我就喜歡這樣的妳

For advocating STEM activities, we work together to think games with science. 

Make a rainbow 

make the rainbow layer by adding different concentration of sugar / salt  water. 

the higher concentration, the heavier so that it would stay in the lowest layer.  

 FBI - How to take your fingerprint 

everyone's fingerprnt is unique. 

 princle of leverage 

try to make the highest jump of the ball. 

 brainstorming - save Fred