Active Science-4:@0.715959:0.974382:0.852434:0.974382:0.852434:0.957785:0.715959:0.957785:0.013067:0.008070:0.007082:0.005752:0.009742:0.009077:0.005087:0.011413:0.008070:0.005752:0.009077:0.011072:0.008070:0.009077:0.006075:0.009993
 :@0.058824:0.061081:0.064729:0.061081:0.064729:0.041466:0.058824:0.041466:0.005905
4.  The process which reduces the soil quality is _____________.:@0.091557:0.061081:0.712116:0.061081:0.712116:0.041466:0.091557:0.041466:0.011917:0.006011:0.005905:0.003908:0.014275:0.013085:0.010727:0.006011:0.012299:0.009538:0.010727:0.009538:0.010727:0.009941:0.009941:0.006011:0.016632:0.013085:0.006797:0.009538:0.013085:0.006011:0.009538:0.010727:0.012299:0.013085:0.009538:0.010727:0.009941:0.006011:0.008369:0.013085:0.010727:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.011917:0.013085:0.011917:0.006797:0.006797:0.008369:0.011513:0.006011:0.006797:0.009941:0.006011:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.058824:0.087141:0.064729:0.087141:0.064729:0.067527:0.058824:0.067527:0.005905
  a. soil erosion :@0.109477:0.087141:0.260940:0.087141:0.260940:0.067527:0.109477:0.067527:0.005905:0.003896:0.011917:0.006011:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.010727:0.009538:0.010727:0.009941:0.006797:0.010727:0.013085:0.005905
 :@0.352938:0.087141:0.358843:0.087141:0.358843:0.067527:0.352938:0.067527:0.005905
b. soil profile :@0.557178:0.087141:0.691363:0.087141:0.691363:0.067527:0.557178:0.067527:0.011917:0.006011:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.012299:0.009538:0.010727:0.007180:0.006797:0.006797:0.010727:0.005905
 :@0.058824:0.113202:0.064729:0.113202:0.064729:0.093587:0.058824:0.093587:0.005905
  c. soil conservation :@0.109477:0.113202:0.312982:0.113202:0.312982:0.093587:0.109477:0.093587:0.005905:0.003896:0.009538:0.006011:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.009538:0.010727:0.013085:0.009941:0.010727:0.009538:0.011513:0.011917:0.008369:0.006797:0.010727:0.013085:0.005905
 :@0.352934:0.113202:0.358839:0.113202:0.358839:0.093587:0.352934:0.093587:0.005905
d. terrace farming:@0.557178:0.113202:0.736778:0.113202:0.736778:0.093587:0.557178:0.093587:0.012299:0.006011:0.006011:0.008369:0.010727:0.009538:0.009538:0.011917:0.009538:0.010727:0.006011:0.007180:0.011917:0.009538:0.018990:0.006797:0.013085:0.011407
 :@0.058824:0.149181:0.064920:0.149181:0.064920:0.127547:0.058824:0.127547:0.006096
B. Fill in the blanks.:@0.088243:0.149181:0.313683:0.149181:0.313683:0.127547:0.088243:0.127547:0.016632:0.006011:0.006776:0.015443:0.007966:0.007583:0.007583:0.006203:0.007966:0.014657:0.006203:0.009155:0.014657:0.012299:0.006203:0.013871:0.007583:0.013085:0.014657:0.014275:0.010727:0.005905
1.:@0.091557:0.173354:0.109379:0.173354:0.109379:0.153739:0.091557:0.153739:0.011917:0.005905
The bottom layer of the soil is called _____________.:@0.119281:0.173354:0.629571:0.173354:0.629571:0.153739:0.119281:0.153739:0.014275:0.013085:0.010727:0.006011:0.011917:0.010727:0.008369:0.008369:0.010727:0.018990:0.006011:0.006797:0.011917:0.011513:0.010727:0.009538:0.006011:0.010727:0.007180:0.006011:0.008369:0.013085:0.010727:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.006797:0.009941:0.006011:0.009538:0.011917:0.006797:0.006797:0.010727:0.012299:0.006008:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.058824:0.199414:0.064729:0.199414:0.064729:0.179799:0.058824:0.179799:0.005905
2.  The process of growing different crops on the same farmland is called _____________.:@0.091557:0.199414:0.926469:0.199414:0.926469:0.179799:0.091557:0.179799:0.011917:0.006011:0.005905:0.003908:0.014275:0.013085:0.010727:0.003441:0.012299:0.009538:0.010727:0.009538:0.010727:0.009941:0.009941:0.003441:0.010727:0.007180:0.003441:0.011513:0.009538:0.010727:0.016632:0.006797:0.013085:0.011513:0.003441:0.012299:0.006797:0.007180:0.007180:0.010727:0.009538:0.010727:0.013085:0.008369:0.003441:0.009538:0.009538:0.010727:0.012299:0.009941:0.003441:0.010727:0.013085:0.003441:0.008369:0.013085:0.010727:0.003441:0.009941:0.011917:0.018990:0.010727:0.003441:0.007180:0.011917:0.009538:0.018990:0.006797:0.011917:0.013085:0.012299:0.003441:0.006797:0.009941:0.003441:0.009538:0.011917:0.006797:0.006797:0.010727:0.012299:0.003400:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.058824:0.225475:0.064729:0.225475:0.064729:0.205860:0.058824:0.205860:0.005905
3.  The organic matter present in the topsoil is called _____________.:@0.091557:0.225475:0.765077:0.225475:0.765077:0.205860:0.091557:0.205860:0.011917:0.006011:0.005905:0.003908:0.014275:0.013085:0.010727:0.006011:0.010727:0.009538:0.011513:0.011917:0.013085:0.006797:0.009538:0.006011:0.018990:0.011917:0.008369:0.008369:0.010727:0.009538:0.006011:0.012299:0.009538:0.010727:0.009941:0.010727:0.013085:0.008369:0.006011:0.006797:0.013085:0.006011:0.008369:0.013085:0.010727:0.006011:0.008369:0.010727:0.012299:0.009941:0.010727:0.006797:0.006797:0.006011:0.006797:0.009941:0.006011:0.009538:0.011917:0.006797:0.006797:0.010727:0.012299:0.005995:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.058824:0.251535:0.064729:0.251535:0.064729:0.231920:0.058824:0.231920:0.005905
4.  Prevention of soil erosion is called _____________.:@0.091557:0.251535:0.608080:0.251535:0.608080:0.231920:0.091557:0.231920:0.011917:0.006011:0.005905:0.003908:0.014275:0.009538:0.010727:0.011513:0.010727:0.013085:0.008369:0.006797:0.010727:0.013085:0.006011:0.010727:0.007180:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.010727:0.009538:0.010727:0.009941:0.006797:0.010727:0.013085:0.006011:0.006797:0.009941:0.006011:0.009538:0.011917:0.006797:0.006797:0.010727:0.012299:0.005997:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.058824:0.287514:0.064920:0.287514:0.064920:0.265880:0.058824:0.265880:0.006096
C. State whether the following statements are true or false::@0.088243:0.287514:0.746719:0.287514:0.746719:0.265880:0.088243:0.265880:0.016632:0.006011:0.006776:0.014275:0.009155:0.013085:0.009155:0.012299:0.006203:0.018990:0.014657:0.012299:0.009155:0.014657:0.012299:0.011131:0.006203:0.009155:0.014657:0.012299:0.006203:0.008369:0.013085:0.007583:0.007583:0.013085:0.018990:0.007966:0.014657:0.013085:0.006203:0.010727:0.009155:0.013085:0.009155:0.012299:0.020562:0.012299:0.014657:0.009155:0.010727:0.006203:0.013085:0.011131:0.012299:0.006203:0.009155:0.011131:0.014657:0.012299:0.006203:0.013085:0.011131:0.006203:0.008369:0.013085:0.007583:0.010727:0.012299:0.005905
1.:@0.091557:0.312192:0.109379:0.312192:0.109379:0.292577:0.091557:0.292577:0.011917:0.005905
Topsoil is rich in humus, air and water. :@0.119281:0.312192:0.517353:0.312192:0.517353:0.292577:0.119281:0.292577:0.014275:0.010727:0.012299:0.009941:0.010727:0.006797:0.006797:0.006011:0.006797:0.009941:0.006011:0.009538:0.006797:0.009538:0.013085:0.006011:0.006797:0.013085:0.006011:0.013085:0.013085:0.018990:0.013085:0.009941:0.006011:0.006011:0.011917:0.006797:0.009538:0.006011:0.011917:0.013085:0.012299:0.006011:0.016632:0.011917:0.008369:0.010727:0.009538:0.006011:0.005905
______:@0.861111:0.312192:0.925368:0.312192:0.925368:0.292577:0.861111:0.292577:0.010727:0.010727:0.010727:0.010727:0.010727:0.010621
 :@0.058824:0.338758:0.064729:0.338758:0.064729:0.319143:0.058824:0.319143:0.005905
2.  Subsoil is the lowest layer of the soil. :@0.091557:0.338758:0.493007:0.338758:0.493007:0.319143:0.091557:0.319143:0.011917:0.006011:0.005905:0.003908:0.013489:0.013085:0.011917:0.009941:0.010727:0.006797:0.006797:0.006011:0.006797:0.009941:0.006011:0.008369:0.013085:0.010727:0.006011:0.006797:0.010727:0.016632:0.010727:0.009941:0.008369:0.006011:0.006797:0.011917:0.011513:0.010727:0.009538:0.006011:0.010727:0.007180:0.006011:0.008369:0.013085:0.010727:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.005905
______:@0.861111:0.338758:0.925368:0.338758:0.925368:0.319143:0.861111:0.319143:0.010727:0.010727:0.010727:0.010727:0.010727:0.010621
 :@0.058824:0.365323:0.064729:0.365323:0.064729:0.345708:0.058824:0.345708:0.005905
3.  Soil erosion reduces the soil quality. :@0.091557:0.365323:0.483320:0.365323:0.483320:0.345708:0.091557:0.345708:0.011917:0.006011:0.005905:0.003908:0.013489:0.010727:0.006797:0.006797:0.006011:0.010727:0.009538:0.010727:0.009941:0.006797:0.010727:0.013085:0.006011:0.009538:0.010727:0.012299:0.013085:0.009538:0.010727:0.009941:0.006011:0.008369:0.013085:0.010727:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.011917:0.013085:0.011917:0.006797:0.006797:0.008369:0.011513:0.006011:0.005905
______:@0.861111:0.365323:0.925368:0.365323:0.925368:0.345708:0.861111:0.345708:0.010727:0.010727:0.010727:0.010727:0.010727:0.010621
 :@0.058824:0.391889:0.064729:0.391889:0.064729:0.372274:0.058824:0.372274:0.005905
4.  Planting of trees prevents erosion of soil. :@0.091557:0.391889:0.530243:0.391889:0.530243:0.372274:0.091557:0.372274:0.011917:0.006011:0.005905:0.003908:0.014275:0.006797:0.011917:0.013085:0.008369:0.006797:0.013085:0.011513:0.006011:0.010727:0.007180:0.006011:0.008369:0.009538:0.010727:0.010727:0.009941:0.006011:0.012299:0.009538:0.010727:0.011513:0.010727:0.013085:0.008369:0.009941:0.006011:0.010727:0.009538:0.010727:0.009941:0.006797:0.010727:0.013085:0.006011:0.010727:0.007180:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.005905
______:@0.861111:0.391889:0.925368:0.391889:0.925368:0.372274:0.861111:0.372274:0.010727:0.010727:0.010727:0.010727:0.010727:0.010621
 :@0.058824:0.427867:0.064920:0.427867:0.064920:0.406234:0.058824:0.406234:0.006096
D. Short Answer Questions.:@0.088243:0.427867:0.393382:0.427867:0.393382:0.406234:0.088243:0.406234:0.017801:0.006011:0.005608:0.014275:0.014657:0.013085:0.011131:0.009155:0.006203:0.016229:0.014657:0.010727:0.018990:0.012299:0.011131:0.006203:0.017801:0.014657:0.012299:0.010727:0.009155:0.007966:0.013085:0.014657:0.010727:0.005905
1.:@0.091557:0.452040:0.109379:0.452040:0.109379:0.432426:0.091557:0.432426:0.011917:0.005905
What is weathering?:@0.119281:0.452040:0.324180:0.452040:0.324180:0.432426:0.119281:0.432426:0.020944:0.013085:0.011917:0.008369:0.006011:0.006797:0.009941:0.006011:0.016632:0.010727:0.011917:0.008369:0.013085:0.010727:0.009538:0.006797:0.013085:0.011513:0.009431
 :@0.058824:0.476081:0.064729:0.476081:0.064729:0.456466:0.058824:0.456466:0.005905
2.  What is soil erosion?:@0.091557:0.476081:0.323624:0.476081:0.323624:0.456466:0.091557:0.456466:0.011917:0.006011:0.005905:0.003908:0.020944:0.013085:0.011917:0.008369:0.006011:0.006797:0.009941:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.010727:0.009538:0.010727:0.009941:0.006797:0.010727:0.013085:0.009431
 :@0.058824:0.500121:0.064729:0.500121:0.064729:0.480506:0.058824:0.480506:0.005905
3.  What is crop rotation?:@0.091557:0.500121:0.339449:0.500121:0.339449:0.480506:0.091557:0.480506:0.011917:0.006011:0.005905:0.003908:0.020944:0.013085:0.011917:0.008369:0.006011:0.006797:0.009941:0.006011:0.009538:0.009538:0.010727:0.012299:0.006011:0.009538:0.010727:0.008369:0.011917:0.008369:0.006797:0.010727:0.013085:0.009431
 :@0.058824:0.526182:0.064729:0.526182:0.064729:0.506567:0.058824:0.506567:0.005905
4.  What are the main types of soil?:@0.091557:0.526182:0.439286:0.526182:0.439286:0.506567:0.091557:0.506567:0.011917:0.006011:0.005905:0.003908:0.020944:0.013085:0.011917:0.008369:0.006011:0.011917:0.009538:0.010727:0.006011:0.008369:0.013085:0.010727:0.006011:0.018990:0.011917:0.006797:0.013085:0.006011:0.008369:0.011513:0.012299:0.010727:0.009941:0.006011:0.010727:0.007180:0.006011:0.009941:0.010727:0.006797:0.006797:0.009431
 :@0.058824:0.562160:0.064920:0.562160:0.064920:0.540527:0.058824:0.540527:0.006096
E. Long Answer Questions.:@0.088243:0.562160:0.387350:0.562160:0.387350:0.540527:0.088243:0.540527:0.016229:0.006011:0.007180:0.015443:0.013085:0.014657:0.013085:0.006203:0.016229:0.014657:0.010727:0.018990:0.012299:0.011131:0.006203:0.017801:0.014657:0.012299:0.010727:0.009155:0.007966:0.013085:0.014657:0.010727:0.005905
 :@0.058824:0.586333:0.064729:0.586333:0.064729:0.566718:0.058824:0.566718:0.005905
1.  What is soil conservation? List the methods of conservation.:@0.091557:0.586333:0.713688:0.586333:0.713688:0.566718:0.091557:0.566718:0.011917:0.006011:0.005905:0.003908:0.020944:0.013085:0.011917:0.008369:0.006011:0.006797:0.009941:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.009538:0.010727:0.013085:0.009941:0.010727:0.009538:0.011513:0.011917:0.008369:0.006797:0.010727:0.013085:0.009538:0.006011:0.014275:0.006797:0.009941:0.008369:0.006011:0.008369:0.013085:0.010727:0.006011:0.018990:0.010727:0.008369:0.013085:0.010727:0.012299:0.009941:0.006011:0.010727:0.007180:0.006011:0.009538:0.010727:0.013085:0.009941:0.010727:0.009538:0.011513:0.011917:0.008369:0.006797:0.010727:0.013085:0.005905
 :@0.058824:0.612394:0.064729:0.612394:0.064729:0.592779:0.058824:0.592779:0.005905
2.  Describe the soil profile with a suitable diagram.:@0.091557:0.612394:0.602933:0.612394:0.602933:0.592779:0.091557:0.592779:0.011917:0.006011:0.005905:0.003908:0.016632:0.010727:0.009941:0.009538:0.009538:0.006797:0.011917:0.010727:0.006011:0.008369:0.013085:0.010727:0.006011:0.009941:0.010727:0.006797:0.006797:0.006011:0.012299:0.009538:0.010727:0.007180:0.006797:0.006797:0.010727:0.006011:0.016632:0.006797:0.008369:0.013085:0.006011:0.011917:0.006011:0.009941:0.013085:0.006797:0.008369:0.011917:0.011917:0.006797:0.010727:0.006011:0.012299:0.006797:0.011917:0.011513:0.009538:0.011917:0.018990:0.005905
 :@0.058824:0.638455:0.064729:0.638455:0.064729:0.618840:0.058824:0.618840:0.005905
3.  Write about the process of formation of soil.:@0.091557:0.638455:0.551974:0.638455:0.551974:0.618840:0.091557:0.618840:0.011917:0.006011:0.005905:0.003908:0.020944:0.009538:0.006797:0.008369:0.010727:0.006011:0.011917:0.011917:0.010727:0.013085:0.008369:0.006011:0.008369:0.013085:0.010727:0.006011:0.012299:0.009538:0.010727:0.009538:0.010727:0.009941:0.009941:0.006011:0.010727:0.007180:0.006011:0.007180:0.010727:0.009538:0.018990:0.011917:0.008369:0.006797:0.010727:0.013085:0.006011:0.010727:0.007180:0.006011:0.009941:0.010727:0.006797:0.006797:0.005905
 :@0.058824:0.664515:0.064729:0.664515:0.064729:0.644900:0.058824:0.644900:0.005905
4.  Compare four different types of soil.:@0.091557:0.664515:0.476353:0.664515:0.476353:0.644900:0.091557:0.644900:0.011917:0.006011:0.005905:0.003908:0.015443:0.010727:0.018990:0.012299:0.011917:0.009538:0.010727:0.006011:0.007180:0.010727:0.013085:0.009538:0.006011:0.012299:0.006797:0.007180:0.007180:0.010727:0.009538:0.010727:0.013085:0.008369:0.006011:0.008369:0.011513:0.012299:0.010727:0.009941:0.006011:0.010727:0.007180:0.006011:0.009941:0.010727:0.006797:0.006797:0.005905
Think Hard:@0.058824:0.727958:0.203163:0.727958:0.203163:0.705959:0.058824:0.705959:0.017618:0.016188:0.008105:0.016648:0.016627:0.005882:0.019190:0.016165:0.012230:0.015686
Soil is often called the skin of the earth. Why?:@0.058824:0.755130:0.515056:0.755130:0.515056:0.734793:0.058824:0.734793:0.013489:0.010727:0.006797:0.006797:0.006011:0.006797:0.009941:0.006011:0.010727:0.007180:0.008369:0.010727:0.013085:0.006011:0.009538:0.011917:0.006797:0.006797:0.010727:0.012299:0.006011:0.008369:0.013085:0.010727:0.006011:0.009941:0.012703:0.006797:0.013085:0.006011:0.010727:0.007180:0.006011:0.008369:0.013085:0.010727:0.006011:0.010727:0.011917:0.009538:0.008369:0.013085:0.006011:0.006011:0.020944:0.013085:0.011513:0.009431
Project Work:@0.058824:0.817604:0.223759:0.817604:0.223759:0.795606:0.058824:0.795606:0.016183:0.012784:0.013048:0.008607:0.014758:0.013935:0.011739:0.005882:0.026222:0.013252:0.011976:0.016549
Divide the class into groups. Each group creates a model of the soil profile. Topics such as :@0.058824:0.844777:0.932407:0.844777:0.932407:0.824439:0.058824:0.824439:0.016632:0.006797:0.011513:0.006797:0.012299:0.010727:0.004790:0.008369:0.013085:0.010727:0.004788:0.009538:0.006797:0.011917:0.009941:0.009941:0.004790:0.006797:0.013085:0.008369:0.010727:0.004790:0.011513:0.009538:0.010727:0.013085:0.012299:0.009941:0.006011:0.004788:0.015443:0.011917:0.009538:0.013085:0.004790:0.011513:0.009538:0.010727:0.013085:0.012299:0.004790:0.009538:0.009538:0.010727:0.011917:0.008369:0.010727:0.009941:0.004790:0.011917:0.004790:0.018990:0.010727:0.012299:0.010727:0.006797:0.004788:0.010727:0.007180:0.004790:0.008369:0.013085:0.010727:0.004790:0.009941:0.010727:0.006797:0.006797:0.004790:0.012299:0.009538:0.010727:0.006542:0.006542:0.006797:0.010727:0.006011:0.004790:0.014275:0.010727:0.012299:0.006797:0.009538:0.009941:0.004790:0.009941:0.013085:0.009538:0.013085:0.004790:0.011917:0.009833:0.005905
soil formation, soil conservation and soil erosion, etc., can be divided amongst the groups :@0.058824:0.870029:0.932455:0.870029:0.932455:0.849692:0.058824:0.849692:0.009941:0.010727:0.006797:0.006797:0.005109:0.007180:0.010727:0.009538:0.018990:0.011917:0.008369:0.006797:0.010727:0.013085:0.006011:0.005119:0.009941:0.010727:0.006797:0.006797:0.005119:0.009538:0.010727:0.013085:0.009941:0.010727:0.009538:0.011513:0.011917:0.008369:0.006797:0.010727:0.013085:0.005119:0.011917:0.013085:0.012299:0.005109:0.009941:0.010727:0.006797:0.006797:0.005109:0.010727:0.009538:0.010727:0.009941:0.006797:0.010727:0.013085:0.006011:0.005109:0.010727:0.008369:0.009538:0.006011:0.006011:0.005109:0.009538:0.011917:0.013085:0.005119:0.011917:0.010727:0.005119:0.012299:0.006797:0.011513:0.006797:0.012299:0.010727:0.012299:0.005119:0.011917:0.018990:0.010727:0.013085:0.011513:0.009941:0.008369:0.005119:0.008369:0.013085:0.010727:0.005109:0.011513:0.009538:0.010727:0.013085:0.012299:0.009833:0.005905
on which they will create a presentation.:@0.058824:0.895282:0.462779:0.895282:0.462779:0.874944:0.058824:0.874944:0.010727:0.013085:0.006011:0.016632:0.013085:0.006797:0.009538:0.013085:0.006011:0.008369:0.013085:0.010727:0.011513:0.006011:0.016632:0.006797:0.006797:0.006797:0.006011:0.009538:0.009538:0.010727:0.011917:0.008369:0.010727:0.006011:0.011917:0.006011:0.012299:0.009538:0.010727:0.009941:0.010727:0.013085:0.008369:0.011917:0.008369:0.006797:0.010727:0.013085:0.005905
113:@0.896315:0.967768:0.926475:0.967768:0.926475:0.951170:0.896315:0.951170:0.010083:0.010083:0.009993