1) How many states of matter a) 5 b) 3 c) 2 d) 1 2) When we heat water a) Evaporate b) Change into gas c) Not change d) Become ice 3) We need for breathing a) Air b) Water c) Gas d) Oxygen 4) Solid is hard a) Because of its molecules b) Because of its shape c) Both opt a and b d) None of above 5) Any thing that take space a) Solid b) Gas c) Liquid d) Matter

science

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?