- shrinks • Burns easily • Elastic • Durability • Doesn’t get dirty easily Wool is used in quilts,coats, sweaters,gloves,hats,scarves since it is an extremely warm cloth.
SILK Silk is produced by a worm. The first ones to cultivate the silk worm were the Chinese. There are two types of silk: the natural silk and the cultivated silk. The worms of each type of silk are feed with different types of plants. • shiny • soft • elastic • doesn’t shrink • burns easily • changes color when ironed Silk is used in handkerchiefs , shirts,ribbons and dresses.The most common silk cloths are crepe,chiffon,tafetan,georgette and organdi.
COTTON • extremely resistant • can be washed easily • can be ironed at high temperatures. • too much wash , too much sun can fade its color. • wrinkles easily
DIFFERENT COTTON CLOTHS FROM COTTON MANY CLOTHS ARE MADE .THESE ARE SOME OF THEM. • DACRON • T-SHIRT • JEAN • DANRIVER • TOWEL • FLANNEL • TROPICAL
LINEN This plant fiber is obtained from the stems of the linen plant .The stem is straight and measures 3 feet high. linen is one of the oldest textiles. Some pieces of linen have been found in Egyptian mummies. It is resistent to high temperature and it can wrinkle very fast.It is very absorbent. It is used in suits,dresses and table cloth.
RAYON Its prime material is wood pulp. It is a synthetic textile. soft • resistant to wear and sun • easily affected by acids • can be ironed at high temperatures • burns easily • lustruous • absorbent Rayon is used in dresses and shirts. It is also used in cloths of domestic use. Has medical and surgical uses.
NYLON: It is made up of resines mixed with carbon ,air and water. • resistent • doesn’t have absorbency. • can’t resist any heat when ironed. • excellent durability • bleach doesn’t affect its color. Used in shirts, dresses, panty hoses, women’s interior clothe,and in furniture.
LYCRA : • It is an elastic fiber • not absorbent • durability • resists bleach and sun • dries very fast Used in swimming suits, sportcloth, socks and interior cloths.
POLIESTER THIS SYNTHETIC FABRIC IS MADE FROM PETROLEUM. • itneverwrinkles • has electricstatics • driesveryfast • lots of durability • veryresistent • burnsveryfast USED IN CURTAINS ,BED CLOTH ,SHIRTS,PANTS,AND DRESSES.
FLAMMABLE CLOTHS Allthesesyntheticclothsmentionedpreviously are flammable. Flammablemeansthatthese are textiles that can burneasily. Most of them are wrinkle free especiallypoliester.Butiftheyneedto be ironeditshould be done in verylowtemperatures and carefully. That’swhyfirefightersorfiremenuniforms are made of a specialclothresistanttofire .Thoughthey are madefromsyntheticclothstheyhavesomeotherchemicalsthatmakethemresistfiretosomeextent. Theaters ,audutoriums, and other places thatgatherlargecrowdshavecurtainsmadefromclothsthat do notburneasily. Itis done thisway in case a fireoccurs.
DURABILITY • Whenwetalkaboutdurabilitywetalkaboutsomethinglastingfor a long time. Themajority of clothshavedurabilityespeciallywhengoodcareisgiventoit. • Most of them do notfadetheir color evenwhenthey are exposedfrequentlytothesun. . Time passesby and theykeepthesameshapeevenwhenthey are washedseveral times. Thisalwayshappenswiththesyntheticclothslikepoliesterlycra,nylon, and rayon
Home Economics 7 th grade • Tirade economía30 pts. • Piñata 30 pts. • Lab 10 pts • Partial exam 30 pts.
RUBRIC Report on cloth 10pts. General characteristics: Place of origin or place found in big quantity Uses 2 pictures 1 complete page Pictures in another page # 16 Information 8 pts. Pictures 2 pts.
Chart :10 pts. • TITLE. SPELLING ,NEATNESS 6 PTS. • CLOTHS 4 pts. • Cooking Lab: 10 pts. Bringing cap and apron: 3 pts. • Bringing materials : 3 pts. • Following instructions : 4 pts.