Tag Archives: nutrients

B4 Syllabus Statements

For self-assessment questions, with exercises and discussions, just click on the correct topic at Biology GCSE & IGCSE Question Bank. Powerpoints can be downloaded from the same site here. The s-cool revision site lets you revise the topic, summarizes the topic & tests you on it. Skoool gives you a lesson, including progress questions, for each Biology topic but you’ll need sound on for it.

What’s in a molecule? – The science of macaroni salad from TED-Ed (3m 15s).

This powerpoint covers both Plant and Animal nutrition:


IGCSE Biology: Coursebookchapter 4, pp.31 – 37 & chapter 7, pp.64 – 67, 69 & pp.71 – 82

B4.1 Nutrients

Nice concept map to help revise this section:

The six major nutrients (you also need fibre):

Science Bank 21 (Food & Digestion): part 1 – Food Tests; part 2 – the Digestive System (from 4m 40s); part 3- Digestive Enzymes (from 9m):

B4.1 Revision notes in downloadable word format and here are the key terms and some definitions: Key Terms B4.1

Bitesize Top 20 Demos – Food as a Fuel (2m 16s).

Here’s a useful powerpoint, although it doesn’t cover everything we need to know:

Nutrients presentation from katmar62

The use of microorganisms in the manufacture of yoghurt, notes here and video here:


IGCSE Biology: Coursebook, chapter 4, pp.31 – 37 & chapter 7, pp.64 – 66 & 69