pH Scale activity

Chemistry, Chemical Reactions, Organic Chemistry, Earth Resources and Metals, Primary Chemistry, Age 7-11, Age 11-14, Age 14-16, Age 16-18

Flexible way of teaching pH scale. Tried and tested on primary, KS3 and KS4 students and worked well. Enjoyable activities and guessing games. Examples of materials and makes more sense to all students to fold original scale into a 'V' to remember which is high and low on the scale. Can use last slides to show how neutralisation works.


1Answer the following questions on the diagram…What is the name of this scale? Where do the numbers go and in what order? Where is high and low? Where is alkali, acid and neutral found? © Teachable and Sarah Parker. Some rights reserved. http://teachable.net/res.asp?r=49012The p_ S_ _ _ _© Teachable and Sarah Parker. Some rights reserved. http://teachable.net/res.asp?r=49013Well done….Now try filling in the example materials where they would measure on the scale… Bleach/Oven cleaner Battery acid Water Ammonia (glass cleaner) Black coffee Sea water Baking soda Orange juice Tomato juice & acid rain Soapy water Lemon juice & vinegar Stomach acid Drain cleaner Milk of magnesia (heartburn/indigestion treatment Urine/Saliva & milk © Teachable and Sarah Parker. Some rights reserved. http://teachable.net/res.asp?r=49014ACTIVITY – weblinkBattery acidstomach acidLemon juice/VinegarOrange juiceTomato Juice/Acid rainBlack coffeeUrine/Saliva MilkPure waterDrain cleanerBleaches/Oven cleanerSoapy waterAmmonia (glass cleaner, detergents)Milk of magnesia (indigestion/heartburn)Sea waterBaking SodaThe pH Scale© Teachable and Sarah Parker. Some rights reserved. http://teachable.net/res.asp?r=4901