Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.1 - Understand the influence of geology, vegetation, people and sea-level changes on coastal environments. Complete set of Chapter 2 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.2 - Understand the abiotic and biotic characteristics of one named coastal ecosystem. Complete set of Chapter 2 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.2 - Understand the distributions and features of the world’s coastal ecosystems (coral reefs, mangroves, sand dunes and salt marshes). Complete set of Chapter 2 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.3 - Understand the causes of river flooding, including rainfall intensity, seasonal variations in discharge due to monsoons or snowmelt, relief, urbanisation, and the prediction and prevention of flooding. Complete set of Chapter 1 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.1 - Understand the hydrological cycle: characteristics, stores and transfers. Complete set of Chapter 1 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.3 - Understand the uses of water, including agriculture, industry, human hygiene and leisure, and the rising demand for and supply of water. Complete set of Chapter 1 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.3 - Understand the conflicts between different users of the coast, with different views on coastal management (conservation or development). Complete set of Chapter 2 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 5.3 - Understand the diversification of farming to generate new income streams: GM crops, specialist crops and food, organic farming, recreation and leisure. Complete set of Chapter 6 Lectures are available.

Complete set of concise, modern presentations for AQA A Level Psychology (7181 and 7182) Chapter 1 - Social Influence. Contains colour coded specification points. Four presentations included: 1 - Conformity 2 - Conformity to Social Roles 3 - Obedience 4 - Resistance and Minority Influence

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3 - Understand that energy can be managed in a sustainable way through education, efficiency and conservation (within industry, transport and the home). Specification Point 4.3 - Understand case studies of energy resource management in a developed country and a developing or emerging country. Complete set of Chapter 5 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.1.1 - Social influence. Conformity to social roles as investigated by Zimbardo. Complete set of Chapter 1 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 5.2 - Understand the factors leading to rural changes in a named developed country. Specification Point 5.2 - Understand the factors leading to rural changes in a named developing or emerging country. Complete set of Chapter 6 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 6.3 - Understand the range of possible strategies aimed at making urban living more sustainable and improving the quality of life for the chosen urban environment. Complete set of Chapter 7 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.18 - Understand how elements are arranged in the periodic table. Specification Point 1.19 - Understand how to deduce the electronic configurations of the first 20 elements from their positions in the periodic table. Specification Point 1.20 - Understand how to use electrical conductivity and the acid-base character of oxides to classify elements as metals or non-metals. Specification Point 1.21 - Identify an element as a metal or a non-metal according to its position in the periodic table. Specification Point 1.22 - Understand how the electronic configuration of a main group element is related to its position in the periodic table. Specification Point 1.23 - Understand why elements in the same group of the periodic table have similar chemical properties. Specification Point 1.24 - Understand why the noble gases (Group 0) do not readily react. Complete set of Chapter 2 Lectures are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.18 - Understand how elements are arranged in the periodic table. Specification Point 1.19 - Understand how to deduce the electronic configurations of the first 20 elements from their positions in the periodic table. Specification Point 1.20 - Understand how to use electrical conductivity and the acid-base character of oxides to classify elements as metals or non-metals. Specification Point 1.21 - Identify an element as a metal or a non-metal according to its position in the periodic table. Specification Point 1.22 - Understand how the electronic configuration of a main group element is related to its position in the periodic table. Specification Point 1.23 - Understand why elements in the same group of the periodic table have similar chemical properties. Specification Point 1.24 - Understand why the noble gases (Group 0) do not readily react. Complete set of Chapter 2 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.25 - Understand how to write word equations and balanced chemical equations (including state symbols). Specification Point 1.26 - Calculate relative formula masses (including relative molecular masses) from relative atomic masses. Specification Point 1.27 - Know that the mole is the unit for the amount of a substance. Specification Point 1.28 - Understand how to carry out calculations involving amount of substance, relative atomic mass and relative formula mass. Complete set of Chapter 2 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 2.33C - Describe how to carry out an acid-alkali titration. Complete set of Chapter 5 Lessons are available.

Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 22 - Titrations. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 2.33C - Describe how to carry out an acid-alkali titration. Complete set of Chapter 5 Worksheets are available.

Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 12 - Ionic Bonding. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 1.37 - Understand how ions are formed by electron loss or gain. Specification Point 1.38 - Know the charges of several atomic and molecular ions. Specification Point 1.39 - Write formulae for compounds formed between the ions listed in 1.38. Specification Point 1.40 - Draw dot-and-cross diagrams to show the formation of ionic compounds by electron transfer, limited to combinations of elements from groups 1, 2, 3, 5, 6 and 7. Specification Point 1.41 - Understand ionic bonding in terms of electrostatic attractions. Specification Point 1.42 - Understand why compounds with giant ionic lattices have high melting and boiling points. Specification Point 1.43 - Know that ionic compounds do not conduct electricity when solid, but do conduct electricity when molten and in aqueous solution. Complete set of Chapter 3 Worksheets are available.

Complete set of companion PDF worksheets for Edexcel IGCSE Chemistry (4CH1) Chapter 2 - Atoms and Molecules. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Five worksheets included: 7 - Atoms and Molecules 8 - The Periodic Table 9 - Formulae and Calculations 10 - Formulae and Calculations Part 2 11 - Concentrations and Volumes