DSERT - 6 - Science :: Soil
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[Contributor - Kripa S]
Objective: To teach importance of soil and soil conservation
Subtopics to be covered:
- Importance of soil
- How is soil formed, layers of soil
- Soil Erosion
- Conservation of soil
Learning Outcome:
- Students know about soil and how it is formed
- They can explain soil erosion and how to conserve soil
[Contributor - Kripa S]
http://ktbs.kar.nic.in/new/website%20textbooks/class6/6th-kannada-science.pdf#page=168 (Kannada Medium)
http://ktbs.kar.nic.in/New/website%20textbooks/class6/6th-english-science.pdf#page=168 (English Medium)
[Contributor - Anu Nived]
http://www.clipartkid.com/images/180/soil-layers-on-horizon-form-isolated-vector-n0tDVq-clipart.jpg (soil layer)
https://ledascience.edublogs.org/files/2015/05/IMG_0579-24sqit7.jpg (types of soil)
https://s-media-cache-ak0.pinimg.com/736x/87/79/96/8779966ea7bb1e95be81aa4a5eb252e1.jpg (pot making)
[Contributor - Kripa S]
1. Take a little soil. Break the clumps with your hand to powder it. Now take a glass tumbler, three quarters filled with water, and then add a handful of soil to it. Stir it well with a stick to dissolve the soil. Now let it stand undisturbed for some time. Observe the layers of soil and take notes.
2. Invite students to bring in a small amount of soil from their yards or from places around their communities. Make sure they label where they got the soil. Divide the students into small groups and have them compare and contrast the soil. Why might one soil be darker than the other? What might make one soil reddish in color? Where in the community might you find drier soil or sand? Have students discuss and write down their ideas.
3. Have students plant seeds in the soil near their home and observe how they grow. Which soil is best for plants? Which soil is worst? If possible, try experimenting with different seeds such as grasses, flowers, and vegetables. Different plants grow best in different kinds of soil.
[Contributor - Navyashree Jogi]
| Term | Transliterated Term | Translated Term |
| Rain water harvesting | ರೈನ್ ವಾಟರ್ ಹಾರ್ವೆಸ್ಟಿಂಗ್ | ಮಳೆ ನೀರು ಕೊಯ್ಲು |
| Soil | ಸಾಯಿಲ್ | ಮಣ್ಣು |
| Weathering of rocks | ವೀಥಿರಿಂಗ್ ಒಫ್ ರಾಕ್ಸ್ | ಶಿಥಲೀಕರಣ |
| Soil erosion | ಸಾಯಿಲ್ ಏರೋಷನ್ | ಮಣ್ಣಿನ ಸವಕಳಿ |
| Deforestation | ಡಿಫಾರೆಸ್ಟಷನ್ | ಅರಣ್ಯನಾಶ |
| Conservation of soil | ಕನ್ಸರ್ವೇಷನ್ ಒಫ್ ಸಾಯಿಲ್ | ಮಣ್ಣಿನ ಸಂರಕ್ಷಣೆ |
| Afforestation | ಆಫ್ಫಾರೆಸ್ಟಷನ್ | ಅರಣ್ಯೇಕರಣ |
| Shelter belt | ಶೆಲ್ಟರ್ ಬೆಲ್ಟ್ಸ್ | ಮರಗಳ ತಡೆಪಟ್ಟಿ |
| Contour farming | ಕಾಂಟೂರ್ ಫಾರ್ಮಿನ್ಗ್ | ಸಮಪಾತಳಿ ಬೇಸಾಯ |
| Planned grazing | ಪ್ಲಾನ್ಡ್ ಗ್ರಾಜಿನ್ಗ್ | ಯೋಜಿತ ಮೇಯಿಸುವಿಕೆ |
| Crop rotation | ಕ್ರಾಪ್ ರೊಟೇಷನ್ | ಸರದಿ ಬೆಳೆ ಪದ್ಧತಿ |
| Mixed cropping | ಮಿಕ್ಸೆಡ್ ಕ್ರೋಪ್ಪಿಂಗ್ | ಮಿಶ್ರ ಬೆಳೆ ಪದ್ಧತಿ |
| Sandy soil | ಸ್ಯಾಂಡಿ ಸಾಯಿಲ್ | ಮರಳು ಮಣ್ಣು |
| Silty soil | ಸಿಲ್ತ್ಯ್ ಸಾಯಿಲ್ | ಗೋಡು ಮಣ್ಣು |
| Black soil | ಬ್ಲಾಕ್ ಸಾಯಿಲ್ | ಯೆರೆ ಮಣ್ಣು |
| Alluvial soil | ಅಲ್ಲುವಿಯಾಲ್ ಸಾಯಿಲ್ | ಮೆಕ್ಕಲು ಮಣ್ಣು |
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