Yenj Wu Trusted Teacher

2-1槓桿原理

yenj wu 177 plays

2-3滑輪

yenj wu 190 plays

2-2輪軸

yenj wu 370 plays

槓桿的應用

yenj wu 126 plays

1-3摩擦力

yenj wu 206 plays

力的大小和方向

yenj wu 161 plays

1-2力的測量

yenj wu 133 plays

1-1力的種類

yenj wu 169 plays

3-3地震與防災練習題

yenj wu 297 plays

地震與防災

yenj wu 399 plays

3-2岩石、礦物與土壤練習題

yenj wu 218 plays

3-1流水的作用練習題

yenj wu 122 plays

岩石、化石和土壤

yenj wu 199 plays

岩石和礦物

yenj wu 193 plays

3-1流水的作用

yenj wu 236 plays

2-4噪音與防治練習題

yenj wu 123 plays

2-3自製樂器練習題

yenj wu 235 plays

2-2多樣的聲音測驗題

yenj wu 144 plays

吉他

yenj wu 287 plays

直笛

yenj wu 380 plays

鐵琴

yenj wu 288 plays

2-1聲音的產生與傳播測驗題

yenj wu 244 plays

2-1聲音的產生與傳播

yenj wu 257 plays

1-3颱風與防災

yenj wu 459 plays

1-2認識天氣圖測驗題

yenj wu 459 plays

1-1大氣中的水測驗題

yenj wu 652 plays

認識颱風

yenj wu 409 plays

氣團和鋒面

yenj wu 426 plays

水的形態

yenj wu 490 plays

認識地面天氣圖

yenj wu 1,066 plays