Lessons On Soil
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In our eReader you can find the full English version of the book. Read Lessons On Soil Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Lessons On Soil
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Columns showing what 100 parts of dried soiland subsoil were made of] Summary. The experiments made so far have taught us these facts:-- 1. Soil contains water, grit or sand, silt, clay, a part that burnsaway, and some white chalky specks.
2. The top layer of soil to a depth of about eight inches is differentfrom the soil lying below, which is called the subsoil. It is lesssticky, easier to dig, and darker in colour. It contains more of thematerial that burns away, but less clay than the subsoi...l.
3. When soil is dried it is not sticky but hard or crumbly; as soon asit is moistened it changes back to what it was before. But when soilis burnt it completely alters and can no longer be changed back again.
[1] See p. Xiv for explanation of the figures in square brackets.
{9} CHAPTER II MORE ABOUT THE CLAY Apparatus required.
_Clay, about 6 lbs. ; a little dried, powdered clay; sand, about 6 lbs. Six glass jars or cylinders [2]. Six beakers [1]. Six egg-cups [1]. Six funnels and stands [2].
What to read after Lessons On Soil?
You can find similar books in the "Read Also" column, or choose other free books by Russell E. J. to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Columns showing what 100 parts of dried soiland subsoil were made of] Summary. The experiments made so far have taught us these facts:-- 1. Soil contains water, grit or sand, silt, clay, a part that burnsaway, and some white chalky specks.
2. The top layer of soil to a depth of about eight inches is differentfrom the soil lying below, which is called the subsoil. It is lesssticky, easier to dig, and darker in colour. It contains more of thematerial that burns away, but less clay than the subsoi...l.
3. When soil is dried it is not sticky but hard or crumbly; as soon asit is moistened it changes back to what it was before. But when soilis burnt it completely alters and can no longer be changed back again.
[1] See p. Xiv for explanation of the figures in square brackets.
{9} CHAPTER II MORE ABOUT THE CLAY Apparatus required.
_Clay, about 6 lbs. ; a little dried, powdered clay; sand, about 6 lbs. Six glass jars or cylinders [2]. Six beakers [1]. Six egg-cups [1]. Six funnels and stands [2].
What to read after Lessons On Soil?
You can find similar books in the "Read Also" column, or choose other free books by Russell E. J. to read onlineMoreLess
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