Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 5.3 - Know and use the relationship between density, mass and volume. Specification Point 5.4 - Practical: investigate density using direct measurements of mass and volume. Specification Point 5.5 - Know and use the relationship between pressure, force and area. Specification Point 5.6 - Understand how the pressure at a point in a gas or liquid at rest acts equally in all directions. Specification Point 5.7 - Know and use the relationship for pressure difference. Complete set of Chapter 5 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 5.15 - Explain how molecules in a gas have random motion and that they exert a force and hence a pressure on the walls of a container. Specification Point 5.16 - Understand why there is an absolute zero of temperature which is –273 °C. Specification Point 5.17 - Describe the Kelvin scale of temperature and be able to convert between the Kelvin and Celsius scales. Specification Point 5.18 - Understand why an increase in temperature results in an increase in the average speed of gas molecules. Specification Point 5.19 - Know that the Kelvin temperature of a gas is proportional to the average kinetic energy of its molecules. Specification Point 5.20 - Explain, for a fixed amount of gas, the qualitative relationship between: pressure and volume at constant temperature, pressure and Kelvin temperature at constant volume. Specification Point 5.21 - Use the relationship between the pressure and Kelvin temperature of a fixed mass of gas at constant volume. Specification Point 5.22 - Use the relationship between the pressure and volume of a fixed mass of gas at constant temperature. Complete set of Chapter 5 Lessons are available.

Powerpoint lecture and associated PDF worksheet 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 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.6 - Describe how thermal energy transfer may take place by conduction, convection and radiation. Specification Point 4.7 - Explain the role of convection in everyday phenomena. Specification Point 4.8 - Explain how emission and absorption of radiation are related to surface and temperature. Specification Point 4.9 - Practical: investigate thermal energy transfer by conduction, convection and radiation. Specification Point 4.10 - Explain ways of reducing unwanted energy transfer, such as insulation. Complete set of Chapter 4 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.11 - Know and use the relationship between work done, force and distance moved in the direction of the force. Specification Point 4.12 - Know that work done is equal to energy transferred. Specification Point 4.13 - Know and use the relationship between gravitational potential energy, mass, gravitational field strength and height. Specification Point 4.14 - Know and use the relationship between kinetic energy, mass and speed. Specification Point 4.15 - Understand how conservation of energy produces a link between gravitational potential energy, kinetic energy and work. Specification Point 4.16 - Describe power as the rate of transfer of energy or the rate of doing work. Specification Point 4.17 - Use the relationship between power, work done and time taken. Complete set of Chapter 4 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.18P - Describe the energy transfers involved in generating electricity. Specification Point 4.19P - Describe the advantages and disadvantages of methods of large-scale electricity production from various renewable and non-renewable resources. Complete set of Chapter 4 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 3.24P - Know that the frequency range for human hearing is 20–20,000 Hz. Specification Point 3.25P - Practical: investigate the speed of sound in air. Specification Point 3.26P - Understand how an oscilloscope and microphone can be used to display a sound wave. Specification Point 3.27P - Practical: investigate the frequency of a sound wave using an oscilloscope. Specification Point 3.28P - Understand how the pitch of a sound relates to the frequency of vibration of the source. Specification Point 3.29P - Understand how the loudness of a sound relates to the amplitude of vibration of the source. Complete set of Chapter 3 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 3.7 - Use the relationship between frequency and wavelength in different contexts including sound waves and electromagnetic waves. Specification Point 3.8 - Explain why there is a change in the observed frequency and wavelength of a wave when its source is moving relative to an observer, and that this is known as the Doppler effect. Specification Point 3.10 - Know that light is part of a continuous electromagnetic spectrum that includes radio, microwave, infrared, visible, ultraviolet, x-ray and gamma ray radiations and that all these waves travel at the same speed in free space. Specification Point 3.11 - Know the order of the electromagnetic spectrum in terms of decreasing wavelength and increasing frequency, including the colours of the visible spectrum. Specification Point 3.12 - Explain some of the uses of electromagnetic radiations. Specification Point 3.13 - Explain the detrimental effects of excessive exposure of the human body to electromagnetic waves and describe simple protective measures against the risks. Complete set of Chapter 3 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 2.22P - Identify common materials which are electrical conductors or insulators, including metals and plastics. Specification Point 2.23P - Practical: investigate how insulating materials can be charged by friction. Specification Point 2.24P - Explain how positive and negative electrostatic charges are produced on materials by the loss and gain of electrons. Specification Point 2.25P - Know that there are forces of attraction between unlike charges and forces of repulsion between like charges. Specification Point 2.26P - Explain electrostatic phenomena in terms of the movement of electrons. Specification Point 2.27P - Explain the potential dangers of electrostatic charges. Specification Point 2.28P - Explain some uses of electrostatic charges. Complete set of Chapter 2 Lessons are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.3.4.1 - Mass transport in animals. Complete set of Chapter 3 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.6.2.1 - Nerve impulses. Specification Point 3.6.2.2 - Synaptic transmission. Complete set of Chapter 6 Lectures are available.

Powerpoint lecture and associated PDF worksheet 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 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.30P - Know and use the relationship between the moment of a force and its perpendicular distance from the pivot. Specification Point 1.31P - Know that the weight of a body acts through its centre of gravity. Specification Point 1.32P - Use the principle of moments for a simple system of parallel forces acting in one plane. Specification Point 1.33P - Understand how the upward forces on a light beam, supported at its ends, vary with the position of a heavy object placed on the beam. Complete set of Chapter 1 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 2.4 - Know and use the relationship between power, current and voltage and apply the relationship to the selection of appropriate fuses. Specification Point 2.5 - Use the relationship between energy transferred, current, voltage and time. Specification Point 2.6 - Know the difference between mains electricity being alternating current (A.C.) and direct current (D.C.) being supplied by a cell or battery. Complete set of Chapter 2 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.18 - Know and use the relationship between weight, mass and gravitational field strength. Specification Point 1.19 - Know that the stopping distance of a vehicle is made up of the sum of the thinking distance and the braking distance. Specification Point 1.20 - Describe the factors affecting vehicle stopping distance, including speed, mass, road condition and reaction time. Specification Point 1.21 - Describe the forces acting on falling objects and explain why falling objects reach a terminal velocity. Complete set of Chapter 1 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.6 - 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 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.11 - Describe the effects of forces between bodies such as changes in speed, shape or direction. Specification Point 1.12 - Identify different types of force such as gravitational or electrostatic. Specification Point 1.13 - Understand how vector quantities differ from scalar quantities. Specification Point 1.14 - Understand that force is a vector quantity. Complete set of Chapter 1 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.15 - Calculate the resultant force of forces that act along a line. Specification Point 1.16 - Know that friction is a force that opposes motion. Specification Point 1.17 - Know and use the relationship between unbalanced force, mass and acceleration. Complete set of Chapter 1 Lessons are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.10 - Addiction Reducing addiction: drug therapy; behavioural interventions, including aversion therapy and covert sensitisation; cognitive behaviour therapy. The application of the following theories of behaviour change to addictive behaviour; the theory of planned behaviour and Prochaska’s six-stage model of behaviour change. Complete set of Chapter 17 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.10 - Addiction Explanations for gambling addiction: learning theory as applied to gambling, including reference to partial and variable reinforcement; cognitive theory as applied to gambling, including reference to cognitive bias. Complete set of Chapter 17 Lectures are available.