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QR Challenge: Organizing 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. patterns appeared when he arranged the elements in order of increasing atomic mass3
2. Recognized a set of patterns that applied to all elements.1
3. periodic table7
4. the average mass of all the isotopes of that element2
5. The properties of an element can be predicted from its location in the periodic table.9
6. atomic number8
7. three5
8. Tin17A
9. 5017D
10. B,C,12
11. chemical symbol15
12. in a regular, repeated pattern6
13. true4
14. Sn17b
15. true11
16. The symbols of some elements come from their Latin names.16
17. 118.617C
18. period10
19. Each calcium atom has 20 protons and 20 electrons14
20. B13

 


Organizing the elements: QR Challenge

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

Question 1 (of 20)

 


Organizing the elements: QR Challenge

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

Question 2 (of 20)

 


Organizing the elements: QR Challenge

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

Question 3 (of 20)

 


Organizing the elements: QR Challenge

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

Question 4 (of 20)

 


Organizing the elements: QR Challenge

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

Question 5 (of 20)

 


Organizing the elements: QR Challenge

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

Question 6 (of 20)

 


Organizing the elements: QR Challenge

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

Question 7 (of 20)

 


Organizing the elements: QR Challenge

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

Question 8 (of 20)

 


Organizing the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=50

Question 9 (of 20)

 


Organizing the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=B,C,

Question 10 (of 20)

 


Organizing the elements: QR Challenge

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

Question 11 (of 20)

 


Organizing the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=in_a_regular,_repeated_pattern

Question 12 (of 20)

 


Organizing the elements: QR Challenge

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

Question 13 (of 20)

 


Organizing the elements: QR Challenge

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

Question 14 (of 20)

 


Organizing the elements: QR Challenge

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

Question 15 (of 20)

 


Organizing the elements: QR Challenge

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

Question 16 (of 20)

 


Organizing the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=118.6

Question 17 (of 20)

 


Organizing the elements: QR Challenge

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

Question 18 (of 20)

 


Organizing the elements: QR Challenge

https://www.classtools.net/QR/decode.php?text=Each_calcium_atom_has_20_protons_and_20_electrons

Question 19 (of 20)

 


Organizing the elements: QR Challenge

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

Question 20 (of 20)