Page 17 - Microsoft Word - 01 A. Sound Overview
P. 17
Year 1 Science – Managing materials – week 4
3ODVWLF LV PDGH IURP B B B
,W FDQ EH B B B B B B B LQWR DQ\ VKDSH
:KDW PDWHULDO GLG SHRSOH XVH EHIRUH SODVWLF"
Now (the present) 1920s
D SODVWLF EDJ
D SODVWLF EXFNHW
D SODVWLF FXS
SODVWLF EULFNV /HJR RU 'XSOR
SODVWLF VKRHV
FOLQJ ILOP
D SODVWLF GUDLQ SLSH
D SODVWLF IRRWEDOO
D SODVWLF FORWKHV SHJ
D SODVWLF GXVWELQ
7KDQN <RX *RG IRU WKLV
BBBBBBBBBBBBBBBBB PDWHULDO