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Soil Teachers' Guide
may also want to create a "worm farm." Place sand and soil in horizontal layers in a glass jar. Use this to observe worm behaviour, decomposition, and changes in soil over a longer period of time. Ensure the moisture of the soil is maintained to avoid worm desiccation! • Do a...
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may also want to create a "worm farm." Place sand and soil in horizontal layers in a glass jar. Use this to observe worm behaviour, decomposition, and changes in soil over a longer period of time. Ensure the moisture of the soil is maintained to avoid worm desiccation! • Do a similar experiment as above but vary the soil texture. Include jars with sandy soil and clay soil and observe differences as above. www.globe.org.uk Soil - 15
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http://www.globe.org.uk/activities/soil/soilt.pdf#page=15
www.globe.org.uk/activities/soil/soilt.pdf#page=15
may also want to create a "worm farm." Place <span class="highlight">sand</span> and soil in horizontal layers in a glass jar. Use this to observe worm behaviour, decomposition, and changes in soil over a longer period of time. Ensure the moisture of the soil is maintained to avoid worm desiccation! • Do a similar experiment as above but vary the soil texture. Include jars with sandy soil and clay soil and observe differences as above. www.globe.org.uk Soil - 15
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