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<br /> <br />RAIN GAUGE <br /> <br />I :. / :1 <br />000 00 0 <br />000 . at> <br />o ~ ~qoo <br />00000 00 Of;] <br />0000 . 0 <br />o 0 000 <br />0<10 oo'bo <br />'0 DO 00 <br />QotioooOQO <br /> <br /> <br />Like Capt. Hydro. you might wonder how much <br />it is going to rain, To find out, take a one Quart <br />plastic botlle, cut off the top and invert it into <br />the bottom of the bottle. making sure that the <br />diameter 01 the large end of the funnel is the <br />same as the diameter of the rest of the bottle, <br />Attach the top with masking tape, Calibrate the <br />bottle in centimelres 10 measure the rainfall and <br />bury il so that the funnel is a tew centimeters <br />above ground level. A ruler may also be used as <br />a dip slick to measure the dairy precipitation, <br />Record the results on the following graph, <br /> <br />DATE <br /> <br />RAINFALL <br /> <br />(jjjJf)f5[}f:tJ) <br /> <br /> <br />f\JT'YTWE~ <br /> <br />Construct two trays as shown. Putty the <br />cracks to make them water-tight. Pails <br />or glass jars may be used 10 collect the <br />run-off water, <br /> <br />A) Fill one tray with loose soil and the other with firmly packed soil. With both trays slightly tilted. water <br />each with the same amount with a sprinkling can, How did Ihe water ftow with each soil? <br /> <br />Which soil moved away faster? Why? <br /> <br />B) Fill both trays with soil but cover one with sod, <br />erosion and the run-off rate. Note the resulls: <br />PLAIN SOIL <br /> <br />Water equally as before and observe the difference in <br /> <br />SOD <br /> <br />o~ <br />~S6' <br /> <br />C) Fill both trays with soil bul give one more slope than the other. What happened? <br /> <br />'3 <br />