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<br /> <br />(J0f?(?C3CSrr~{!) t!3ff~ <br /> <br />Measure 100 ml of waler and pour it inloa large flat pan. <br />Measure another 100 ml into a tall narrow jar. Place both <br />-::ontainers side by side where the air movement and <br />emperature will be the same. Meaure the amount 01 <br />later lell in each container the nexl day. What factor(s) <br />tfeeled the difference? <br /> <br />The frat pijn of warer will evaporate faster due to <br />Che greater amount of warer surface exposed to <br />fa<:tors which speed evaporation - wind and heat. <br /> <br />II <br /> <br />OF SOIL <br /> <br />,~ <br /> <br />., .:.:": ~.:.:; <br /> <br /> <br />LAY <br /> <br />SAND <br /> <br /> <br />- <br /> <br /> <br />Fasten someclolh over a wooden frame <br />aboul30cm sQuare and 3 em deep. Wet <br />the cloth. Next make IwO wet spots on a <br />cool blackboard With a sponge Cover <br />one With the frame and leave the other <br />open How did the moist aIr under the <br />frame affect the rate of evaporation? <br /> <br />The air under the frame was already filled with <br />warer vapor molecules and hence could not hold <br />more as readilv as the open air. <br /> <br />DAY 1 <br />DAY2 <br />DAY3 <br />DAY4- 0277 <br />DAYS <br />DAY6 <br />DAY7 <br /> <br />-15- <br />