Sunday, January 12, 2014

7th Science - 1/13/14

https://docs.google.com/document/d/1ePbLU3Spgj5qxX6cUwnf4wok5QVCwwMAA4piqZotcaI/pub

1/15 - Write vocabulary definitions for each word in NB

1.  weathering
2. mechanical weathering
3. ice wedging
4. chemical weathering
5. oxidation
6. climate
7. soil
8. humus
9. soil profile
10.horizon
11. litter
12. leaching

1/15  - lab book on soil MUST be completed.

1/17 -  LL - Research how contour plowing, strip cropping, and terracing maintain soil fertility and reduce erosion.