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Try this class experiment to investigate how much energy different foods contain. Includes kit list and safety instructions.
- Food
Chętnie wyświetlilibyśmy opis, ale witryna, którą oglądasz,...
- Food
Nutrition and food tests (CCEA) Practical 1.3 - Investigate energy content of food. Food provides energy and nutrients. The different components of our diet have different sources and...
9 kwi 2024 · Revision notes on 1.2.7 Practical: Energy Content in Food for the Edexcel GCSE Biology syllabus, written by the Biology experts at Save My Exams.
After digestion, food is generally converted into glucose and combined with oxygen in a combustion reaction to generate energy for your body. When measuring the energy content of food in the lab, water is the medium that is used to monitor this heat that is generated.
Food is a store of energy, transferred from the food to the consumer. 'Food energy' is measured in joules ( J ) or kilojoules ( kJ. Food types (groups) have different amounts of energy.
Energy values of food. Topic. Timing. Description. Energy in food. 45–60 min. Students burn various foods of known mass. They heat a known volume of water and calculate the amount of energy in the food. Apparatus and equipment (per group)
How much energy is there in food? Class practical. Take samples of a range of foodstuffs and set them alight in turn. Burn food samples under a boiling tube containing a measured amount of water. Measure the temperature increase in the water. Calculate the amount of energy needed to cause that temperature increase.
