Using Resources

1 Using the Earth's Resources and Sustainable Development Describe how humans use the Earth's resources and the importance of sustainable development. Spec 5.10.1.1 2 Potable Water and Water Treatment Describe how potable water is produced and how waste water is treated. Spec 5.10.1.2–5.10.1.3 3 Life Cycle Assessment Describe what a life cycle assessment is and how it is used to evaluate the environmental impact of products. Spec 5.10.2.1 4 Ways of Reducing the Use of Resources Describe how resources can be conserved through reduction, reuse and recycling. Spec 5.10.2.2 5 Corrosion and Its Prevention Explain why iron rusts and describe methods to prevent corrosion. Spec 4.10.3.1 6 Alloys as Useful Materials Describe why alloys are more useful than pure metals and give examples with their uses. Spec 4.10.3.2 7 Ceramics, Polymers and Composites Describe the properties and uses of ceramics, polymers and composites as engineering materials. Spec 4.10.3.3 8 The Haber Process Describe the Haber process for manufacturing ammonia and explain the industrial conditions used. Spec 4.10.4.1 9 Production and Uses of NPK Fertilisers Describe what NPK fertilisers are and how they are manufactured using integrated industrial processes. Spec 4.10.4.2 10 Alternative Methods of Extracting Metals Describe phytomining and bioleaching as alternatives to traditional metal extraction. Spec 5.10.1.4