1. Please write down :
(a) a liquid metal( 含7 個英文單字)
一種液態金屬
(b) a small device for showing Brownian motion( 含9 個英文單字)
一種可以表現出布朗運動的裝置
(不 含 空 格)
2. Can the rubber sucker stick to a piece of sand paper? Why?
橡膠吸盤可以粘住在砂紙上嗎?
The surface of the sand paper is _____________ .
砂紙的表面是________________ .
____________ are still trapped between the rubber sucker and the sand paper when the rubber sucker is pressed.
當橡膠吸盤被擠壓時,在橡膠吸盤和砂紙中間的______________________會被截留 .
