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Energy values of food

Description

In this experiment various foods are tested to find how much energy they contain.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
energy-values-of-food



Apparatus Chemicals

Eye protection

Each working group will require:

Thermometer (-10 to 110°C), short, stirring type

Boiling tube, or metal calorimeter (or similar metal container) (Note 1)

Measuring cylinder (25 cm3)

Bunsen burner

Heat resistant mat

Mounted needle

Teaspoon

Stand and clamp

Access to:

Balance, weighing to 0.1 g

Variety of dry foodstuffs, possibilities include:

mini-marshmallows, popcorn (already popped), crisps, pasta, bread, potato, bacon, broad beans (dried), cheese (Notes 2, 3 and 4)

Refer to Health & Safety and Technical notes section below for additional information.

 



 



 

 

 

 

 

 

 

 

 

 

 

 

 


Credits



In this experiment various foods are tested to find how much energy they contain.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology.