1. Return NorthBay health form
Thursday, May 02, 2019
Objective:
YWBAT describe the three soil horizons and how they form.
Drill: Describe climates in which leaching is common.
Homework
Study Weathering WOW
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2. Answer
Leaching is common in climates that have large amounts of rainfall. As rainwater travels down through the horizons, it dissolves nutrients, and other substances from the above soil.

3. Did you know…?
By the early 1900’s, a century of cotton cultivation had depleted the soil of nutrients. A scientist named George Washington Carver convinced farmers to plant peanuts and soybeans instead of cotton. Carver knew these plants would restore nitrogen to the soil. The soil recovered and Carvers work helped to revitalize the agricultural economy of the south.

4. Geoblox ‘Soil Profiles’ Conclusion
Today’s Activities
Drill
Read p
Geoblox ‘Soil Profiles’
Conclusion

5. Which layer of soil is the most important for growing crops? Why?
Closure
Which layer of soil is the most important for growing crops? Why?

6. Closure Answer
Topsoil is the most important layer of soil for growing crops because it contains the organic material and nutrients that plants need to grow.