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Name Date Class Laboratory Activity 1 (continued) Hands-On Activities Data and Observations Table 1 Materials Tested Tap water Rainwater Lemon juice Cola Ammonia Table 2 Description of Cement at Start Color of Litmus Strip Description of Cement After Soaking in Vinegar Table 3 At start After 1st shaking After 2nd shaking After shaking with pea gravel Appearance of Sugar Cubes Questions and Conclusions 1. Which material in Part A was the most acidic? The least acidic? Which material was neutral? How could you tell? Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc. 10 Weathering and Erosion
Name Date Class Laboratory Activity 1 (continued) 2. How acidic did the local rainwater test? How do you think acid rainwater contributes to the weathering of rocks? Based on your results, will your rainwater contribute significantly to chemical weathering in your area? Explain. Hands-On Activities 3. What happened to the cement in Part B? Explain the results. 4. Are the results obtained in Part B an example of chemical weathering or mechanical weathering? Explain. 5. Were the changes you observed in the sugar cubes in Part C due to chemical or mechanical weathering? Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc. 6. Did the second shaking in Part C produce different results? Did the addition of pea gravel produce different results? Why or why not? Strategy Check Can you test the acidity of rainwater? Can you demonstrate chemical weathering using cement and vinegar? Weathering and Erosion 11
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Page 7 and 8: Name Date Class Classifying Soils L
Page 9 and 10: Name Date Class Design Your Own Mea
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Page 22 and 23: Name Date Class Directed Reading fo
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Page 26 and 27: Satisface las necesidades individua
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Page 32 and 33: Name Date Class 2 Enrichment Canada
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Page 36 and 37: Assessment Assessment 34 Weathering
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