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QR Challenge: Physical and Chemical Properties & Changes

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. blue colorp
2. densityp
3. flammabilityc
4. solubilityp
5. reacts with acidc
6. supports combustionc
7. sour tastep
8. melting pointp
9. reacts with waterc
10. hardnessp
11. boiling pointp
12. lusterp
13. odorp
14. reacts with airc
15. NaCl (table salt) dissolves in waterP
16. Ag (silver) tarnishesc
17. An apple is cutp
18. Heat Changes water to steamp
19. baking soda reacts with vinegarc
20. Fe(Iron) rustsc
21. Alcohol Evaporatesp
22. Ice Meltsp
23. Milk Soursc
24. Sugar dissolves in waterp
25. Wood rotsc
26. Pancakes Cookc
27. Grass Growsp
28. A tire is inflatedp
29. Food is digestedc
30. Paper towel absorbs waterp
31. An ice cube is placed in the sun, becomes a puddle of water and later the puddle is gonep
32. Two chemicals are mixed together and a gas is producedc
33. A bicycle changes color as it rustsc
34. A solid is crushed to a powderp

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 1 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 2 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 3 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 4 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 5 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 6 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 7 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 8 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 9 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 10 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 11 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 12 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 13 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 14 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

https://www.classtools.net/QR/decode.php?text=NaCl_(table_salt)_dissolves_in_water

Question 15 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

https://www.classtools.net/QR/decode.php?text=Ag_(silver)_tarnishes

Question 16 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 17 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 18 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 19 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fe(Iron)_rusts

Question 20 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 21 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 22 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 23 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 24 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 25 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 26 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 27 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 28 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 29 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 30 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

https://www.classtools.net/QR/decode.php?text=An_ice_cube_is_placed_in_the_sun,_becomes_a_puddle_of_water_and_later_the_puddle_is_gone

Question 31 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 32 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 33 (of 34)

 


Physical and Chemical Properties & Changes: QR Challenge

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

Question 34 (of 34)