pH Scale inquiry-based intro to acid-base A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Title pH Scale inquiry-based intro to acid-base
Description This is an inquiry based activity to introduce pH. The lessons can be used with the Java or html5 sim. I plan to write a quantative activity soon. Learning goals: Determine if a solution is acidic or basic using pH; H3O+/OH- ratio (molecular size representation of just the ions in the water equilibrium);Hydronium/Hydroxide concentration 2.Relate liquid color to pH. 3.Predict if dilution and volume will increase, decrease or not change the pH 4.Organize a list of liquids in terms of acid or base strength in relative order with supporting evidence. 5.Write the water equilibrium expression. Describe how the water equilibrium varies with pH.
Subject Biology, Chemistry, Earth Science
Level High School, Middle School, Undergrad - Intro
Type Concept Questions, Lab
Duration 60 minutes
Answers Included No
Language English
Keywords acid, base, equilibrium, ions, ph, phet, water
Simulation(s) Skala pH (HTML5), Skala pH


Author(s) Trish Loeblein
Contact Email patricia.loeblein@colorado.edu
School / Organization PhET
Date submitted 09/04/06
Date updated 15/05/27