Question

AL NOOR INTERNATIONAL SCHOOL Grade 6 Science Revision- worksheet 2 Water/ Air around us Fill In the blanks 1. The process of changing water into vapor is called _____ 2. When ice water is poured in a tumbler few water droplets appeared at the outer surface of the tumbler due to _________ 3. Rise in water level of rivers leads to ______ Give reason 4. Mountaineers carry oxygen cylinders with them because __________ 5. Paheli poured some water on the soil. She observed some bubbles coming out from the soil. 6. Factories are fitted with tall chimneys. 7. See the image below. What is shown in the experiment? (a) Water contains dissolved air. (b) Air is present in empty bottle. (c) There is no air in the bottle but water contains dissolved air. (d) None of the above​

Answer 1

evaporation

condensation

floods

there is less oxygen in the hills

that is air coming in the form of bubbles

to release waste through smoke in the air

there is no image

Explanation:

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Answer 2

Answer:

A1= evaporation. A2= thermal energy. A3 flood A4. altitude increases A5= air on pouring water is lump on soil. A6. Long chimneys take the harmful smoke and gases produced in the factories high up in the air so as to reduce its harmful effects on the ground. A7=.