Laboratory
Investigation 1:
Problem: What are the characteristics of soil?
Procedure
- Collect soil sample from the top 2-4 inches of soil.
- Label the sample with your name, date and collection site.
- Describe the color of the soil sample.
- Spread some of the sample on a sheet of paper and examine it with
a
magnifying glass and a microscope. Name or describe.
- Place a small amount of soil in your hand and rub it between your
fingers.
Describe the texture (how it feels).
- Try to determine if any materials appear to be the remains of once-living
organism (use a magnifying glass or microscope if needed)
- Record your observations on Table 1.
Table 1: Data
and Observations
color
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feel of soil
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particles
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organic matter
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Analysis
- Based on your examination of the soil sample in steps 1-3, describe
it in detail.
- What three characteristics of soil did you observe?
- Compare your sample to those of other students in your class. In
what ways
are those samples different or similar to yours?
- Write at least 3 questions about soil that you would like to investigate.
- Together with your classmates create a master list of questions
about
soil to investigate.
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