Last lesson Chromatography. Chromatography chromatography paper.
Post on 28-Dec-2015
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ChromatographyOrigin line drawn in pencil with a rulerDoes not dissolve in waterabout 2 cm
ChromatographyFour evenly spaced crosses drawn in pencil
ChromatographyFour small dots made with different felt tip pens
ChromatographyDots must be above water levelDont slosh the water about!
ChromatographyMake sure you take it out before the water reaches the top!
Another type of chromatogram
HomeworkUse at least 4 diagrams to show how to make a chromatogram. Can you also stick in the two chromatograms that you made?Due Friday 30th April
Todays lesson - Who murdered Mr Scott?
Todays lessonSeparating sand and salt
Separating sand and saltCan you stick the instructions in the book and read carefully?