Featured in PASCO’s College Environmental Science Instructor Guide
College Instructor edition with experiments covering introductory and general environmental science topics.
Determine Soil Quality
Use a carbon dioxide gas sensor, a pH sensor, and a conductivity sensor to analyze the capacity of soil to support plant growth by examining the physical, chemical, and biological characteristics of different types of soil.
Students explore the requirements and capacity of soil to support plant growth by examining the physical, chemical, and biological characteristics of different types of soil.
Students gain experience conducting the following procedures on three soil samples:
- Using the carbon dioxide (CO2) gas sensor to determine the soil respiration rate.
- Using pH and conductivity sensors to measure the soil pH, salinity, and buffering capacity.
- Using a dissecting microscope and a light microscope to analyze the physical and biological characteristics of the soil samples.
Sensors / Equipment Used:
Measures temperature, conductivity, pH/ISE/ORP and dissolved oxygen. It is specifically designed for convenience in conducting water quality lab experiments. For use with PASPORT Interfaces.
The PASPORT Carbon Dioxide Gas Sensor measures carbon dioxide concentration CO2 (parts per million) in gases such as air. Ideal for studies of photosynthesis, respiration, fermentation and more.
Beaker, 100-mL - 4
Distilled or deionized water - 300 mL
Graduated cylinder, 100-mL
Labeling tape - 1 roll
Microscope slides and cover slips - 3
Microscope with magnification up to 400x
Microwave oven - 1 per class
pH calibration standard solution, pH 4 - 25 mL
pH calibration standard solution, pH 7 or 10 - 25 mL
Pipet, disposable, 1-mL
Plastic bags - 4
Soil samples (from 3 different locations) - 3
Wash bottle containing distilled or deionized water
White household vinegar - 4 mL
The Associated Bundle:
Contains the probeware needed to perform all 26 experiments in the College Environmental Science instructor guide.