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QR Challenge: Periodic Table

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. My atomic number is 47 and I am used to make photographic filmSilver
2. I have 20 neutrons and I am found in your teeth and bonesCalcium
3. I am a member of the nitrogen family with 16 neutronsPhosphorus
4. I am a gas with 19 as my Atomic MassFluorine
5. I am the first element in the fourth period and I am used in making fertilizerPotassium
6. 35.453 is my Atomic MassChlorine
7. 79 is my atomic numberGold
8. I am a transition metal with 25 electronsManganese
9. I am a noble gas with 2 electronsHelium
10. I am the only element in the halogen family that is a liquidBromine
11. I have 38 protons and am a member of the alkaline earth metals used to make fireworksStrontium
12. I am a metal that is liquid at room temperatureMercury
13. I am not really an alkali metal, but since I only have 1 electron I behave like themHydrogen
14. I am a gas with 8 protons and 8 neutronsOxygen
15. I am a metal that can melt in the warmth of your handGallium
16. I am considered the "father" of the periodic tableMendeleev
17. We are the only two non-silvery metals on the periodic tableGold and Copper
18. I am the heaviest naturally occurring element on the periodic tableUranium
19. I can be found in family 15 and Iam commonly used in rat poison and insecticidesArsenic
20. I have 118 protons and my atomic mass is 294, how many neutrons do I have176
21. The human body contains enough of me to make 9,000 pencilsCarbon
22. This is the only letter of the alphabet that does not appear in the periodic tableJ

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=My-atomic-number-is-47-and-I-am-used-to-make-photographic-film

Question 1 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-have-20-neutrons-and-I-am-found-in-your-teeth-and-bones

Question 2 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-a-member-of-the-nitrogen-family-with-16-neutrons

Question 3 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-a-gas-with-19-as-my-Atomic-Mass

Question 4 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-the-first-element-in-the-fourth-period-and-I-am-used-in-making-fertilizer

Question 5 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=35.453-is-my-Atomic-Mass

Question 6 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=79-is-my-atomic-number

Question 7 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-a-transition-metal-with-25-electrons

Question 8 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-a-noble-gas-with-2-electrons

Question 9 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-the-only-element-in-the-halogen-family-that-is-a-liquid

Question 10 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-have-38-protons-and-am-a-member-of-the-alkaline-earth-metals-used-to-make-fireworks

Question 11 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-a-metal-that-is-liquid-at-room-temperature

Question 12 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-not-really-an-alkali-metal,-but-since-I-only-have-1-electron-I-behave-like-them

Question 13 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-a-gas-with-8-protons-and-8-neutrons

Question 14 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-a-metal-that-can-melt-in-the-warmth-of-your-hand

Question 15 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-considered-the-"father"-of-the-periodic-table

Question 16 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=We-are-the-only-two-non-silvery-metals-on-the-periodic-table

Question 17 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-am-the-heaviest-naturally-occurring-element-on-the-periodic-table

Question 18 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-can-be-found-in-family-15-and-Iam-commonly-used-in-rat-poison-and-insecticides

Question 19 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=I-have-118-protons-and-my-atomic-mass-is-294,-how-many-neutrons-do-I-have

Question 20 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=The-human-body-contains-enough-of-me-to-make-9,000-pencils

Question 21 (of 22)

 


Periodic Table: QR Challenge

https://www.classtools.net/QR/decode.php?text=This-is-the-only-letter-of-the-alphabet-that-does-not-appear-in-the-periodic-table

Question 22 (of 22)