Students 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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New Review Preparation of Natural Indicators From Plants
Did you know you can make your own pH indicator from plants? The sixth instructional activity 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...
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
Changing Planet: Ocean Acidification - the Chemistry is Less than Basic!
A video and laboratory investigation are highlights to this lesson on acidification of ocean water due to increased atmospheric carbon dioxide. Using bromothymol blue (BTB) as an indicator, pupils analyze the amount of carbon dioxide...
7th - 10th Science