In this Unit pupils:

• learn that rocks, soils and building materials have a variety of chemical characteristics
• learn that chemical weathering alters rocks and building materials over time
• consider how the atmosphere and water resources are affected by natural processes and the activity of humans
• consider how environmental conditions are monitored and controlled
• distinguish between different environmental issues

In scientific enquiry pupils:

• consider how scientists work to monitor the environment
• decide on the suitability of secondary sources for providing information on a particular question
• consider how evidence for climate and environmental change needs careful interpretation
• evaluate the evidence obtained
• investigate environmental change using evidence from secondary sources