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QR Challenge: ch. 20

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

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

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

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!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. the process by which water is brought to an area for use on crops is called: desalination, purification, irrigation, sedimentationirrigation
2. The largest consumer of water in the United States is: agriculture, industry, urban centers, residential areasagriculture
3. In the home, most water is used for: cooking, drinking, personal hygiene, washing dishespersonal hygiene
4. Water that is fit for use as drinking water is said to be: polluted, runoff, contaiminated, potablepotable
5. The type of irrigation that makes use of sprinkler systems is: flood irrigation, drip or trickel irrigation, furrow irrigation, overhead irrigationoverhead
6. The most wasteful and inefficient type of irrigation is: flood irrigation, drip or trickle irrigation, overhead irrigation, subirrigationflood
7. Many reservoirs are fed by underground water supplies flowing in: pipes, aquifers, streams, runoffaquifers
8. The water-treatment process in which water is forced into the air is called: purification, aeration, sedimentation, filtrationaeration
9. Particles in the water are able to settle out by: filtration, aeration, sedimentation, boilingsedimentation
10. Two chemicals used to purify water are: bicarbonate and calcuim, sulfur and oxygen, fluorine and sodium, ozone and chlorineozone and chlorine
11. True/False? distillation is the process used by water-treatment plants to kill dangerous microorganismsFalse
12. True/False? reverse osmosis is a method of aeration?false
13. True/False? groundwater can be a source of surface watertrue
14. True/False? subsidence can result when overdraft occurs?true
15. True/False? Coagulantes are used to aid in sedimentation?true

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=the_process_by_which_water_is_brought_to_an_area_for_use_on_crops_is_called:_desalination,_purification,_irrigation,_sedimentation

Question 1 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_largest_consumer_of_water_in_the_United_States_is:_agriculture,_industry,_urban_centers,_residential_areas

Question 2 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_the_home,_most_water_is_used_for:_cooking,_drinking,_personal_hygiene,_washing_dishes

Question 3 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water_that_is_fit_for_use_as_drinking_water_is_said_to_be:_polluted,_runoff,_contaiminated,_potable

Question 4 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_type_of_irrigation_that_makes_use_of_sprinkler_systems_is:_flood_irrigation,_drip_or_trickel_irrigation,_furrow_irrigation,_overhead_irrigation

Question 5 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_most_wasteful_and_inefficient_type_of_irrigation_is:_flood_irrigation,_drip_or_trickle_irrigation,_overhead_irrigation,_subirrigation

Question 6 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=Many_reservoirs_are_fed_by_underground_water_supplies_flowing_in:_pipes,_aquifers,_streams,_runoff

Question 7 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_water-treatment_process_in_which_water_is_forced_into_the_air_is_called:_purification,_aeration,_sedimentation,_filtration

Question 8 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=Particles_in_the_water_are_able_to_settle_out_by:_filtration,_aeration,_sedimentation,_boiling

Question 9 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=Two_chemicals_used_to_purify_water_are:_bicarbonate_and_calcuim,_sulfur_and_oxygen,_fluorine_and_sodium,_ozone_and_chlorine

Question 10 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=True/False?_distillation_is_the_process_used_by_water-treatment_plants_to_kill_dangerous_microorganisms

Question 11 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=True/False?_reverse_osmosis_is_a_method_of_aeration?

Question 12 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=True/False?_groundwater_can_be_a_source_of_surface_water

Question 13 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=True/False?_subsidence_can_result_when_overdraft_occurs?

Question 14 (of 15)

 


ch. 20: QR Challenge

https://www.classtools.net/QR/decode.php?text=True/False?_Coagulantes_are_used_to_aid_in_sedimentation?

Question 15 (of 15)