pH Scale: Basics
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About
Topics
- pH
- Acids
- Bases
- Dilution
Description
Test the pH of everyday liquids such as coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Investigate how adding more of a liquid or diluting with water affects pH.
Sample Learning Goals
- Determine if a solution is acidic, basic or neutral
- Place acids or bases in order of relative acidity or basicity
- Relate liquid color to pH
- Predict how solution volume or dilution with water will affect the pH of acids or bases
For Teachers
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Teacher-Submitted Activities
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Authors | Level | Type |
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| How Does Dilution Affect pH Levels of Acids and Bases? |
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Jocelyn Gianatasio | MS K-5 |
HW Lab |
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| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | |
| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | MS HS |
Other | ||
| Investigating the pH level of the 11 different basic substances | Mary Ann Patangan, Ivy Grace T. Coronel | K-5 MS |
Lab HW |
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| Preguntas de razonamiento para todas las simulaciones HTML5 |
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Diana López | K-5 UG-Intro UG-Adv HS Grad MS |
Discuss HW |
| ¿Cómo una disolución afecta los niveles de pH en ácidos y bases? |
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Joselyn Gianatasio, traducción Diana López | MS HS |
Guided |
Translations
Related Simulations
Software Requirements
| Windows 7+ | Mac OS 10.7+ | iPad and iPad Mini with iOS | Chromebook with Chrome OS |
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Microsoft Edge and Internet Explorer 11, latest version of Firefox, latest version of Chrome.
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Safari 9+, latest version of Firefox, latest version of Chrome.
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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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