pH Scale
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Topics
- pH
- Dilution
- 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
Version 1.04
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 | Subject |
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| Using PhET in High School Chemistry- all my activities in pdf |
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Trish Loeblein | HS UG-Intro |
Demo Lab HW |
Chemistry |
| Concept Questions for Chemistry using PhET |
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Trish Loeblein | MS UG-Intro HS |
MC | Chemistry |
| pH Scale inquiry-based intro to acid-base |
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Trish Loeblein | UG-Intro MS HS |
CQs Lab |
Biology Chemistry Earth Science |
| How Does Dilution Affect pH Levels of Acids and Bases? |
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Jocelyn Gianatasio | K-5 MS |
HW Lab |
Chemistry | |
| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | Physics Chemistry Biology Earth Science |
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| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | Chemistry Earth Science Physics Biology |
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| PhET Sims Aligned to the Chemistry Curriculum |
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Julia Chamberlain | HS UG-Intro |
Other | Chemistry | |
| pH Learning Goals by developement team (Inquiry Based) |
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Trish Loeblein, Laurie Langdon | Other | Other | Chemistry | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | HS MS |
Other | Physics Chemistry Biology |
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| Investigating pH | Ann Hoernke | HS | CQs | Chemistry | ||
| Acid-Base Discovery (ICP/Physical Science Level) | S. Mitchell | HS | Lab | Chemistry | ||
| pH Sim Guided instruction | Mark Blaisdell | HS | Lab | |||
| Escala de pH, introducción a ácidos y bases con indagación |
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Trish Leoblien, traducción de Diana López | UG-Intro HS MS |
MC Guided |
Chemistry |
| ¿Cómo una disolución afecta los niveles de pH en ácidos y bases? |
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Joselyn Gianatasio, traducción Diana López | MS HS |
Guided | Chemistry | |
| Onderzoek de pH van vloeistoffen bij volumeverandering en verdunnen | Maria Cornelisse/Henk van Lubeck | MS | CQs Lab HW Demo |
Chemistry | ||
| pH척도 사용지침서 | 이화국 | HS UG-Intro |
Lab Other |
Biology Chemistry |
| Design Team | Third-party Libraries | Thanks To |
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