Show this classic video. https://www.youtube.com/watch?v=5s5c08t_bBw

For this investigation each student group (of two) will: 

1. Tune two water bottles to one note and the same note one octave higher. For example: C4 (lower tone) and C5 (higher tone). Use a permanent marker to annotate the water bottle.
2. Make a video recording. Include the following:
   
   1. Record the playing of both notes. Let the viewer know which note is being played.
   2. Include at least one recording of the process of tuning using the online (share screen while playing the note)
3. Upload video to Teams assignment.

Tuner: https://www.flutetunes.com/tuner/

Online Piano: https://www.onlinepianist.com/virtual-piano

Video Recording

If you record using Teams chat, your video should be saved in Microsoft Stream. They link may be shared and submitted in assignments.

Additonal Resources

Desmos Model of Standing Waves: https://www.desmos.com/calculator/2imw3s3cy4

Nodes and antinodes: https://www.youtube.com/watch?v=ShwyuNFCM5U

Standing waves in open tubes: https://www.youtube.com/watch?v=BhQUW9s-R8M

Frequencies: https://www.youtube.com/watch?v=RUpjYDteYcg

Sound and resonance in open pipes: https://www.youtube.com/watch?v=w2Im3VN05-s

Calculating tube length: https://www.youtube.com/watch?v=wMZmelSt2YM