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QR Challenge: Chemistry Trivia Scavenger Hunt

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. What are the only 2 liquid elements on the Periodic Table?Br, Hg
2. On average, how many grams of salt are in the human body?250g
3. What is the only letter that does not appear on the PT?J
4. What is one way to make new Ozone? Why do we need an ozone layer?lightning strikes, protects us from UV rays
5. If you took all of the carbon out of the average human body, how many graphite pencils could you make from it?9000
6. What is the rarest naturally-occurring element in the Earth’s crust?Astatine
7. Why do helium balloons float?lighter than air
8. What type of organisms can eat hot peppers without them tasting hot?birds
9. What colour is oxygen in the liquid form?blue
10. What metal on the PT is naturally antibacterial?Cu
11. What is the coldest state of matter called?Bose-Einstein Condensate superfluid
12. What gas is given off by apples and pears as they ripen?ethylene gas
13. At what temperature does air become a liquid in degrees Celsius and in Kelvin?-190oC, -463K
14. Which country used natural gas to light houses and streetlights? What year did this happen?In 1785, Britain
15. When was the word gas coined? What does it mean in the Greek language? 1650–60, Greek word for chaos
16. What is the heaviest known gas?Radon
17. What is the only solid element that will liquefy in your hand?Ga
18. What is the softest known substance?talc
19. What temperature does Liquid nitrogen boils at in degrees Celsius and Kelvin?−196 °C, −77K
20. Why can you get scurvy from eating too many preserved meats (i.e. hotdogs)? Has Erythorbic acid in them – mimics Vitamin C

 


Chemistry Trivia Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_only_2_liquid_elements_on_the_Periodic_Table?

Question 1 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=On_average,_how_many_grams_of_salt_are_in_the_human_body?

Question 2 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 3 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 4 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_you_took_all_of_the_carbon_out_of_the_average_human_body,_how_many_graphite_pencils_could_you_make_from_it?

Question 5 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_rarest_naturally-occurring_element_in_the_Earth’s_crust?

Question 6 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 7 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 8 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 9 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 10 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 11 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 12 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 13 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 14 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 15 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 16 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 17 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 18 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

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

Question 19 (of 20)

 


Chemistry Trivia Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Why_can_you_get_scurvy_from_eating_too_many_preserved_meats_(i.e._hotdogs)?

Question 20 (of 20)