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