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QR Challenge: C2 Topic 1 Revision

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 information did Mendeleev use when constructing the periodic table?
2. Why are there some gaps in Mendeleev's periodic table?
3. How had elements been classified prior to Mendeleev and what was one error with this system?
4. Find a diagram of a Periodic Table - Shade the metals and non-metals two different colours
5. Draw a table showing the size and relative mass of protons, electrons and neutrons
6. What are electron shells?
7. What is the octet rule?
8. Draw an atom of Chlorine
9. Draw an atom of Sodium
10. Draw a molecule of Carbon Dioxide
11. Recall the football stadium analogy about the relative size of an atom
12. What does the proton number represent?
13. What does the mass number represent?
14. Why are the number of protons and electrons equal?
15. Describe both an ion and an isotope
16. Label the direction of both periods and groups on to your periodic table
17. Why are some mass numbers NOT whole numbers?
18. What is the link between the group in the periodic table an element is placed in and its configuration
19. What is the link between the period in the periodic table an element is placed in and its configuration

 


C2 Topic 1 Revision: QR Challenge

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

Question 1 (of 19)

 


C2 Topic 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=Why_are_there_some_gaps_in_Mendeleev's_periodic_table?

Question 2 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 3 (of 19)

 


C2 Topic 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_a_diagram_of_a_Periodic_Table_-_Shade_the_metals_and_non-metals_two_different_colours

Question 4 (of 19)

 


C2 Topic 1 Revision: QR Challenge

https://www.classtools.net/QR/decode.php?text=Draw_a_table_showing_the_size_and_relative_mass_of_protons,_electrons_and_neutrons

Question 5 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 6 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 7 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 8 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 9 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 10 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 11 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 12 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 13 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 14 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 15 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 16 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 17 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 18 (of 19)

 


C2 Topic 1 Revision: QR Challenge

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

Question 19 (of 19)