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QR Challenge: Compound 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. table saltNaCl
2. Epsom saltsmagnesium sulfate
3. compound that makes cakes risebaking soda
4. table salt substituteKCl
5. acid found in Italian salad dressingacetic acid
6. battery acidsulfuric acid
7. universal solventwater
8. makes soda bubblecarbon dioxide
9. element that makes balloons floathelium
10. sandsilicon dioxide
11. rustIron (III) oxide
12. milk of magnesiamagnesium hydroxide
13. washing sodasodium carbonate
14. silver tarnishsilver sulfide
15. patina on the statue of libertycopper (II) sulfate
16. gas that smells like rotten eggshydrogen sulfide
17. main ingredient in Windexammonia
18. table sugarsucrose
19. vanillaC8H8O3
20. bleachNaClO
21. what you cant have until you are 21ethyl alcohol
22. active ingredient in asprinacetylscalicylic acid
23. acid used as an antisceptic and is also a flame retardantboric acid
24. drain cleanersodium hydroxide
25. compound that makes up egg shellscalcium carbonate
26. main ingredient in liquid papertitanium (IV) oxide
27. what were mothballs traditionally made out ofnaphthalene
28. quicklimeCaO
29. smelling salts(NH4)2CO3
30. vitamin that is found in orange juicevitamin C

 


Compound Scavenger Hunt: QR Challenge

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

Question 1 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 2 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 3 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 4 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 5 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 6 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 7 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 8 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 9 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 10 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 11 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 12 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 13 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 14 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 15 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 16 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 17 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 18 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 19 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 20 (of 30)

 


Compound Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=what_you_cant_have_until_you_are_21

Question 21 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 22 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 23 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 24 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 25 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 26 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 27 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 28 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 29 (of 30)

 


Compound Scavenger Hunt: QR Challenge

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

Question 30 (of 30)