9.9
Exercise
Learning pathways LEVEL1 1, 2, 3
LEVEL2 4, 5, 6, 9, 11, 12
LEVEL3
7, 8, 10
REMEMBER AND UNDERSTAND 1. What is a drought?
a. A long period of below-average rainfall, when not enough water is available to supply our normal needs. b. A long period of average rainfall, when not enough water is available to supply our normal needs. c. A long period of above-average rainfall, when enough water is available to supply our normal needs. d. A long period of average rainfall, when enough water is available to supply our normal needs. 2. Complete the following sentence to explain what desalination is. Desalination is a process that removes _____________ from ________________. 3. What are the three main types of floods? Identify all possible answers. a. Slow-onset floods
b. Rising floods c. Sinking floods d. Rapid-onset floods e. Casual floods f. Flash floods 4. What is alluvium and why is it important to agriculture? 5. How can an early warning system reduce the risk of a flood disaster?
a. It allows people to adequately prepare for the flood. b. It allows people to sell their homes before the flood. c. People know they need to purchase extra brooms. d. People know they should go on holidays at this time. 6. Why is Australia so dry? a. The temperature is too high. b. Rainfall is too low.
c. It is dominated by high-pressure systems. d. It is dominated by low-pressure systems. ANALYSE AND APPLY 7. Explain the factors that contribute to the severity of the Tinderbox Drought. 8. Reducing personal water use is an excellent strategy to minimise the impacts of drought. Identify what obstacles you believe prevent people from reducing their personal water use. 9. Answer the following questions:
a. Describe three ways in which droughts can affect environments. b. Describe three ways in which droughts can affect communities. EVALUATE AND COMMUNICATE
10. Should people continue to build on floodplains? Why or why not? Think globally when formulating your argument. Consider environmental, cultural and economic factors that could have an impact on a person’s reasoning when choosing a place to settle. 11. Dams are the most common method used to manage the impacts of floods. Outline why you think this is the case 12. Explain the dilemma Wivenhoe Dam operators faced in 2011. Explain what you would you have done in the same situation. Answers and sample responses for this topic are available online.
308 Jacaranda Humanities Alive 7 Victorian Curriculum Third Edition
Made with FlippingBook interactive PDF creator