Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.1.2.5 - Balanced equations and associated calculations. Practical 1 - Make up a volumetric solution and carry out a simple acid–base titration. Complete set of Chapter 1 Lectures are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.8 - Understand how to classify a substance as an element, compound or mixture. Specification Point 1.9 - Understand that a pure substance has a fixed melting and boiling point, but that a mixture may melt or boil over a range of temperatures. Complete set of Chapter 1 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.10 Describe the following experimental techniques for the separation of mixtures: Simple distillation. Fractional distillation. Filtration. Crystallisation. Paper chromatography. Complete set of Chapter 1 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.4 - Understand how the results of experiments involving the dilution of coloured solutions and diffusion of gases can be explained. Specification Point 1.5 - Know what is meant by the terms: solvent, solute, solution and saturated solution. Complete set of Chapter 1 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.5C - Know what is meant by the term solubility in the units grams per 100 grams of solvent. Specification Point 1.6C - Understand how to plot and interpret solubility curves. Specification Point 1.7C - Practical: investigate the solubility of a solid in water at a specific temperature. Complete set of Chapter 1 Lessons are available.

A PowerPoint Quiz with question for Edexcel IGCSE Biology (4BI0) Chapters 1 - Living Organisms. Perfect for an end of topic revision exercise. Matches well with our presentations and worksheets. The quiz is out of a possible 95 marks.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.1 - Understand the three states of matter in terms of the arrangement, movement & energy of the particles. Specification Point 1.2 - Understand the interconversions between the three states of matter in terms of: The names of the interconversions. How they are achieved. The changes in arrangement, movement & energy of the particles. Complete set of Chapter 1 Lessons are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 9.3 - Understand the range of international strategies (international aid and intergovernmental agreements) that attempt to reduce uneven development. Specification Point 9.3 - Understand the different views held by individuals, organisations and governments on tackling the development gap. Complete set of Chapter 10 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.1.4 - Psychopathology. Definitions of abnormality, including deviation from social norms, failure to function adequately, statistical infrequency and deviation from ideal mental health. Complete set of Chapter 4 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.2.1 - Approaches in psychology. Origins of psychology: Wundt, introspection and the emergence of psychology as a science. Complete set of Chapter 5 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.2.1 - Approaches in psychology. The behaviourist approach, including classical conditioning and Pavlov’s research, operant conditioning, types of reinforcement and Skinner’s research. Complete set of Chapter 5 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.1.4 - Psychopathology. The behavioural approach to explaining and treating phobias: the two-process model, including classical and operant conditioning; systematic desensitisation, including relaxation and use of hierarchy; flooding. Complete set of Chapter 4 Lectures are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.48C - Know that condensation polymerisation, in which a dicarboxylic acid reacts with a diol, produces a polyester and water. Specification Point 4.49C - Understand how to write the structural and displayed formula of a polyester, showing the repeat unit, given the formulae of the monomers from which it is formed including the reaction of ethanedioic acid and ethanediol. Specification Point 4.50C - Know that some polyesters, known as biopolyesters, are biodegradable. Complete set of Chapter 7 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.44 - Know that an addition polymer is formed by joining up many small molecules called monomers. Specification Point 4.45 - Understand how to draw the repeat unit of an addition polymer, including polyethene, polypropene, polychloroethene and polytetrafluoroethene. Specification Point 4.46 - Understand how to deduce the structure of a monomer from the repeat unit of an addition polymer and vice versa. Specification Point 4.47 - Explain problems in the disposal of addition polymers. Complete set of Chapter 7 Lessons are available.

Complete set of concise, modern presentations for Edexcel IGCSE Geography (4GE1) Chapter 6 - Rural Environments. Contains colour coded specification points with custom vector graphics. Seven presentations included: 36 - The World’s Biomes 37 - Ecosystem Goods and Services 38 - Rural Environments 39 - Rural Environment Case Studies 40 - Diversification of Farming 41 - Management of Rural Living 42 - Stakeholders and Rural Change

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.2 - Relationships. The evolutionary explanations for partner preferences, including the relationship between sexual selection and human reproductive behaviour. Complete set of Chapter 9 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.1 - Issues and debates in psychology. Idiographic and nomothetic approaches to psychological investigation. Complete set of Chapter 8 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.1 - Issues and debates in psychology. Ethical implications of research studies and theory, including reference to social sensitivity. Complete set of Chapter 8 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.2 - Relationships. Virtual relationships in social media: self-disclosure in virtual relationships; effects of absence of gating on the nature of virtual relationships. Complete set of Chapter 9 Lectures are available.