Energy Content of Valentine's Chocolates: A Simple Calorimetry Lab
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£2.50
£2.50
Product Description
This Valentine’s-themed investigation introduces energy transfer and calorimetry through a classic food-burning practical suitable for Key Stage 3, Key Stage 4 (GCSE), and advanced homeschool science.
While themed around Valentine’s chocolate, the investigation can be used at any time of year when teaching energy, fuels, or calorimetry.
Learners compare different chocolates by measuring temperature change, calculate energy released, and explain results using ideas about chemical energy and energy transfer.
What you receive
- Two PDFs
- A PDF containing the editable Canva template link
- A PDF containing a detailed teacher guide linked to curriculum standards
- Templates include variables pages, calculation tables, written risk assessment, and group role cards.
- Clear safety guidance is included for teacher-led or closely supervised use.
Curriculum focus
Key Stage 2
- Links to understanding that food provides energy
Key Stage 3
- Energy stores and energy transfer by heating
Key Stage 4 (GCSE Chemistry / Combined Science)
- Energy changes and calorimetry
- Calculating energy transfer using Q = mcΔT
- Food calorimetry practical links
US curriculum links
- Middle School Physical Science: energy transfer
- High School Chemistry: calorimetry and energy changes in reactions
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Read the blog post with teaching ideas and curriculum rationale here
You will get the following files
- PDF link to Editable Canva templates, pupil recording sheets, variables support, results templates
- PDF comprehensive teacher guide.
