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QR Challenge: Intro Biogeochemical Cycles and Human Impact

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. How can a renewable resource become a non-renewable resource?If it is used carelessly.
2. What are two ways that water enters the atmosphere?evaporation and transpiration
3. What are the two main processes involved in the Carbon and Oxygen Cycle?photosynthesis and cellular respiration
4. What is the build-up of pollutants in the fatty tissues of aquatic organisms?biomagnification
5. What happens between evaporation and precipitation?condensation
6. What are two human activities that add carbon dioxide to the atmosphere?combustion and mining
7. In the nitrogen cycle, how does nitrogen gas get put into the soil as ammonium?nitrogen fixation
8. Which organism plays the biggest role in the nitrogen cycle?bacteria
9. How is water removed from the atmosphere and returned to the earth?precipitation
10. What is the amount of land necessary to produce and maintain enough food, water, shelter and waste?ecological footprint
11. What are gases that keep the biosphere at a temperature that can support life?Greenhouse gases
12. What is the a barrier that prevents an organism from accessing its entire home range that is caused by building of roads and harvesting of forests?habitat fragmentation
13. What is an organism that was brought to an ecosystem and poses a threat to the stability of an organism because they prey on or crowd out a native species?invasive species
14. What are resources that are used up faster than they can be replenished?non-renewable resources
15. What is caused when pollutants in the air get into the water cycle and lower the pH of the precipitation?acid rain
16. In the nitrogen cycle, how is ammonium converted into the usable form of nitrates?nitrification
17. What gas is given off during photosynthesis and used during cellular respiration?oxygen
18. What gas is given off during cellular respiration and used during photosynthesis?carbon dioxide
19. In the nitrogen cycle, how are used nitrates in the soil returned to the atmosphere?denitrification
20. What are the two possible outcomes of water once it is returned to the earth?run-off and infiltration
21. in the nitrogen cycle, how is nitrogen in dead and decaying organisms returned to the soil as ammonium?ammonification
22. In the nitrogen cycle, how are nitrates taken up into the roots of plants for protein production?assimilation

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_can_a_renewable_resource_become_a_non-renewable_resource?

Question 1 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_two_ways_that_water_enters_the_atmosphere?

Question 2 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_two_main_processes_involved_in_the_Carbon_and_Oxygen_Cycle?

Question 3 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_build-up_of_pollutants_in_the_fatty_tissues_of_aquatic_organisms?

Question 4 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_happens_between_evaporation_and_precipitation?

Question 5 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_two_human_activities_that_add_carbon_dioxide_to_the_atmosphere?

Question 6 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_the_nitrogen_cycle,_how_does_nitrogen_gas_get_put_into_the_soil_as_ammonium?

Question 7 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_organism_plays_the_biggest_role_in_the_nitrogen_cycle?

Question 8 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_is_water_removed_from_the_atmosphere_and_returned_to_the_earth?

Question 9 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_amount_of_land_necessary_to_produce_and_maintain_enough_food,_water,_shelter_and_waste?

Question 10 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_gases_that_keep_the_biosphere_at_a_temperature_that_can_support_life?

Question 11 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_a_barrier_that_prevents_an_organism_from_accessing_its_entire_home_range_that_is_caused_by_building_of_roads_and_harvesting_of_forests?

Question 12 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_an_organism_that_was_brought_to_an_ecosystem_and_poses_a_threat_to_the_stability_of_an_organism_because_they_prey_on_or_crowd_out_a_native_species?

Question 13 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_resources_that_are_used_up_faster_than_they_can_be_replenished?

Question 14 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_caused_when_pollutants_in_the_air_get_into_the_water_cycle_and_lower_the_pH_of_the_precipitation?

Question 15 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_the_nitrogen_cycle,_how_is_ammonium_converted_into_the_usable_form_of_nitrates?

Question 16 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_gas_is_given_off_during_photosynthesis_and_used_during_cellular_respiration?

Question 17 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_gas_is_given_off_during_cellular_respiration_and_used_during_photosynthesis?

Question 18 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_the_nitrogen_cycle,_how_are_used_nitrates_in_the_soil_returned_to_the_atmosphere?

Question 19 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_two_possible_outcomes_of_water_once_it_is_returned_to_the_earth?

Question 20 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=in_the_nitrogen_cycle,__how_is_nitrogen_in_dead_and_decaying_organisms_returned_to_the_soil_as_ammonium?

Question 21 (of 22)

 


Intro Biogeochemical Cycles and Human Impact: QR Challenge

https://www.classtools.net/QR/decode.php?text=In_the_nitrogen_cycle,_how_are_nitrates_taken_up_into_the_roots_of_plants_for_protein_production?

Question 22 (of 22)