Learners perform an experiment which will illustrate how to measure the approximate pH of chemicals in water using a pH indicator. They understand that a pH indicator is a chemical that changes color when it comes in contact with acids or bases.
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Soil Porosity, Moisture Content, pH, and Density
This lab activity does not have to be done with AP environmental scientists. It can also be done with middle to high school earth scientists. The procedures aren't complex. Learners determine the density of dry and wet sand in order to...
9th - 12th Science
Preparation of Natural Indicators From Plants
Did you know you can make your own pH indicator from plants? The sixth lesson in a seven part series teaches pupils to do just that. They work with the extracts of natural colors from flowers and leaves to observe color changes in...
9th - 12th Science CCSS: Adaptable
Study Jams! Acids and Bases
This video about pH will not leave a sour taste in your mouth! Through clear explanations and a little humor, upcoming chemists will learn the definitions and properties of acids and bases, as well as how pH is measured. This would make...
5th - 9th Science CCSS: Adaptable
pH Indicators And Tests for Acids And Bases
Students create various pH indicators and test unknown solutions to determine if they are an acid or a base. After the experiment, students take a quiz, found on a website imbedded in this lesson, on what they observed and discovered.
9th - 12th Visual & Performing Arts
Measuring Rainfall and Relationships Between pH, Alkalinity and Suspended Solids in the Pago River
Eleventh graders test the pH and alkalinity of Pago River. In this ecology lesson plan, 11th graders collect data and use spreadsheet to graph results. They analyze and share their findings with the class.