Page 1 :
Multiple Choice Questions (MCQs). Tick () the correct options. Page No. 182, , a. (a) 2. (a) 3. (a) 4. (b) 5. (d), SECTION A, , CLASS RESPONSE, , A. Oral questions., , 1. Solid: Ice, Liquid : Water, Gas : Steam, , 2. After condensation, the water droplets floating in the air along with, dust particles form clouds., , 3. A continuous movement of water from the Earth’s surface and water, bodies as water vapour to the atmosphere and from atmosphere back, to the Earth’s surface as rain is called water cycle., , B. Science quiz., , 1. Evaporation and transpiration, , 2. Soluble salts or high salt content of water, , 3. Evaporation, , 4. Water in saucer evaporates first because in saucer the water gets large, surface area for evaporation., , 5. Rooftop and roadside rainwater harvesting, , WORKSHEET, A. Tick (/) the correct options., , 1. (d) 2. (c) 3. (b) 4. (a), , B. Circle the odd ones. Give reasons for your choice., , 1. Sea — It contains salty water, whereas others are sources of, fresh water., , 2. Lightning — It does not affect evaporation, whereas others are, factors affecting evaporation., , 3. Nitrogen — It is not a state of water, whereas others are states of, water., , 4. Ice — It does not form on condensation of water vapour,, whereas others are formed on condensation of, water vapour., , C. Fillin the blanks., , 1. solid, , 2. water, , 3. transpiration, , 4. drought, , D. State whether the following statements are true (T) or false (F)., , 1. «iT 2. F 3. T