1) Не жива природа са: a) b) c) d) 2) Телата са изградени от едно или повече вещества. a) Не е вярно b) Вярно е . 3) Телата може да бъдат: a) Твърди и течни b) Само твърди c) Течни,твърди и газообразни. 4) Всички тела имат обем и маса. a) Вярно b) Не вярно 5) Течните тела имат постоянни: a) Обем, маса и форма b) Обем и маса c) Само маса 6) Телата притежават свойствата на веществата, от които са създадени. a) Вярно b) Не вярно 7) Пясъкът е : a) Твърдо тяло b) Течност c) Газ 8) Стъклото е : a) твърдо тяло b) газ c) течност 9) Парата е: a) Твърдо тяло b) течност c) газ 10) Дървото е : a) твърдо тяло b) течност c) газ 11) Водата е: a) Течност b) твърдо тяло c) газ 12) Въздухът е: a) Твърдо тяло b) течност c) газ 13) Собствен обем имат: a) Само твърдите тела b) твърдите тела и течностите c) твърдите тела,течностите и газовете 14) Въздухът заема място a) да b) не 15) Въздухът няма постоянен обем a) да b) не 16) Въздухът е необходим за дишането и поддържа горенето. a) Вярно b) Не вярно 17) Посочете ДВА източника на замърсяване на въздуха, свързани с дейността на човека. a) заводите b) засаждането на дървета c) превозните средства 18) Какви свойства има чистата вода? a) безцветна прозрачна течност b) няма цвят,вкус и мирис c) няма цвят, но има мирис d) не гори e) поддържа горенето 19) Живата природа не може да съществува без водата. a) вярно b) не вярно 20) Какво наричаме организъм: a) всяко тяло b) всяко живо същество c) само хора
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Човек и природата
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