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QR Challenge: Physical or Chemical?

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. chemical1. corrosion of a pipe
2. chemical2. wood rotting
3. physical3. ice melting
4. chemical4. milk sours
5. physical5. grinding a piece of corn
6. physical6. inflating a tire
7. physical7. slicing bread
8. chemical8. food being digested
9. physical9. evaporation of sweat
10. chemical10. leaves changing colors in the fall
11. physical11. a paper towel absorbing water
12. chemical12. baking a cake
13. physical13. dying a t-shirt green
14. chemicalmarshmallow + fire -> charred pieces
15. physicalsalt + water -> saltwater
16. chemicalwater + carbon dioxide + sunlight -> sugar + oxygen

 


Physical or Chemical?: QR Challenge

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

Question 1 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 2 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 3 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 4 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 5 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 6 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 7 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 8 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 9 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 10 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 11 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 12 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 13 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 14 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 15 (of 16)

 


Physical or Chemical?: QR Challenge

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

Question 16 (of 16)