All of the resources we use in our everyday lives come from the atmosphere or the Earth's crust. Most of these resources are finite and we have used up most of the accessable sources. In this unit we will look at how we extract useful materials from the rocks beneath our feet, how we can make drinking water and deal with the waste we produce.

Specification links:

• Set 1 4.10.1-4.10.2

• Set 2 and 3 all of 5.10

Task 1b: Listen to the podcast for an overview of this topic:

Task 2b: Make notes that:

• Define finite and renewable

• Copy and complete the table on slide 7

• Define sustainable development

• Describe and explain the trends shown in the graphs on slide 11.

• Describe how to calculate orders of magnitude.

• Carry out the calculation on slide 15 and self mark.

Task 3b: Make notes that:

• Define potable water

• Describe how to produce potable water from groundwater

• Describe how to produce potable water from salt water

• Watch the video of the required practical, read the method on the worksheet and answer the questions. Self mark using slide 20.

Task 3c: Complete the exam questions and self mark:

Task 4b: Make notes that:

• Describe the stages involved in treating waste water.

• Explain why treating waste water is important.

Task 4d: Complete the progress quiz

Task 6b: Make notes that:

• Define Life cycle assessment

• List the stages involved in a life cycle assessment

• Describe the problems associated with life cycle assessments

Task 7b: Make notes that:

• Explain why recycling is important

• Describe how glass and metals are recycled

Task 7c: Answer the exam questions:

Task 9: Complete the quiz for your set to make sure you understand this unit.