6. Grade 5

Hi students,

Please do the following assignments

1. Read chapter 9 of your textbook (pages 217 ~ 221), find the meaning of the following terms and write them in your notebooks

frequency

wavelength

speed

compression

rarefraction

2. Read chapter 9 of your textbook (pages 224 ~ 227), find the meaning of the following terms and write them in your notebooks

pitch

volume

quality

timber

Cheers!