C4 pH value of beverages (teacher instructions)
Text
Experimentation instructions for Experimento | 10+:
Background information on the content and practical information on conducting the experiment "pH value of beverages – How acidic is it in the stomach?".
English, Spanish (CREA), German
2018-11-20
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How to reference this medium
This is a typical introductory experiment. The experimentally acquired finding that “humans can tolerate extremely acidic beverages" leads to the conclusion that “it must be very acidic in the stomach". The question is “why?". This automatically introduces us to the topic of the digestive tract and digestion. Depending on the age group, the teacher can and must deal with the topic in more detail. Apart from the topic of digestion in biology lessons, students’ basic knowledge of acids and bases can be put to excellent use in the experiment in chemistry lessons. The materials supplied allow eight groups of students to conduct the experiments simultaneously.
Notes:
• Observe the safety information in the instructions as well as the applicable safety guidelines for your school.
• All materials mentioned in the instructions will have to be purchased directly from commercial sources.
Notes:
• Observe the safety information in the instructions as well as the applicable safety guidelines for your school.
• All materials mentioned in the instructions will have to be purchased directly from commercial sources.
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Experiment
Biology; Chemistry
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school
Acids; Base (chemistry); Digestive organ; Enzyme; Health; Nutrition; Stomach
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