Things to do today (22/6, Mon)‏

Dear all,

Apologies for the cancellation of class today. Miss Chang is getting the flu...don't worry it's probably not the swine one, but just in case. But don't think it's a day off...cause I have planned things for you to do @ home! *evil laugh*
Ok, please read up the following pages in your textbook - pg 108 to 125 (i.e. the remainder of Chapter C3 and Chapter C4.1-4.3)

Videos on Demand
Click on the links below to learn more about the different separation techniques used to separate the different components in a mixture.

Difference between Mixtures and Compounds
http://www.bbc.co.uk/schools/ks3bitesize/science/chemistry/elements_com_mix_6.shtml


Separation Techniques
http://library.thinkquest.org/11430/research/techniques.htm
(Click only on: Filtration, Evaporation, Distillation, Fractional Distillation, Chromatography)

http://www.bbc.co.uk/schools/ks3bitesize/science/chemistry/elements_com_mix_8.shtml


Evaporation
http://www.thenakedscientists.com/HTML/content/kitchenscience/exp/how-you-could-drink-your-own-urine-safely/
(pls don’t try this at home! Not with real urine!)


Crystallization
http://www.thenakedscientists.com/HTML/content/kitchenscience/exp/crystals-on-a-piece-of-wool/


Distillation
http://www.youtube.com/watch?v=Uep3AxaAqLw
http://www.youtube.com/watch?v=kMSwA93ap-M


Chromatography
http://www.youtube.com/watch?v=Oy_yTOwyRLM&feature=related
http://www.youtube.com/watch?v=-fs5btFKdXA&feature=related


Separation of non-soluble liquids
http://www.youtube.com/watch?v=vcwfhDhLiQU&feature=related


Separation of magnetic materials
http://www.thenakedscientists.com/HTML/content/kitchenscience/exp/magnetic-cereal-1/


I'm also going to give you a quiz on all the chapters that was tested for your Mid-Year Exam...so better go revise on the chapters!

ps: pls make sure everyone gets this information! Thanks! See you all on Tues (23/6) and Wed (24/6), @ 10am-12pm!

Rgds, Miss Chang.