Red Cabbage Indicator

Homemade indicator Equipment -Beaker of water -Mortar and pestle -Filter and filter paper -Bottle -Piece of Red Cabbage The best indicator is dark purple… not too watery! Method 1.Rip cabbage into small bits 2.Grind cabbage with the mortar and pestle 3.Add a little water 4.Filter the red cabbage solution into the bottle 5.Try to collect a quarter / half a bottle of solution 10 Minutes 10 Minutes

Red Cabbage pH scale neutral Strong acid Strong alkali

Equipment - Beaker of water - Mortar and pestle - Filter / filter paper - Bottle -Red Cabbage Task 1 On a piece of A4 paper 1.Write your name 2.Draw a labelled, scientific drawing, of the apparatus needed to make red cabbage indicator 3.Write a scientific method describing how to make red cabbage indicator. A good method should: Be detailed Be written in past tense Not use the words I, we or you

pH Poster Information Task  A ‘Universal Indicator’ pH scale  Instructions of how to make ‘Red Cabbage Indicator’  A ‘Red Cabbage Indicator’ pH scale  Examples of acids, alkalis and neutral substances Design Task  Colourful  Easy to read

BrainPop emistry/phscale/