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QR Challenge: Exploring Sounds

Created using the ClassTools QR Treasure Hunt Generator

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. How is sound measured?kilohertz
2. What is the most popular audio format on the web?mp3
3. A compressed audio file used for audio and video?mp4
4. What is the process called when audio is extracted from a cd?ripping
5. What is the term referring to the number of times per second that audio is sampled?sampling rate
6. Audio format designed for Windows Media Player?wma
7. Uncompressed audio format for commonly used on windows plateform?wav
8. Audio format designed for Windows Media Player?wma
9. Audio signal divided into 2 channels?stereo

 



Exploring Sounds: QR Challenge

https://www.classtools.net/QR/decode.php?text=Exploring Sounds
Q1/9:

How is sound measured?&choe=UTF-8

Question 1 (of 9)

 



Exploring Sounds: QR Challenge

https://www.classtools.net/QR/decode.php?text=Exploring Sounds
Q2/9:

What is the most popular audio format on the web?&choe=UTF-8

Question 2 (of 9)

 



Exploring Sounds: QR Challenge

https://www.classtools.net/QR/decode.php?text=Exploring Sounds
Q3/9:

A compressed audio file used for audio and video?&choe=UTF-8

Question 3 (of 9)

 



Exploring Sounds: QR Challenge

https://www.classtools.net/QR/decode.php?text=Exploring Sounds
Q4/9:

What is the process called when audio is extracted from a cd?&choe=UTF-8

Question 4 (of 9)

 



Exploring Sounds: QR Challenge

https://www.classtools.net/QR/decode.php?text=Exploring Sounds
Q5/9:

What is the term referring to the number of times per second that audio is sampled?&choe=UTF-8

Question 5 (of 9)

 



Exploring Sounds: QR Challenge

https://www.classtools.net/QR/decode.php?text=Exploring Sounds
Q6/9:

Audio format designed for Windows Media Player?&choe=UTF-8

Question 6 (of 9)

 



Exploring Sounds: QR Challenge

https://www.classtools.net/QR/decode.php?text=Exploring Sounds
Q7/9:

Uncompressed audio format for commonly used on windows plateform?&choe=UTF-8

Question 7 (of 9)

 



Exploring Sounds: QR Challenge

https://www.classtools.net/QR/decode.php?text=Exploring Sounds
Q8/9:

Audio format designed for Windows Media Player?&choe=UTF-8

Question 8 (of 9)

 



Exploring Sounds: QR Challenge

https://www.classtools.net/QR/decode.php?text=Exploring Sounds
Q9/9:

Audio signal divided into 2 channels?&choe=UTF-8

Question 9 (of 9)