pH Scale: Basics
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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
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
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Authors | Level | Type | Subject |
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| How Does Dilution Affect pH Levels of Acids and Bases? |
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Jocelyn Gianatasio | K-5 MS |
HW Lab |
Chemistry | |
| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | Biology Earth Science Physics Chemistry |
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| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | Earth Science Chemistry Physics Biology |
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| Exploring pH of Common Substances | Alexandra Freeman | MS HS |
HW Guided Lab |
Chemistry Other |
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| Discovering Acids and Bases | Jacalyn Fiechter | K-5 | Guided | Chemistry Physics |
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| MS and HS TEK to Sim Alignment | Elyse Zimmer | HS MS |
Other | Biology Physics Chemistry |
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| Investigating the pH level of the 11 different basic substances | Mary Ann Patangan, Ivy Grace T. Coronel | MS K-5 |
HW Lab |
Chemistry | ||
| Preguntas de razonamiento para todas las simulaciones HTML5 |
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Diana López | K-5 MS HS UG-Adv Grad UG-Intro |
Discuss HW |
Mathematics Astronomy Physics Chemistry |
| ¿Cómo una disolución afecta los niveles de pH en ácidos y bases? |
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Joselyn Gianatasio, traducción Diana López | HS MS |
Guided | Chemistry |
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