SOALAN AKTIVITI STEM 3.

1. Apakah bahan yang boleh digunakan dalam proses penapisan bagi menghilangkan bau? Nyatakan fungsi penggunaan bahan tersebut dalam proses penapisan air.

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2. Nyatakan proses fizikal yang terlibat dalam pengasingan garam dengan pasir..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

3. Selain dari pasir dan garam, komponen-komponen di dalam campuran boleh dipisahkan secara fizikal dengan menggunakan proses tertentu. Nyatakan proses-proses tersebut.

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4. Sumber air amat penting bagi kelangsungan hidup manusia. Nyatakan cara dalam memelihara dan memulihara sumber air. ....................................................................................................................................................................................................................................................................................................................................

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5. Apakah faktor-faktor yang anda ambil kira semasa melakukan proses penapisan. Terangkan.

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