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Physical properties: structure and composition
Biological properties: living organisms
Type of investigation: classifying and identifying
Physical properties: structure and composition
Biological properties: organic matter content
Physical properties - structure and composition, drainage (field capacity)
Type of investigation: pattern seeking
Biological properties: influence of living organisms
Chemical properties: soil pH, nutrient type/availability
Physical properties: aeration and temperature
Chemical properties: chemical conversions during the nitrogen cycle
Biological properties: influence of organisms and organic matter on nutrient cycling
Type of investigation: modelling
Biological properties: influence of living organisms (rhizobia)
Chemical processes: chemical conversions during the nitrogen cycle
Type of investigation: exploring and observing
Explores a range of perspectives in primary production. The activity looks at scientific and ethical aspects of this issue as well as ideas about possible solutions.
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