It may be appropriate at this stage to compare reversible (physical) changes with irreversible (chemical) changes. Review the following animation and fact sheet.
- BBC Schools: Science Clips: Reversible and Irreversible changes: [Flash Activity]
- BBC KS3 Bitesize: Chemical Reactions Vs Physical Changes [article]
Chemistry in the kitchen; celebrity chef Heston Blumenthal has championed the chemistry of cooking. By learning about the science of chemical reactions in food cookery he has developed unique cooking techniques and dishes, in the process earning Michelin stars for his Fat Duck restaurant. Watch the RSC Kitchen Chemistry Video Clips which feature Heston discussing the science behind his cooking
- RSC Kitchen Chemistry videos [external link: video]
Now try the following experiments. As no food can be tasted or eaten in a lab environment, the following chemistry activities must be carried out in a kitchen or Home Economics room.
These links describe the science behind/in different cooking activities:
- School Science: Cooking is Chemistry worksheet [external link: PDF]
- Royal Society of Chemistry: Kitchen Chemistry [external link: article]
- Exploratorium: Science of Cooking [External link: article]
- Science of Cooking [external link: article]
- BBC Food Making honeycomb (as part of recipe for knickerbocker glory) [article]