Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.1.2 - Understand why business aims and objectives change as businesses evolve. Complete set of Chapter 1 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.44 - Describe tests for these gases: hydrogen, oxygen, carbon dioxide, ammonia and chlorine. Specification Point 2.45 - Describe how to carry out a flame test. Specification Point 2.46 - Know the colours formed in flame tests for the following cations: lithium, sodium, potassium, calcium and copper. Specification Point 2.47 - Describe tests for these cations: ammonium using sodium hydroxide solution and identifying the gas evolved. Copper, iron (II) and iron (III) using sodium hydroxide solution. Specification Point 2.48 - Describe tests for these anions: chloride, bromide and iodide using acidified silver nitrate solution. Sulphates using acidified barium chloride solution and carbonates using hydrochloric acid and identifying the gas evolved. Specification Point 2.49 - Describe a test for the presence of water using anhydrous copper (II) sulphate. Specification Point 2.50 - Describe a physical test to show whether a sample of water is pure. Complete set of Chapter 5 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.14 - Know that light waves are transverse waves and that they can be reflected and refracted. Specification Point 3.15 - Use the law of reflection. Specification Point 3.16 - Draw ray diagrams to illustrate reflection and refraction. Specification Point 3.17 - Practical: investigate the refraction of light, using rectangular blocks, semi-circular blocks and triangular prisms. Specification Point 3.18 - Know and use the relationship between refractive index, angle of incidence and angle of refraction. Specification Point 3.19 - Practical: investigate the refractive index of glass, using a glass block. Specification Point 3.20 - Describe the role of total internal reflection in transmitting information along optical fibres and in prisms. Specification Point 3.21 - Explain the meaning of critical angle c. Specification Point 3.22 - Know and use the relationship between critical angle and refractive index. Specification Point 3.23 - Know that sound waves are longitudinal waves which can be reflected and refracted. Complete set of Chapter 3 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.25 - Know and use the relationship between momentum, mass and velocity. Specification Point 1.26 - Use the idea of momentum to explain safety features. Specification Point 1.27 - Use the conservation of momentum to calculate the mass, velocity or momentum of objects. Specification Point 1.28 - Use the relationship between force, change in momentum and time taken. Specification Point 1.29 - Demonstrate an understanding of Newton’s third law. Complete set of Chapter 1 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: 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 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.6 - Know and use the relationship between acceleration, change in velocity and time taken. Specification Point 1.7 - Plot and explain velocity-time graphs. Specification Point 1.8 - Determine acceleration from the gradient of a velocity−time graph. Specification Point 1.9 - Determine the distance travelled from the area between a velocity-time graph and the time axis. Specification Point 1.10 - Use the relationship between final speed, initial speed, acceleration and distance moved. Complete set of Chapter 1 Lectures 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 8.2 - Understand the impacts of globalisation on different groups of people, including the benefits and costs to countries hosting TNCs. Specification Point 8.2 - Understand the impacts of migration (voluntary, forced, national, international and rural-urban) on different groups of people. Complete set of Chapter 9 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 8.1 - Understand the push and pull factors that have influenced rates of different types of migration over the last 50 years. Complete set of Chapter 9 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 9.1 - Understand that different factors contribute to the development and human welfare of a country: economic, social, technological, cultural, as well as food and water security. Specification Point 9.1 - Understand that development is measured in different ways: GDP per capita, the Human Development Index, measures of inequality and indices of political corruption. Complete set of Chapter 10 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 9.3 - Understand the advantages and disadvantages of top-down and bottom-up development projects used to promote development in a named developed and a named emerging or developing country. Complete set of Chapter 10 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 9.2 - Understand the global pattern of the uneven development between and within countries and the factors (social, historic and economic) that have led to these spatial variations. Specification Point 9.2 -Understand the impact of uneven development on welfare and quality of life within one named country. Complete set of Chapter 10 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 7.3 - Understand how technology can resolve water-resource shortages in fragile environments under threat from desertification. Specification Point 7.3 - Understand the different approaches to the sustainable use and management of a rainforest in a named region to limit the extent of deforestation. Complete set of Chapter 8 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 7.3 - Understand different responses to global warming and climate change from individuals, organisations and governments in a named developed and a named emerging or developing country. Complete set of Chapter 8 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 8.3 - Understand the different approaches to the management of long-term migration in a named country. Specification Point 8.3 - Understand the different approaches to make tourism more sustainable from individuals, organisations and governments in a named developed and a named emerging or developing country. Complete set of Chapter 9 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 5.3 - Understand the role of different groups of people in managing the social, economic and environmental challenges within the chosen rural environment. Complete set of Chapter 6 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 6.3 - Understand the development of the rural-urban fringe: housing estates, retail, business and science parks, industrial estates, and the greenfield versus brownfield debate. Complete set of Chapter 7 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 5.2 - Understand characteristics of a rural environment: landscape, climate, settlement, population, land use, employment, accessibility, management (development or conservation). Complete set of Chapter 6 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 6.3 - Understand the role of different groups of people (planners, politicians, property developers and industrialists) in managing the social, economic and environmental challenges in the chosen urban area. Complete set of Chapter 7 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.