<p>This resource focusses on the modes of heat transfer and the uniqueness of each one. The differences between conduction, convection and radiation are also well-explained.</p> <p>Summary: 29 pages</p>

<p>This lesson note provides a detailed explanation of the concept of mains electricity and the inter-related quantities. It is simply presented, pictorial and very helpful to discussing the topic in details to children.</p>

<p>This note presents concise information on chemical reactions; exploring both endothermic and exothermic reactions as well as how total energy change of a reaction is calculated.</p>

<p>A clear and concise introduction to chemical bonding with details given on the different bond types (ionic/electrovalent, covalent, metallic and hydrogen).</p>

<p>A detailed and interactive lesson note on energy stores.</p>

<p>An apt introduction to Indices for secondary school students with lots of exercises to practise with.</p>

<p>A clear and concise lesson note on renewable and non-renewable resources. Gives a detailed list of each and allows student participation in the study.</p>

<p>A detailed and interactive lesson note on the Conservation of energy</p>

<p>This note provides a concise and excellent introduction to the topic - “Pressure” and helps students understand the concept without much efforts. It includes pressure in fluids (gases and liquids) and also discusses pressure in solids.</p>

<p>A detailed and interactive lesson note on the concept of work and power</p>

<p>A detailed and interactive lesson note on Energy equations</p>

<p>This resource focusses on convection as a mode of heat transfer and explains the uniqueness of this heat transfer mode in contrast to conduction and radiation.</p> <p>Summary: 34 pages</p>

<p>This lesson note provides a detailed explanation of the concept of electrical power and energy transfer and the inter-related quantities. It is simply presented and helpful to discussing the phenomena in details to children.</p>

<p>This lesson note provides a detailed explanation of the concept of transformers and the inter-related quantities. It explains in details the step up and step down transformers and how these operate. It is simply presented and helpful to discussing the phenomena in details to children.</p>

<p>A comprehensive introduction to the basics of electricity for secondary school students. Covers circuits, devices, symbols, circuit arrangements (series and parallel) and their relationships.</p>

<p>The resource provides a concise and condensed lesson note on crude oil and fuels (hydrocarbons) and related aspects.</p>

<p>A clear and concise note on portable water. Introduces students to the different sources of water and the treatment procedure to obtain water that meets drinking standards.</p>

<p>This material provides an excellent study of food classes and the different combinations necessary for a balanced diet.</p>

<p>A clear and concise introduction to the concept of diffusion, osmosis and active transport.</p>

<p>A clear and concise introduction to the topic - Breathing, covering basics facts viz organs involved and the nature of the process. An indeed useful material!</p>

<p>A clear and concise analysis of the structure of the human heart and the blood vessels connected to it, as well as their adaptations.</p>