pH Scale
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Original Sim and Translations |
About
Topics
- pH
- Dilution
- Concentration
- Acids
- Bases
Description
Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize the relative number of hydroxide ions and hydronium ions in solution. Switch between logarithmic and linear scales. Investigate whether changing the volume or diluting with water affects the pH. Or you can design your own liquid!
Sample Learning Goals
- Determine if a liquid is acidic, basic, or neutral
- Place acids or bases in relative order
- Describe on a molecular scale, with illustrations, how the water equilibrium varies with pH
- Determine concentration of hydroxide, hydronium and water at a given pH
- Relate liquid color to pH
- Predict (qualitatively and quantitatively) how dilution and volume will affect the pH and concentration of hydroxide, hydronium and water
For Teachers
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Video Primer
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Teacher-Submitted Activities
| Title |
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Authors | Level | Type |
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| pH Scale inquiry-based intro to acid-base |
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Trish Loeblein | HS UG-Intro MS |
CQs Lab |
| PhET Sims Aligned to the Chemistry Curriculum |
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Julia Chamberlain | HS UG-Intro |
Other | |
| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | |
| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | |
| pH Learning Goals by developement team (Inquiry Based) |
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Trish Loeblein, Laurie Langdon | Other | Other | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | HS MS |
Other | ||
| On the molecular level, what is the difference between acids and bases? | Chris Justus | HS | Guided | ||
| What effect does dilution of an acid or base have on the pH of the solution? | Chris Justus | HS | Guided | ||
| Student Guide for PhET - pH Scale in html5 | Brian Libby | MS HS |
HW Guided |
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| pH Scale Guided Inquiry Activity | Tony Tracy | HS UG-Intro |
HW Lab Guided |
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| Exploring the pH Scale | Lyric Portwood | MS HS |
Guided | ||
| Introduction to acids & bases | Donna Brewster | HS | Guided | ||
| build-a-fraction | mohameed majeed | MS HS |
Other |
Browse more activities.
Translations
| Language | Download or Run | Tips | |||
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| Arabic | All العربية |
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pH Scale | |
| Bosnian | All Bosanski |
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pH skala | |
| Chinese (Simplified) | All 中文 (中国) |
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PH值 | |
| Chinese (Traditional) | All 中文 (台灣) |
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酸鹼性_pH Scale | |
| Croatian | All hrvatski |
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pH skala | |
| Czech | All čeština |
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pH stupnice | |
| Danish | All Dansk |
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pH-skala | |
| Dutch | All Nederlands |
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pH schaal | |
| Estonian | All Eesti |
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pH skaala | |
| Finnish | All suomi |
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pH asteikko | |
| French | All français |
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pH Scale | |
| German | All Deutsch |
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pH Skala | |
| Greek | All Ελληνικά |
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Κλίμακα pH | |
| Hebrew | All עברית |
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סולם pH | |
| Hungarian | All magyar |
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pH skála | |
| Italian | All italiano |
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Scala del pH | |
| Kannada | All Kannada |
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pH ನ ಪ್ರಮಾಣ | |
| Korean | All 한국어 |
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pH 척도 | |
| Latvian | All Latviešu |
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pH skala | |
| Norwegian Bokmal | All Norsk bokmål |
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pH-skala | |
| Polish | All polski |
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Skala pH | |
| Portuguese (Brazil) | All português (Brasil) |
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Escala de pH | |
| Sinhalese | All Sinhalese |
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pH පරිමාණය | |
| Slovak | All Slovenčina |
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pH škála | |
| Slovenian | All Slovenščina |
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pH lestvica | |
| Spanish (Peru) | All español (Perú) |
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Escala de pH | |
| Tamil | All Tamil |
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pH பெறுமானம் | |
| Thai | All ไทย |
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pH Scale | |
| Vietnamese | All Tiếng Việt |
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Thang đo pH |
Related Simulations
Software Requirements
| Windows 7+ | Mac OS 10.7+ | iPad and iPad Mini with iOS | Chromebook with Chrome OS |
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Internet Explorer 10+ latest versions of Chrome and Firefox
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Safari 6.1 and up latest versions of Chrome and Firefox
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latest version of Safari
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latest version of Chrome
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Credits
| Design Team | Third-party Libraries | Thanks To |
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