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1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.
2. If their phone camera doesn't automatically detect and decode QR codes, ask students to
4. Cut them out and place them around your class / school.
1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.
2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.
3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!
4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.
Question | Answer |
1. the process by which water is brought to an area for use on crops is called: desalination, purification, irrigation, sedimentation | irrigation | 2. The largest consumer of water in the United States is: agriculture, industry, urban centers, residential areas | agriculture | 3. In the home, most water is used for: cooking, drinking, personal hygiene, washing dishes | personal hygiene | 4. Water that is fit for use as drinking water is said to be: polluted, runoff, contaiminated, potable | potable | 5. The type of irrigation that makes use of sprinkler systems is: flood irrigation, drip or trickel irrigation, furrow irrigation, overhead irrigation | overhead | 6. The most wasteful and inefficient type of irrigation is: flood irrigation, drip or trickle irrigation, overhead irrigation, subirrigation | flood | 7. Many reservoirs are fed by underground water supplies flowing in: pipes, aquifers, streams, runoff | aquifers | 8. The water-treatment process in which water is forced into the air is called: purification, aeration, sedimentation, filtration | aeration | 9. Particles in the water are able to settle out by: filtration, aeration, sedimentation, boiling | sedimentation | 10. Two chemicals used to purify water are: bicarbonate and calcuim, sulfur and oxygen, fluorine and sodium, ozone and chlorine | ozone and chlorine | 11. True/False? distillation is the process used by water-treatment plants to kill dangerous microorganisms | False | 12. True/False? reverse osmosis is a method of aeration? | false | 13. True/False? groundwater can be a source of surface water | true | 14. True/False? subsidence can result when overdraft occurs? | true | 15. True/False? Coagulantes are used to aid in sedimentation? | true |
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