The Burn
Idea for the case or the case draft
Whenever Victor consumes a meal, he suffers a burning sensation in his chest and often,
‘vomits’ small portion of previously eaten food that tastes sour. This happens a few minutes
after finishing his last bite.
Victor’s mom brought him to the doctor.
“Hi Doctor, my son often feels a burning sensation after eating. He tried to drink water to ease
the discomfort but ended up vomiting.”, said Victor’s mom.
“Yes! I tried to gulp down water quickly but I felt worse.”, Victor added.
The doctor smiled and replied, “Here are some antacids for you. Eat them before every meal
and you will be fine.”
“Thank you, doctor.”, said both mom and son gratefully.
Resources: Include the main simulation or tool used and one additional resource
Search engine with keywords ‘sour’, ‘antacids’, ‘food’, ‘meal’
Textbooks
Youtube videos “How do antacids work”
Phet simulation on pH scale (http://phet.colorado.edu/en/simulation/ph-scale)
Ask a teacher
Experimentation (antacids, acid, water, pH scale)
Two possible investigations
1. To find out the effects of adding water to reduce acidity.
2. To find out the effects of antacids on gastric acid.
Two possible student products
1. Conduct an experiment and present findings in PowerPoint/ Poster presentation. Peer review by
classmate’s comments.
2. Conduct an experiment, video themselves and include findings, and upload on Youtube. Peer
review by classmate’s comments.
One example rubric
Adapted rubrics on presentation (from various schools) and poster (from Margaret and Ethel).
NIE 2014
LS-24
How the 21st Century Competencies are Addressed
1. Civic Literacy,
 Narrative reading of the case with students from
Global Awareness &
different cultural background (or races)
Cross-cultural Skills
 Case analysis (Know/Need to know)
 Generating a list of resources to understand the case
better
 Performing an experiment with peers; learning to work
together regardless of differences
o Understanding how different individuals think
2. Critical and Inventive
Thinking
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3. Information and
Communication
Skills
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Individual and group thinking when brainstorming about
the case study
Generating a list of relevant resources to understand
the case better
Exploring the case resources with critical thinking skills
being applied
o Teachers facilitate critical thinking in a class
Brainstorming and troubleshooting in the process of
experimentation.
Communicating factors of the case to other group
members
Retrieving resources from various sources to
understand the case better
Using relevant resources to solve the case
Presenting experimentation results through PowerPoint
or videos
Themes/major concepts of Lower Secondary Science Syllabus 2013 addressed
Theme
Major idea
Chemical changes
Neutralisation
Authors and school affiliations
Timothy Ho, Temasek Junior College
Annisa Akram Qureshi, Springfield Secondary School
Cherlyn Koh, Springfield Secondary School
Geraldine Tan, Raffles Institution
NIE 2014
LS-24