Index of /activity/grade8/science/sci_sound_grade8/images/page4

[ICO]NameLast modifiedSizeDescription

[PARENTDIR]Parent Directory  -  
[IMG]high.png2026-02-09 15:50 73K 
[IMG]highwave.png2026-02-09 15:50 3.3K 
[IMG]loud.png2026-02-09 15:50 59K 
[IMG]loudwave.png2026-02-09 15:50 3.1K 
[IMG]low.png2026-02-09 15:50 91K 
[IMG]lowwave.png2026-02-09 15:50 3.1K 
[IMG]propofsoundbg.png2026-02-09 15:50 194K 
[IMG]sameamplitude.png2026-02-09 15:50 22K 
[IMG]samefrequency.png2026-02-09 15:50 18K 
[IMG]soft.png2026-02-09 15:50 46K 
[IMG]softwave.png2026-02-09 15:50 2.4K