Bilimsel bilginin temel \u00f6zelli\u011finin deneyle kan\u0131tlanabilir olmas\u0131ndan yola \u00e7\u0131karak okullar\u0131m\u0131zdaki fen laboratuvarlar\u0131nda ezberci \u00f6\u011frenme yerine deney yaparak ve kavrayarak \u00f6\u011frenmeyi sa\u011fl\u0131yoruz. Sorular\u0131 yaln\u0131zca derslerde verdi\u011fimiz teorik bilgilerle yan\u0131tlamakla kalmay\u0131p prati\u011fe d\u00f6k\u00fclmesini, bilimsel ilkelerin kan\u0131tlanmas\u0131n\u0131 ve \u00f6\u011fretilen bilginin kal\u0131c\u0131la\u015fmas\u0131n\u0131 m\u00fcmk\u00fcn k\u0131l\u0131yoruz.<\/p>\n\n\n\n
LGS\u2019de \u00e7\u0131km\u0131\u015f FEN B\u0130L\u0130MLER\u0130 sorular\u0131n\u0131n \u00e7\u00f6z\u00fcmleri<\/h2>\n\n\n\nLGS 2021, Fen Bilimleri, 13. soru<\/strong><\/h3>\n\n\n\n![\"\"](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/resim.png\")
<\/figure>\n<\/div>\n\n\nSoru: <\/strong>Kat\u0131 bir cismin zemine temas eden y\u00fczeyi ve zemin aras\u0131nda olu\u015fan bas\u0131nc\u0131 etkileyen de\u011fi\u015fkenleri belirlemek i\u00e7in \u00f6zde\u015f cisimler kullan\u0131larak kum zeminde \u015fekilde i\u015flemler yap\u0131l\u0131yor.<\/p>\n\n\n\n![\"13.](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/13.-soru-a-.jpg\")
13. soru a <\/figcaption><\/figure>\n<\/div>\n\n\n![\"13.](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/13.-soru-b-.jpg\")
13. soru b <\/figcaption><\/figure>\n\n\n\n![\"13.](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/13.-soru-c.jpg\")
13. soru c<\/figcaption><\/figure>\n\n\n\n![\"13.](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/13.-soru-d.jpg\")
13. soru d<\/figcaption><\/figure>\n\n\n\nHer bir durumda cismin kum zeminde b\u0131rakt\u0131\u011f\u0131 izin derinli\u011fi \u00f6l\u00e7\u00fclerek cismin zemine temas eden y\u00fczeyi ve zemin aras\u0131nda olu\u015fan bas\u0131n\u00e7 belirlenebilmektedir. Kum zeminde olu\u015fan izlerin derinlikleri I. ve IV. durumlarda birbirine e\u015fit olup ayn\u0131 zamanda di\u011ferlerinden azd\u0131r. III. durumda ise izin derinli\u011fi en fazlad\u0131r.<\/p>\n\n\n\n
Buna g\u00f6re cisim ve zemin aras\u0131nda olu\u015fan bas\u0131nc\u0131n, cismin yere uygulad\u0131\u011f\u0131 kuvvete ba\u011fl\u0131 oldu\u011fu sonucuna numaralar\u0131 verilen durumlar\u0131n hangilerinde \u00f6l\u00e7\u00fclen derinlikler kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda ula\u015f\u0131labilir?<\/strong><\/p>\n\n\n\n\n- I ve II B) I ve III C) II ve III D) III ve IV<\/li>\n<\/ol>\n\n\n\n
\u00c7\u00f6z\u00fcm yakla\u015f\u0131m\u0131: <\/strong>Kat\u0131 bas\u0131nc\u0131n\u0131n ba\u011fl\u0131 oldu\u011fu de\u011fi\u015fkenleri \u00f6l\u00e7meye y\u00f6nelik sorumuzda, bas\u0131nc\u0131n yere uygulanan kuvvete ba\u011fl\u0131 oldu\u011funu \u00f6l\u00e7memizi sa\u011flayan d\u00fczenekleri bulmam\u0131z ama\u00e7lanm\u0131\u015ft\u0131r. Ba\u011f\u0131ms\u0131z de\u011fi\u015fkenin yere uygulanan kuvvet ya da a\u011f\u0131rl\u0131k oldu\u011fu iki d\u00fczenek; sorumuzda bulunan 2 ve 3 numaral\u0131 d\u00fczeneklerdir. Bu d\u00fczeneklerde ayn\u0131 zamanda kontrol edilen de\u011fi\u015fkenimizin de y\u00fczey alan\u0131 olmas\u0131 gerekmektedir. 2 ve 3 numaral\u0131 d\u00fczeneklerde y\u00fczey alan\u0131n\u0131n da e\u015fit olmas\u0131, yere uygulanan kuvvetin bas\u0131nca olan etkisini \u00f6l\u00e7memizi sa\u011flam\u0131\u015ft\u0131r. Deney d\u00fczene\u011fimizde de kulland\u0131\u011f\u0131m\u0131z a\u011f\u0131rl\u0131klar\u0131n yere batma miktarlar\u0131ndan bu durumu g\u00f6zetleme \u015fans\u0131m\u0131z olmaktad\u0131r.<\/p>\n\n\n\nCevap: <\/strong>C \u015f\u0131kk\u0131d\u0131r. Cevaplayan ve prototipi haz\u0131rlayan: <\/strong>Bornova S\u0131nav Koleji<\/a>, Fen bilimleri z\u00fcmresi<\/p>\n\n\n\nLGS 2021, Fen Bilimleri, 17. soru<\/h3>\n\n\n\n
Soru: <\/strong>Bir deneyde, \u015fekildeki cam kapta bulunan renksiz \u00e7\u00f6zeltiye damlal\u0131kla bir renksiz \u00e7\u00f6zelti damlat\u0131l\u0131yor ve kab\u0131n dibinde sar\u0131 renkli kat\u0131 madde olu\u015fuyor.<\/p>\n\n\n\n![\"\"](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/resim-1.png\")
<\/figure>\n<\/div>\n\n\nBu deney ve sonucuna g\u00f6re a\u015fa\u011f\u0131daki \u00e7\u0131kar\u0131mlardan hangisi do\u011frudur?<\/strong><\/p>\n\n\n\nA- Damlal\u0131ktaki \u00e7\u00f6zelti ile cam kaptaki \u00e7\u00f6zelti aras\u0131nda kimyasal tepkime ger\u00e7ekle\u015fmi\u015ftir.<\/p>\n\n\n\n
B- Damlal\u0131ktaki \u00e7\u00f6zelti ile sar\u0131 renkli maddenin t\u00fcm kimyasal \u00f6zellikleri ayn\u0131d\u0131r.<\/p>\n\n\n\n
C- Damlal\u0131ktaki \u00e7\u00f6zelti ile cam kaptaki \u00e7\u00f6zelti ayn\u0131 maddedir.<\/p>\n\n\n\n
D- Sar\u0131 renkli madde, cam kaptaki \u00e7\u00f6zeltinin kat\u0131 halidir.<\/p>\n\n\n
\n![\"17.](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/17.-soru-a-878x1024.jpg\")
17. soru a<\/figcaption><\/figure>\n<\/div>\n\n\n![\"17.](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/17.-soru-b-972x1024.jpg\")
17. soru b<\/figcaption><\/figure>\n<\/div>\n\n\n\u00c7\u00f6z\u00fcm yakla\u015f\u0131m\u0131: <\/strong>Kimyasal tepkimelerde \u00fcr\u00fcnlerimizin \u00f6zellikleri, tepkimeye giren maddelerin \u00f6zelliklerinden farkl\u0131d\u0131r. Ayr\u0131ca kimyasal tepkimelerin sonucunda yeni maddeler a\u00e7\u0131\u011fa \u00e7\u0131kar. Burada da renksiz olan suland\u0131r\u0131lm\u0131\u015f iki \u00e7\u00f6zeltimiz, meydana gelen kimyasal tepkime sonucunda sar\u0131 renkli bir \u00e7\u00f6kelti olu\u015fmas\u0131na sebebiyet vermi\u015ftir. Ortaya \u00e7\u0131kan sar\u0131 renkli yeni madde, tepkimenin bir kimyasal tepkime oldu\u011funu kan\u0131tlam\u0131\u015ft\u0131r.<\/p>\n\n\n\nCevap: <\/strong>B \u015f\u0131kk\u0131d\u0131r.Cevaplayan ve prototipi haz\u0131rlayan: <\/strong>Bornova S\u0131nav Koleji<\/a>, Fen bilimleri z\u00fcmresi<\/p>\n\n\n\nLGS 2020, Fen Bilimleri, 11. soru<\/h3>\n\n\n\n
Soru: <\/strong>Bir odada bulunan \u015fekildeki ranzan\u0131n ayaklar\u0131, \u00fczerinde bulundu\u011fu hal\u0131 zeminde derin bir iz b\u0131rakm\u0131\u015ft\u0131r.<\/p>\n\n\n\n![\"\"](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/resim-2.png\")
<\/figure>\n<\/div>\n\n\nBuna g\u00f6re a\u015fa\u011f\u0131da verilenlerden hangisi yap\u0131l\u0131rsa ranza ayaklar\u0131n\u0131n hal\u0131 zeminde b\u0131rakt\u0131\u011f\u0131 izin derinli\u011fi artar?<\/strong><\/p>\n\n\n\n![\"2020](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/2020-yili-11.-soru-768x1024.jpg\")
2020 yili 11. soru<\/figcaption><\/figure>\n<\/div>\n\n\nA) Ranzan\u0131n birinci kat\u0131ndaki ayaklar\u0131n\u0131n alt\u0131na geni\u015fli\u011fi, ayaklar\u0131n geni\u015fli\u011finden daha fazla olan bir tahta par\u00e7as\u0131 koyulursa<\/p>\n\n\n\n
B) Ranzan\u0131n ikinci kat\u0131nda bulunan yatak daha a\u011f\u0131r olan\u0131 ile de\u011fi\u015ftirilirse<\/p>\n\n\n\n
C) Ranzan\u0131n birinci kat\u0131nda bulunan yatak bulundu\u011fu yerden \u00e7\u0131kar\u0131l\u0131rsa<\/p>\n\n\n\n
D) Ranzan\u0131n ikinci kat\u0131 al\u0131n\u0131p ba\u015fka bir yere koyulursa<\/p>\n\n\n\n
\u00c7\u00f6z\u00fcm yakla\u015f\u0131m\u0131: <\/strong>Kat\u0131 maddeler a\u011f\u0131rl\u0131klar\u0131 sebebiyle temas ettikleri taban y\u00fczeylerine bas\u0131n\u00e7 uygularlar.<\/p>\n\n\n\nOlu\u015fan bas\u0131n\u00e7 kat\u0131 cismin a\u011f\u0131rl\u0131\u011f\u0131 ile do\u011fru, temas eden taban y\u00fczey alan\u0131yla ters orant\u0131l\u0131d\u0131r.<\/p>\n\n\n\n
\n- Kat\u0131 cismin y\u00fczey alan\u0131 sabit iken a\u011f\u0131rl\u0131\u011f\u0131 artar ise y\u00fczeyde olu\u015fan bas\u0131n\u00e7 artar.<\/li>\n\n\n\n
- Kat\u0131 cismin a\u011f\u0131rl\u0131\u011f\u0131 sabit iken temas eden taban y\u00fczey alan\u0131 azald\u0131k\u00e7a olu\u015fan bas\u0131n\u00e7 artar.<\/li>\n\n\n\n
- Kat\u0131 cismin a\u011f\u0131rl\u0131\u011f\u0131 ve temas eden taban y\u00fczey alan\u0131 ayn\u0131 oranda artar ya da azal\u0131rsa olu\u015fan bas\u0131n\u00e7 de\u011fi\u015fmez.<\/li>\n<\/ul>\n\n\n\n
Prototip g\u00f6rselde g\u00f6sterili\u011fi gibi kurulur ve raflar\u0131na 20 g k\u00fctleye sahip iki adet a\u011f\u0131rl\u0131k koyulur. \u0130\u00e7i kum dolu olan ve y\u00fczeyi d\u00fczle\u015ftirilmi\u015f kap \u00fczerine koyulup kum y\u00fczeyde olu\u015fturdu\u011fu izin derinli\u011fi g\u00f6zlemlenir. Sorudaki se\u00e7enekler do\u011frultusunda prototip \u00fczerinde de\u011fi\u015fikler yap\u0131larak deney tekrarlan\u0131r ve olu\u015fan izin derinli\u011fi g\u00f6zlemlenir. (Her a\u015famada kum y\u00fczey d\u00fczle\u015ftirilmelidir.)<\/p>\n\n\n\n
A) Ranzan\u0131n birinci kat\u0131ndaki ayaklar\u0131n\u0131n alt\u0131na geni\u015fli\u011fi, ayaklar\u0131n geni\u015fli\u011finden daha fazla olan bir tahta par\u00e7as\u0131 koyulursa<\/p>\n\n\n\n
\n- Prototipin alt\u0131na g\u00f6rseldeki y\u00fczey yerle\u015ftirilir. Temas eden y\u00fczey alan\u0131 artt\u0131\u011f\u0131 i\u00e7in ilk duruma g\u00f6re kum zemin \u00fczerinde olu\u015fan izin derinli\u011finin daha az oldu\u011fu g\u00f6zlemlenir. A se\u00e7ene\u011finde belirtilen durumda bas\u0131nc\u0131n azalaca\u011f\u0131 vurgulan\u0131r.<\/strong><\/li>\n<\/ul>\n\n\n\n
B) Ranzan\u0131n ikinci kat\u0131nda bulunan yatak daha a\u011f\u0131r olan\u0131 ile de\u011fi\u015ftirilirse<\/p>\n\n\n\n
\n- Prototipin 2. kat\u0131nda bulunan rafa 1 adet daha a\u011f\u0131rl\u0131k eklenir. A\u011f\u0131rl\u0131k artt\u0131\u011f\u0131 i\u00e7in ilk duruma g\u00f6re kum zemin \u00fczerinde olu\u015fan izin derinli\u011finin artt\u0131\u011f\u0131 g\u00f6zlemlenir. B se\u00e7ene\u011finde belirtilen durumda bas\u0131nc\u0131n artaca\u011f\u0131 vurgulan\u0131r.<\/strong><\/li>\n<\/ul>\n\n\n\n
C) Ranzan\u0131n birinci kat\u0131nda bulunan yatak bulundu\u011fu yerden \u00e7\u0131kar\u0131l\u0131rsa<\/p>\n\n\n\n
\n- Prototipin 1.kat\u0131ndaki a\u011f\u0131rl\u0131klardan biri \u00e7\u0131kart\u0131l\u0131r. A\u011f\u0131rl\u0131k azald\u0131\u011f\u0131 i\u00e7in ilk duruma g\u00f6re y\u00fczeyde olu\u015fan izin derinli\u011finin azald\u0131\u011f\u0131 g\u00f6zlemlenir. C se\u00e7ene\u011finde belirtilen durumda bas\u0131nc\u0131n azalaca\u011f\u0131 vurgulan\u0131r.<\/strong><\/li>\n<\/ul>\n\n\n\n
D) Ranzan\u0131n ikinci kat\u0131 al\u0131n\u0131p ba\u015fka bir yere koyulursa<\/p>\n\n\n\n
\n- Prototipin 2. kat\u0131ndaki raf \u00e7\u0131kart\u0131l\u0131r. A\u011f\u0131rl\u0131k azald\u0131\u011f\u0131 i\u00e7in ilk duruma g\u00f6re y\u00fczeyde olu\u015fan izin derinli\u011finin azald\u0131\u011f\u0131 g\u00f6zlemlenir. D se\u00e7ene\u011finin belirtilen durumda bas\u0131nc\u0131n azalaca\u011f\u0131 vurgulan\u0131r.<\/strong><\/li>\n<\/ul>\n\n\n\n
Cevap: <\/strong>B \u015f\u0131kk\u0131d\u0131r.Cevaplayan ve prototipi haz\u0131rlayan: <\/strong>Kar\u015f\u0131yaka S\u0131nav Koleji<\/a>, Fen bilimleri z\u00fcmresi
<\/p>\n\n\n\nLGS 2020, Fen Bilimleri, 14. soru<\/h3>\n\n\n\n
Soru: <\/strong>S\u0131v\u0131 bas\u0131nc\u0131n\u0131 etkileyen de\u011fi\u015fkenler ile ilgili bir deneyde bir \u00f6\u011frenci esnek ve su ge\u00e7irmez bir maddeyle bir huninin geni\u015f y\u00fczeyini tamamen kapat\u0131yor. Daha sonra lastik bir hortumun bir ucunu huniye, di\u011fer ucunu da i\u00e7inde bir miktar su olan U borusuna \u015fekildeki gibi ge\u00e7iriyor. Lastik hortumun ucundaki huniyi e\u015fit hacimde c\u0131va ve etil alkol bulunan \u00f6zde\u015f kaplar\u0131n taban\u0131na de\u011fecek \u015fekilde ayr\u0131 ayr\u0131 bat\u0131r\u0131yor.<\/p>\n\n\n\n![\"\"](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/resim-3.png\")
<\/figure>\n<\/div>\n\n\n\u00c7\u00f6z\u00fcm yakla\u015f\u0131m\u0131: <\/strong> S\u0131v\u0131lar bulundu\u011fu kab\u0131n her noktas\u0131na bas\u0131n\u00e7 uygularlar. S\u0131v\u0131lar\u0131n uygulad\u0131\u011f\u0131 bas\u0131n\u00e7 s\u0131v\u0131n\u0131n derinli\u011fi ve yo\u011funlu\u011funa ba\u011fl\u0131d\u0131r ve do\u011fru orant\u0131l\u0131d\u0131r.<\/p>\n\n\n\n\n- Ay\u0131n\u0131 yo\u011funluktaki s\u0131v\u0131lar\u0131n bulundu\u011fu kaplardan daha derindeki noktada daha b\u00fcy\u00fck s\u0131v\u0131 bas\u0131nc\u0131 olu\u015fur.<\/li>\n\n\n\n
- Ayn\u0131 derinlikteki noktalarda bas\u0131n\u00e7 \u00f6l\u00e7\u00fcm yap\u0131lan s\u0131v\u0131lardan yo\u011funlu\u011fu b\u00fcy\u00fck olan s\u0131v\u0131n\u0131n bas\u0131nc\u0131 daha b\u00fcy\u00fck olur.<\/li>\n<\/ul>\n\n\n\n
![\"14.](\"https:\/\/sinavizmir.com\/tr\/wp-content\/uploads\/2023\/06\/14.-soru-a-768x1024.jpg\")
14. soru a<\/figcaption><\/figure>\n<\/div>\n\n\nPrototipteU borusu, \u015feffaf hortum, 2 adet kova, huni, balon, etil alkol ve tuzlu su kullan\u0131larak g\u00f6rseldeki d\u00fczenek kurulur. (Civan\u0131n zararl\u0131 bir madde olmas\u0131 sebebiyle c\u0131va yerine tuzlu su kullan\u0131lm\u0131\u015ft\u0131r.<\/strong><\/em>) Soru k\u00f6k\u00fcnde belirtilen \u015fartlar olu\u015fturularak deney ger\u00e7ekle\u015ftirilir ve U borusu i\u00e7inde bulunan s\u0131v\u0131n\u0131n kollardaki g\u00f6r\u00fcn\u00fcm\u00fc g\u00f6zlemlenir. <\/p>\n\n\n\nSoruda c\u0131va olarak belirtilen denemeler tuzlu suda ger\u00e7ekle\u015ftirilir. Yo\u011funlu\u011fu b\u00fcy\u00fck olan s\u0131v\u0131n\u0131n taban\u0131nda daha fazla bas\u0131n\u00e7 olu\u015faca\u011f\u0131 i\u00e7in tuzlu su bulunan kab\u0131n ba\u011fl\u0131 oldu\u011fu U borusunda kollardaki s\u0131v\u0131lar aras\u0131ndaki seviye fark\u0131 daha fazla olaca\u011f\u0131ndan C se\u00e7ene\u011finde belirtilen g\u00f6rsel g\u00f6zlemlenir.<\/p>\n\n\n\n
Cevap: <\/strong>C \u015f\u0131kk\u0131d\u0131r.<\/p>\n\n\n\nCevaplayan ve prototipi haz\u0131rlayan: <\/strong>Kar\u015f\u0131yaka S\u0131nav Koleji<\/a>, Fen bilimleri z\u00fcmresi<\/p>\n","protected":false},"excerpt":{"rendered":"LGS\u2019de \u00e7\u0131km\u0131\u015f fen bilimleri sorular\u0131n\u0131n \u00e7\u00f6z\u00fcmleri LGS\u2019de son y\u0131llarda fen bilimleri sorular\u0131n\u0131 deneyler yaparak ve prototipler olu\u015fturarak yan\u0131tlad\u0131k. \u00d6\u011frencilerimizin bizzat …<\/a><\/p>\n","protected":false},"author":1,"featured_media":12393,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[321],"class_list":["post-12379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-makaleler","tag-fen-bilimleri-sorularinin-cozumleri","odd"],"_links":{"self":[{"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/posts\/12379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/comments?post=12379"}],"version-history":[{"count":1,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/posts\/12379\/revisions"}],"predecessor-version":[{"id":12394,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/posts\/12379\/revisions\/12394"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/media\/12393"}],"wp:attachment":[{"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/media?parent=12379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/categories?post=12379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/tags?post=12379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/figure>\n<\/div>\n\n\nSoru: <\/strong>Kat\u0131 bir cismin zemine temas eden y\u00fczeyi ve zemin aras\u0131nda olu\u015fan bas\u0131nc\u0131 etkileyen de\u011fi\u015fkenleri belirlemek i\u00e7in \u00f6zde\u015f cisimler kullan\u0131larak kum zeminde \u015fekilde i\u015flemler yap\u0131l\u0131yor.<\/p>\n\n\n Her bir durumda cismin kum zeminde b\u0131rakt\u0131\u011f\u0131 izin derinli\u011fi \u00f6l\u00e7\u00fclerek cismin zemine temas eden y\u00fczeyi ve zemin aras\u0131nda olu\u015fan bas\u0131n\u00e7 belirlenebilmektedir. Kum zeminde olu\u015fan izlerin derinlikleri I. ve IV. durumlarda birbirine e\u015fit olup ayn\u0131 zamanda di\u011ferlerinden azd\u0131r. III. durumda ise izin derinli\u011fi en fazlad\u0131r.<\/p>\n\n\n\n Buna g\u00f6re cisim ve zemin aras\u0131nda olu\u015fan bas\u0131nc\u0131n, cismin yere uygulad\u0131\u011f\u0131 kuvvete ba\u011fl\u0131 oldu\u011fu sonucuna numaralar\u0131 verilen durumlar\u0131n hangilerinde \u00f6l\u00e7\u00fclen derinlikler kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda ula\u015f\u0131labilir?<\/strong><\/p>\n\n\n\n \u00c7\u00f6z\u00fcm yakla\u015f\u0131m\u0131: <\/strong>Kat\u0131 bas\u0131nc\u0131n\u0131n ba\u011fl\u0131 oldu\u011fu de\u011fi\u015fkenleri \u00f6l\u00e7meye y\u00f6nelik sorumuzda, bas\u0131nc\u0131n yere uygulanan kuvvete ba\u011fl\u0131 oldu\u011funu \u00f6l\u00e7memizi sa\u011flayan d\u00fczenekleri bulmam\u0131z ama\u00e7lanm\u0131\u015ft\u0131r. Ba\u011f\u0131ms\u0131z de\u011fi\u015fkenin yere uygulanan kuvvet ya da a\u011f\u0131rl\u0131k oldu\u011fu iki d\u00fczenek; sorumuzda bulunan 2 ve 3 numaral\u0131 d\u00fczeneklerdir. Bu d\u00fczeneklerde ayn\u0131 zamanda kontrol edilen de\u011fi\u015fkenimizin de y\u00fczey alan\u0131 olmas\u0131 gerekmektedir. 2 ve 3 numaral\u0131 d\u00fczeneklerde y\u00fczey alan\u0131n\u0131n da e\u015fit olmas\u0131, yere uygulanan kuvvetin bas\u0131nca olan etkisini \u00f6l\u00e7memizi sa\u011flam\u0131\u015ft\u0131r. Deney d\u00fczene\u011fimizde de kulland\u0131\u011f\u0131m\u0131z a\u011f\u0131rl\u0131klar\u0131n yere batma miktarlar\u0131ndan bu durumu g\u00f6zetleme \u015fans\u0131m\u0131z olmaktad\u0131r.<\/p>\n\n\n\n Cevap: <\/strong>C \u015f\u0131kk\u0131d\u0131r. Cevaplayan ve prototipi haz\u0131rlayan: <\/strong>Bornova S\u0131nav Koleji<\/a>, Fen bilimleri z\u00fcmresi<\/p>\n\n\n\n Soru: <\/strong>Bir deneyde, \u015fekildeki cam kapta bulunan renksiz \u00e7\u00f6zeltiye damlal\u0131kla bir renksiz \u00e7\u00f6zelti damlat\u0131l\u0131yor ve kab\u0131n dibinde sar\u0131 renkli kat\u0131 madde olu\u015fuyor.<\/p>\n\n\n Bu deney ve sonucuna g\u00f6re a\u015fa\u011f\u0131daki \u00e7\u0131kar\u0131mlardan hangisi do\u011frudur?<\/strong><\/p>\n\n\n\n A- Damlal\u0131ktaki \u00e7\u00f6zelti ile cam kaptaki \u00e7\u00f6zelti aras\u0131nda kimyasal tepkime ger\u00e7ekle\u015fmi\u015ftir.<\/p>\n\n\n\n B- Damlal\u0131ktaki \u00e7\u00f6zelti ile sar\u0131 renkli maddenin t\u00fcm kimyasal \u00f6zellikleri ayn\u0131d\u0131r.<\/p>\n\n\n\n C- Damlal\u0131ktaki \u00e7\u00f6zelti ile cam kaptaki \u00e7\u00f6zelti ayn\u0131 maddedir.<\/p>\n\n\n\n D- Sar\u0131 renkli madde, cam kaptaki \u00e7\u00f6zeltinin kat\u0131 halidir.<\/p>\n\n\n \u00c7\u00f6z\u00fcm yakla\u015f\u0131m\u0131: <\/strong>Kimyasal tepkimelerde \u00fcr\u00fcnlerimizin \u00f6zellikleri, tepkimeye giren maddelerin \u00f6zelliklerinden farkl\u0131d\u0131r. Ayr\u0131ca kimyasal tepkimelerin sonucunda yeni maddeler a\u00e7\u0131\u011fa \u00e7\u0131kar. Burada da renksiz olan suland\u0131r\u0131lm\u0131\u015f iki \u00e7\u00f6zeltimiz, meydana gelen kimyasal tepkime sonucunda sar\u0131 renkli bir \u00e7\u00f6kelti olu\u015fmas\u0131na sebebiyet vermi\u015ftir. Ortaya \u00e7\u0131kan sar\u0131 renkli yeni madde, tepkimenin bir kimyasal tepkime oldu\u011funu kan\u0131tlam\u0131\u015ft\u0131r.<\/p>\n\n\n\n Cevap: <\/strong>B \u015f\u0131kk\u0131d\u0131r.Cevaplayan ve prototipi haz\u0131rlayan: <\/strong>Bornova S\u0131nav Koleji<\/a>, Fen bilimleri z\u00fcmresi<\/p>\n\n\n\n Soru: <\/strong>Bir odada bulunan \u015fekildeki ranzan\u0131n ayaklar\u0131, \u00fczerinde bulundu\u011fu hal\u0131 zeminde derin bir iz b\u0131rakm\u0131\u015ft\u0131r.<\/p>\n\n\n Buna g\u00f6re a\u015fa\u011f\u0131da verilenlerden hangisi yap\u0131l\u0131rsa ranza ayaklar\u0131n\u0131n hal\u0131 zeminde b\u0131rakt\u0131\u011f\u0131 izin derinli\u011fi artar?<\/strong><\/p>\n\n\n A) Ranzan\u0131n birinci kat\u0131ndaki ayaklar\u0131n\u0131n alt\u0131na geni\u015fli\u011fi, ayaklar\u0131n geni\u015fli\u011finden daha fazla olan bir tahta par\u00e7as\u0131 koyulursa<\/p>\n\n\n\n B) Ranzan\u0131n ikinci kat\u0131nda bulunan yatak daha a\u011f\u0131r olan\u0131 ile de\u011fi\u015ftirilirse<\/p>\n\n\n\n C) Ranzan\u0131n birinci kat\u0131nda bulunan yatak bulundu\u011fu yerden \u00e7\u0131kar\u0131l\u0131rsa<\/p>\n\n\n\n D) Ranzan\u0131n ikinci kat\u0131 al\u0131n\u0131p ba\u015fka bir yere koyulursa<\/p>\n\n\n\n \u00c7\u00f6z\u00fcm yakla\u015f\u0131m\u0131: <\/strong>Kat\u0131 maddeler a\u011f\u0131rl\u0131klar\u0131 sebebiyle temas ettikleri taban y\u00fczeylerine bas\u0131n\u00e7 uygularlar.<\/p>\n\n\n\n Olu\u015fan bas\u0131n\u00e7 kat\u0131 cismin a\u011f\u0131rl\u0131\u011f\u0131 ile do\u011fru, temas eden taban y\u00fczey alan\u0131yla ters orant\u0131l\u0131d\u0131r.<\/p>\n\n\n\n Prototip g\u00f6rselde g\u00f6sterili\u011fi gibi kurulur ve raflar\u0131na 20 g k\u00fctleye sahip iki adet a\u011f\u0131rl\u0131k koyulur. \u0130\u00e7i kum dolu olan ve y\u00fczeyi d\u00fczle\u015ftirilmi\u015f kap \u00fczerine koyulup kum y\u00fczeyde olu\u015fturdu\u011fu izin derinli\u011fi g\u00f6zlemlenir. Sorudaki se\u00e7enekler do\u011frultusunda prototip \u00fczerinde de\u011fi\u015fikler yap\u0131larak deney tekrarlan\u0131r ve olu\u015fan izin derinli\u011fi g\u00f6zlemlenir. (Her a\u015famada kum y\u00fczey d\u00fczle\u015ftirilmelidir.)<\/p>\n\n\n\n A) Ranzan\u0131n birinci kat\u0131ndaki ayaklar\u0131n\u0131n alt\u0131na geni\u015fli\u011fi, ayaklar\u0131n geni\u015fli\u011finden daha fazla olan bir tahta par\u00e7as\u0131 koyulursa<\/p>\n\n\n\n B) Ranzan\u0131n ikinci kat\u0131nda bulunan yatak daha a\u011f\u0131r olan\u0131 ile de\u011fi\u015ftirilirse<\/p>\n\n\n\n C) Ranzan\u0131n birinci kat\u0131nda bulunan yatak bulundu\u011fu yerden \u00e7\u0131kar\u0131l\u0131rsa<\/p>\n\n\n\n D) Ranzan\u0131n ikinci kat\u0131 al\u0131n\u0131p ba\u015fka bir yere koyulursa<\/p>\n\n\n\n Cevap: <\/strong>B \u015f\u0131kk\u0131d\u0131r.Cevaplayan ve prototipi haz\u0131rlayan: <\/strong>Kar\u015f\u0131yaka S\u0131nav Koleji<\/a>, Fen bilimleri z\u00fcmresi Soru: <\/strong>S\u0131v\u0131 bas\u0131nc\u0131n\u0131 etkileyen de\u011fi\u015fkenler ile ilgili bir deneyde bir \u00f6\u011frenci esnek ve su ge\u00e7irmez bir maddeyle bir huninin geni\u015f y\u00fczeyini tamamen kapat\u0131yor. Daha sonra lastik bir hortumun bir ucunu huniye, di\u011fer ucunu da i\u00e7inde bir miktar su olan U borusuna \u015fekildeki gibi ge\u00e7iriyor. Lastik hortumun ucundaki huniyi e\u015fit hacimde c\u0131va ve etil alkol bulunan \u00f6zde\u015f kaplar\u0131n taban\u0131na de\u011fecek \u015fekilde ayr\u0131 ayr\u0131 bat\u0131r\u0131yor.<\/p>\n\n\n \u00c7\u00f6z\u00fcm yakla\u015f\u0131m\u0131: <\/strong> S\u0131v\u0131lar bulundu\u011fu kab\u0131n her noktas\u0131na bas\u0131n\u00e7 uygularlar. S\u0131v\u0131lar\u0131n uygulad\u0131\u011f\u0131 bas\u0131n\u00e7 s\u0131v\u0131n\u0131n derinli\u011fi ve yo\u011funlu\u011funa ba\u011fl\u0131d\u0131r ve do\u011fru orant\u0131l\u0131d\u0131r.<\/p>\n\n\n\n PrototipteU borusu, \u015feffaf hortum, 2 adet kova, huni, balon, etil alkol ve tuzlu su kullan\u0131larak g\u00f6rseldeki d\u00fczenek kurulur. (Civan\u0131n zararl\u0131 bir madde olmas\u0131 sebebiyle c\u0131va yerine tuzlu su kullan\u0131lm\u0131\u015ft\u0131r.<\/strong><\/em>) Soru k\u00f6k\u00fcnde belirtilen \u015fartlar olu\u015fturularak deney ger\u00e7ekle\u015ftirilir ve U borusu i\u00e7inde bulunan s\u0131v\u0131n\u0131n kollardaki g\u00f6r\u00fcn\u00fcm\u00fc g\u00f6zlemlenir. <\/p>\n\n\n\n Soruda c\u0131va olarak belirtilen denemeler tuzlu suda ger\u00e7ekle\u015ftirilir. Yo\u011funlu\u011fu b\u00fcy\u00fck olan s\u0131v\u0131n\u0131n taban\u0131nda daha fazla bas\u0131n\u00e7 olu\u015faca\u011f\u0131 i\u00e7in tuzlu su bulunan kab\u0131n ba\u011fl\u0131 oldu\u011fu U borusunda kollardaki s\u0131v\u0131lar aras\u0131ndaki seviye fark\u0131 daha fazla olaca\u011f\u0131ndan C se\u00e7ene\u011finde belirtilen g\u00f6rsel g\u00f6zlemlenir.<\/p>\n\n\n\n Cevap: <\/strong>C \u015f\u0131kk\u0131d\u0131r.<\/p>\n\n\n\n Cevaplayan ve prototipi haz\u0131rlayan: <\/strong>Kar\u015f\u0131yaka S\u0131nav Koleji<\/a>, Fen bilimleri z\u00fcmresi<\/p>\n","protected":false},"excerpt":{"rendered":" LGS\u2019de \u00e7\u0131km\u0131\u015f fen bilimleri sorular\u0131n\u0131n \u00e7\u00f6z\u00fcmleri LGS\u2019de son y\u0131llarda fen bilimleri sorular\u0131n\u0131 deneyler yaparak ve prototipler olu\u015fturarak yan\u0131tlad\u0131k. \u00d6\u011frencilerimizin bizzat …<\/a><\/p>\n","protected":false},"author":1,"featured_media":12393,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[321],"class_list":["post-12379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-makaleler","tag-fen-bilimleri-sorularinin-cozumleri","odd"],"_links":{"self":[{"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/posts\/12379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/comments?post=12379"}],"version-history":[{"count":1,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/posts\/12379\/revisions"}],"predecessor-version":[{"id":12394,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/posts\/12379\/revisions\/12394"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/media\/12393"}],"wp:attachment":[{"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/media?parent=12379"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/categories?post=12379"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinavizmir.com\/tr\/wp-json\/wp\/v2\/tags?post=12379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
LGS 2021, Fen Bilimleri, 17. soru<\/h3>\n\n\n\n
<\/figure>\n<\/div>\n\n\nLGS 2020, Fen Bilimleri, 11. soru<\/h3>\n\n\n\n
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<\/p>\n\n\n\nLGS 2020, Fen Bilimleri, 14. soru<\/h3>\n\n\n\n
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