Biology lessons On Air

Listen to IB and IGCSE Biology and Combined Science lessons from current syllabus.

Variables when investigating the effect of pH on enzyme activity

Biology GCSE SB1h Lesson 4 Turbo group, May 2022 - excerpt from lesson on my virtual classroom on Patreon. Link on bio

05-23
17:14

Enzymes GCSE Biology

Excerpts from my virtual classroom on Patreon.com -link on bio

05-22
15:25

Microscopy GCSE Biology

Lesson 1 on Biology Turbo group from my Patreon virtual classroom. Based on Edexcel specification. Visit patreon.Com/Biology_lessons_onAir

05-19
14:24

Mixtures and Pure substances

Chemistry GCSE lesson 2

05-14
20:31

IGCSE vs GCSE Biology

Edexcel offers two versions of Biology at middle school level. I explain what this is about

05-08
05:51

States of Matter

Solids, Liquids and Gases. Snippets from new virtual classroom. Combined Science GCSE Edexcel

05-06
10:36

IAL Gametes, fertilization and cell development

Adaptations of mammalian gametes, fertilization in mammals and plants, stem cells, totipotency and pluripotency

03-01
42:47

Πλασματική μεμβράνη

Μοντέλο ρευστού μωσαϊκού, εκλεκτική διαπερατότητα, διάχυση, ώσμωση, αντλίες, ενδοκυττωση, εξοκυττοση.

11-21
13:25

The fragility of tropical forests

A special episode for the Dublin Learning City Festival 2021. The slides accompanying this audio will be found on YouTube 

03-17
16:26

IGCSE photosynthesis

Testing a leaf for starch and factors that affect photosynthesis

01-30
27:20

IB 2.6 DNA structure and replication

Meselson and Stahl experiment and the semi conservative model

01-23
29:44

IGCSE Osmoregulation and Thermoregulation

Chapter 8 in the book by Phil Bradfield and Steve Potter. Role of ADH and the skin. 

12-06
25:14

IB 2.2 Water

Polarity of water, hydrogen bonds and the properties of water

11-01
34:18

Low SA:V in large organisms

The need for transport systems and specialized supply system for life processes to take place in large organisms

10-24
15:04

IGCSE Food calorimeter

Estimating energy content in a food sample using a simple calorimeter in the lab.

10-11
10:30

IGCSE 4. Digestion and absorption of food

Digestive enzymes, peristalsis, assimilation and egestion. Role of bile and pancreas attached to the alimentary canal.

09-28
28:17

IB Drawing sugars, fatty acids and amino acids for chapter 2.1

Extension of 2.1 Molecules to Metabolism with first part of 8.1 from IB syllabus.

09-25
13:03

IB 2.1 Molecules to metabolism

Life molecules and chemical processes. Important biochemical groupings. Examples. C-based life. Organic compounds. Metabolism. Falsification of Vitalism.

09-23
29:02

IGCSE 4. Food tests and energy in food

Description of the tests for starch, glucose, protein and lipids. Energy measurement in food and requirements according to size and activities in humans.

09-22
25:26

GCSE International: 4. Food and Digestion - part 1

Based on the book by Bradfield and Potter. Includes Balanced diet and the chemistry, sources and functions of the five main food groups plus fibre and water.

09-19
21:18

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