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Year 1 Science – Ears to hear - week 5
Making Sounds Louder
0RVW LQVWUXPHQWV KDYH VRPHWKLQJ WR PDNH WKH PXVLFDO VRXQG ORXGHU
1DPH WKH LQVWUXPHQWV EHORZ DQG WLFN WKH ULJKW ER[HV
skin box Mouthpiece bell
box strings
High Notes or Low Notes
6RPH VRXQGV DUH KLJK 2WKHU VRXQGV DUH ORZ :ULWH H RU L WR VD\ ZKHWKHU
WKHVH LQVWUXPHQWV PDNH high RU low VRXQGV
Water-
levels
