以色列sabimama民宿

這個星期五前，妹妹需要完成英文家教的指定作業－－－唸完文章後，回答後面的問題。在念文章前，先看完影片，以助於理解與加深印象。

The law of conservation of mass 
https://www.youtube.com/watch?v=2S6e11NBwiw

What Is The Law of Conservation of  Mass | Chemistry for All | FuseSchool
https://www.youtube.com/watch?v=JCyjLPYXl1I

Law of Conservation of Mass experiment
https://www.youtube.com/watch?v=FZwHH7Sm4hI

Demo - Conservation of Matter
https://www.youtube.com/watch?v=Wwmsy4huZQ0

Vacation or Conservation (Of Mass): Crash Course Kids #23.1
https://www.youtube.com/watch?v=3lHHOiTdmK4

5b Conservation of Matter
https://www.youtube.com/watch?v=0CF-HP5ukU4

Law of  Conservation of Matter
https://www.youtube.com/watch?v=H_oub1RZf_Y

Law of Conservation of Mass experiment | Law of conservation of matter | Chemistry
https://www.youtube.com/watch?v=mcnga-bbNXk

Antoine Lavoisier - conservation of mass
https://www.youtube.com/watch?v=x9iZq3ZxbO8

Law of conservation of matter (or mass)
https://www.youtube.com/watch?v=4PJOq30dwvo

Chemistry - Physical and Chemical Change: Conservation of Mass
https://www.youtube.com/watch?v=wyh7ARjO2_M