Lab-Aids:‚ Biology and Chemistry of Soil Experiment Kit
Time to play in the dirt! Students use ordinary soil samples to conduct a thorough evaluation of soil. Simple, easy-to-follow techniques and staining procedures are introduced early in this series of activities. After performing a series of activities, students are asked to draw conclusions concerning a soil„¢s ability to support plant growth. All tests are performed using either the patented Chemplate‚® or calibrated sample tubes.
Scientific Concepts:
- Conduct a thorough evaluation of soil
- Identify the type and variety of micro-organisms (soil microbes)
- Calculate soil fertility by a cation exchange capacity elimination
- Test and determine soil pH
- Correlate the soil's pH value to soil lime requirements
- Develop and use stain technique and microscopes
Content List:
- 1 Teacher's Guide with MSDS
- 50 Student Worksheets and Guides
- 12 Chemplates‚®, LAB-AIDS‚®
- 50 Cups, plastic
- 50 Plastic slides
- 12 Tubes, calibrated
- 3 Barium Chloride Solution, Drop control bottle
- 4 Phenolic Rose Bengal, Drop control bottle
- 2 pH Soil Indicator Solution, Drop control bottle
- 1 Potassium Dichromate Solution, Drop control bottle
Classroom Planning:
- To complete this kit requires 1 ~50-minute class period.
- Number of students: 50
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