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QR Challenge: the elements

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 is the symbol for iron?Fe
2. What is the symbol for potassium?K
3. what is the atomic mass for chlorine?35.45
4. how do you find the protons?atomic number
5. how do you find the neutrons?atomic mass - atomic number
6. how do you find the electrons?protons - ions
7. how do you find the ions?protons - electrons
8. how many electrons are in silicon?14
9. how many electrons does sodium have?10
10. how many neutrons does chlorine have?18
11. what is the symbol for argon?Ar
12. what is the atomic number for titanium?22
13. what is the atomic number for zinc?30
14. what is the symbol for manganese?Mn
15. what is the atomic number for scandium?21
16. how do u find the neutrons without the atomic mass?protons+ionsh
17. what is the atomic mass for Copper?63.55
18. what is the atomic mass for iron?55.85
19. what is the symbol for chromium?Cr
20. what is the atomic mass for calcium?40.08

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q1/20:

What is the symbol for iron?&choe=UTF-8

Question 1 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q2/20:

What is the symbol for potassium?&choe=UTF-8

Question 2 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q3/20:

what is the atomic mass for chlorine?&choe=UTF-8

Question 3 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q4/20:

how do you find the protons?&choe=UTF-8

Question 4 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q5/20:

how do you find the neutrons?&choe=UTF-8

Question 5 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q6/20:

how do you find the electrons?&choe=UTF-8

Question 6 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q7/20:

how do you find the ions?&choe=UTF-8

Question 7 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q8/20:

how many electrons are in silicon?&choe=UTF-8

Question 8 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q9/20:

how many electrons does sodium have?&choe=UTF-8

Question 9 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q10/20:

how many neutrons does chlorine have?&choe=UTF-8

Question 10 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q11/20:

what is the symbol for argon?&choe=UTF-8

Question 11 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q12/20:

what is the atomic number for titanium?&choe=UTF-8

Question 12 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q13/20:

what is the atomic number for zinc?&choe=UTF-8

Question 13 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q14/20:

what is the symbol for manganese?&choe=UTF-8

Question 14 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q15/20:

what is the atomic number for scandium?&choe=UTF-8

Question 15 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q16/20:

how do u find the neutrons without the atomic mass?&choe=UTF-8

Question 16 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q17/20:

what is the atomic mass for Copper?&choe=UTF-8

Question 17 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q18/20:

what is the atomic mass for iron?&choe=UTF-8

Question 18 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q19/20:

what is the symbol for chromium?&choe=UTF-8

Question 19 (of 20)

 


the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=the elements
Q20/20:

what is the atomic mass for calcium?&choe=UTF-8

Question 20 (of 20)