Lab-Aids: Soil Nutrients and Fertilizers Kit
Nitrogen is one of the essential plant nutrients found in soil. Students measure the amount of nitrogen in several different soils. They then examine the role of nitrogen in plant growth and consider the effect of excess nutrients in an ecosystem. Developed by SEPUP.
Scientific Concepts:
- Soil consists of weathered rocks and decomposed organic materials and often has layers with different physical and chemical characteristics
- Water is a solvent that carries dissolved material through soil to rivers and oceans
- Technological solutions have intended benefits and unintended consequences
- Maintaining environmental health involves monitoring soil and water quality
Content List:
- 1 Teacher's Guide with MSDS
- 32 Student Worksheets and Guides
- 1 Potting soil, Vial
- 1 Nitrate testing powder, Vial
- 2 Fertilizer solution, Bottle
- 3 Nitrate extraction solution, Bottle
- 8 Vials labeledN
- 8 Vials labeledB
- 16 AB trays
- 8 Stir sticks
- 8 White scoops
- 8 Filter funnels, SEPUP
- 8 Filter-paper circles, fine
- 8 3-mL pipets
- 8 Nitrogen color charts
- 8 Cups, 30-ml, graduated
Classroom Planning:
- To complete this kit requires one to two ~50 minute periods
- Number of students: 32
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