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1 1 I I EROSION BY WATER Science Skills: Observing, Communicating Time Frame: 20 minutes You Will Need: LET'S EXPLORE- . 2 shallow pans . . 1. 2. 6 cups of garden soil 2 bottles of 500 mL water What to Do: Get two shallow pans and fill them with garden soil. Label one pan as A and the other as B. Pour water gradually into the soil on the first pan. What happened to the soil? Describe the movement of the soil. 3. Repeat procedure #2 on the second pan. This time, pour the water rapidly into the soil. What happened? Compare the difference in terms of the movement of the soil from the first one. 4. Record the time and measure the distance of your observations. Questions. 1. In which setup did the soil move faster? Why? 2. In which setup did the soil move farther? Why? 3. Which setup moved more soil? Why? 4. What happened to the color of the water? 5. What can you conclude about erosion in the experiment? (ok lng po kahit d nyo po alm ung 1-4 basta po sa 5 meron ok na po un Kase po kailangan ko na po)
Sagot :
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