Chemistry · Combined Science Higher
Using Resources
Spec 4.10Paper 21 required practical5 subtopics
Subtopics
1
Using the Earth's Resources and Sustainable Development
Describe how humans use the Earth's resources and the importance of sustainable development.
2
Potable Water and Water Treatment
Describe how potable water is produced and how waste water is treated.
3
Life Cycle Assessment
Describe what a life cycle assessment is and how it is used to evaluate the environmental impact of products.
4
Ways of Reducing the Use of Resources
Describe how resources can be conserved through reduction, reuse and recycling.
5
Alternative Methods of Extracting Metals
Describe phytomining and bioleaching as alternatives to traditional metal extraction.
Higher tier only
NPK fertiliser calculations
LCA evaluation
Previous topic
Chemistry of the Atmosphere