See Sound 3: Interference of Sound Polee's group

Assalamualaikum and have a good day, now  I would like to share the experiment, data and analysis by Polee's group.

 students collecting information on their pevious knowledge

Teacher generate desired frequency by generating waves (Visual Analyser )

Presentation and discussion

Aim: To study the relationship between a and x

Variables: mv: a                rv:  x                cv:  𝞴 and D

Example of SPM question (Paper 3: Section C)

keyword: adjust the separation between two loudspeakers, a (mv)

so that more rows can hear loud sound, x (rv)

Tabulate data:

Graph:

Analysis and discussion:

video of analysing data by Polee. i think it is clear enough that I dont have to explain further. Imagine if we can implement the buddy system as extension to the activity. How meaningful it can provide to our student? 

Thats a lot isn't for one week lesson. Alhamdulillah we manage to finish the lesson by implementing PBL (Problem Based Learning) and EBL (Evidence Based Learning). Again, no hard work for the teacher and hopefully with the group discussion and role playing, Everyone will benefit from these activities.

Answer for SPM standard: