BBC Learning Zone Clips

CLIP 92

Chemical reactions during cooking

Chemical reactions during cooking
Play
Key Info
  • Chemical reactions during cooking
  • Duration: 01:21
  • The presenter explains how a chemical reaction has taken place during the cooking of fried eggs. She explains how chemical reactions are useful in cooking as they help to improve the taste of food. She introduces the terms 'reactant' and 'product' and shows the properties of the product are very different from the reactants. She also explains that not all reactions need heat, and mixes bicarbonate of soda with vinegar to produce carbon dioxide gas. This clip has subtitles available in Flash.
  • Subject:

    Science

       Topic:

    Chem: Chemical Reactions

  • Keywords: chemical reaction, vinegar, bicarbonate of soda, reactants, products, gas, properties, carbon dioxide, subtitled
Ideas for use in class
  • Starter/plenary, or before pupil practical on chemical reactions.
Background details
  • Clip language : English
  • Aspect ratio : 4x3

BBC navigation

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.