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QR Challenge: Wave Speed calculations

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. 1.Frequency = 10Hz Wavelength = 3m 30
2. 2.Frequency = 2 Hz Wavelength = 8m 16
3. 3.Frequency = 3 Hz Wavelength = 6m 18
4. 4.Frequency = 12 Hz Wavelength = 4m 48
5. 5.Frequency = 35 Hz Wavelength = 0.5m 17.5
6. 6.Wavelength = 3 Hz Speed = 0.9m/s 0.3
7. 7.Speed = 0.9m/s Frequency = 0.3Hz 2
8. 8.Frequency= 4Hz Speed= 8m/s 0.5
9. 9.Speed=12m/s Wavelength = 0.5m 14
10. 10.Frequency = 31Hz Speed=310 000m/s 10000
11. 11.Frequency = 1KHz Wavelength = 24m 24000
12. 12.Frequency = 30Hz Wavelength = 1Km 30000
13. 13.Frequency = 16Hz Wavelength = 2Km 32000
14. 14.Frequency = 204Hz Wavelength = 4cm 8.16
15. 15.Frequency = 3KHz Wavelength = 1.5m 4500
16. 16.Speed=276000m/s Frequency=12KHz 23
17. 17.Speed=65000m/s Frequency=5KHz 13
18. 18.Frequency=23Hz Wavelength=25cm 5.75
19. 19.Speed=0.48m/s Wavelength=4mm 120
20. 20.Frequency=3KHz Wavelength=2cm 60

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q1/20:

1.Frequency = 10Hz Wavelength = 3m &choe=UTF-8

Question 1 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q2/20:

2.Frequency = 2 Hz Wavelength = 8m &choe=UTF-8

Question 2 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q3/20:

3.Frequency = 3 Hz Wavelength = 6m &choe=UTF-8

Question 3 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q4/20:

4.Frequency = 12 Hz Wavelength = 4m &choe=UTF-8

Question 4 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q5/20:

5.Frequency = 35 Hz Wavelength = 0.5m &choe=UTF-8

Question 5 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q6/20:

6.Wavelength = 3 Hz Speed = 0.9m/s &choe=UTF-8

Question 6 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q7/20:

7.Speed = 0.9m/s Frequency = 0.3Hz &choe=UTF-8

Question 7 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q8/20:

8.Frequency= 4Hz Speed= 8m/s &choe=UTF-8

Question 8 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q9/20:

9.Speed=12m/s Wavelength = 0.5m &choe=UTF-8

Question 9 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q10/20:

10.Frequency = 31Hz Speed=310 000m/s &choe=UTF-8

Question 10 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q11/20:

11.Frequency = 1KHz Wavelength = 24m &choe=UTF-8

Question 11 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q12/20:

12.Frequency = 30Hz Wavelength = 1Km &choe=UTF-8

Question 12 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q13/20:

13.Frequency = 16Hz Wavelength = 2Km &choe=UTF-8

Question 13 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q14/20:

14.Frequency = 204Hz Wavelength = 4cm &choe=UTF-8

Question 14 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q15/20:

15.Frequency = 3KHz Wavelength = 1.5m &choe=UTF-8

Question 15 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q16/20:

16.Speed=276000m/s Frequency=12KHz &choe=UTF-8

Question 16 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q17/20:

17.Speed=65000m/s Frequency=5KHz &choe=UTF-8

Question 17 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q18/20:

18.Frequency=23Hz Wavelength=25cm &choe=UTF-8

Question 18 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q19/20:

19.Speed=0.48m/s Wavelength=4mm &choe=UTF-8

Question 19 (of 20)

 


Wave Speed calculations: QR Challenge

https://www.classtools.net/QR/decode.php?text=Wave Speed calculations
Q20/20:

20.Frequency=3KHz Wavelength=2cm &choe=UTF-8

Question 20 (of 20)