finally... it success.

Friday .....

after school we stay back for our physic project (launch the rocket)

actually we already launch the rocket on Monday but it doesn't success ,

so, we relaunch again on Friday ,

and finally we get it right , but the stopwatch doesn't work... (zadao)

so we keep on launching  again n again until it works....

and at the end .... THE real finally ,  it works we success !!! ( Yeah!)

n we get the highest mark in the class.... ( haha ) 

happy leh.....