this is the picture of the singaporean athelets who won the silver medal after a very long medal drought

2008 Beijing, China 2004 Athens, Greece 1972 Munich, Germany

athlets of 2008 olympic

usain bolt
http://www.nbcolympics.com/athletes/athlete=271/bio/index.html
michael phelps
http://www.nbcolympics.com/athletes/athlete=2/bio/index.html

1)what i enjoyed most in this chapter:
sci:the video maths:the reward
2) what i think i did well in this chapter:
sci:the test maths:the results i get for the 2.1-2.7 test
3)what i found difficult or confusing:
sci:the side view and labelling of reproductive organs maths:the factorisation formula
4)what i can improve:
sci:do more practices on them maths:do more practice