能量轉換問題(10點)

a.When town gas burns , __________ is converted into __________ for cooking .
當煤氣燃燒時 , __能轉化成__能來煮食 .

b.A solar panel converts __________ is converted into __________ .
一塊太陽能電池板的能量轉換是由__能轉化成__能 .

c.When a roller-coaster goes down , __________ is converted into __________ .
當過山車向下衝時 , __能轉化成__能 .

d.When a stretched bow is released , __________ is converted into __________ .
當拉緊的弓放鬆時 , __能轉化成__能 .

e.When a lift is going up , __________ is converted into __________ .
當一部升降機上升時 , __能轉化成__能 .

f.When the boy walks up the stairs , his __________ energy increases .
當一個男子走上樓梯時 , 他的__能增加 .

g.When a boy down from the slide , __________ energy changes into __________ ener-gy .
當一個男子從滑梯上滑下來時 , __能轉化成__能 .