OCR A level Chemistry: Aromatic Compounds is apart of the Module 6: Organic Chemistry and Analysis. All presentations come with worked examples, solutions and homeworks Molecular, empirical, skeletal formula for benzene. The Kekulé model for benzene Evidence against the Kekule model The delocalised model for benzene Nomenclature for benzene rings and aromatic (arene) compounds Naming benzene containing compounds Drawing benzene containing compounds Defining an electrophile Substitution reactions Nitration of Benzene Reaction mechanisms Halogenation of Benzene Common Halogen Carriers Friedel-Crafts Alkylation Reactions Acyl Chloride Acylation Reactions of Benzene Reactivity of Alkenes and Arenes Naming phenols Distinguishing between phenols and alcohols Distinguishing between phenols and alkenes Distinguishing between phenols and carboxylic acids Phenol as a weak acid Electrophilic reactions with phenols Comparing and explaining the reactivity of phenols and benzene Naming positions on the aromatic ring Activating groups and deactivating groups 2-and-4-directing and 3-directing groups ortho-and-para directing and meta directing groups Two-step synthesis routes for benzene using directing groups. Nitration of benzene Halogenation of benzene Friedel-Crafts Alkylation of benzene

OCR AS level Physics: Charge and Current is a part of the Module 4: Electrons, Waves, and Photons. All presentations come with worked examples, solutions and homeworks. Fundamental charge and relative charge Structure of a metal Conventional current and electron flow Measuring current with an ammeter Ionic solutions with cations and anions. Ions, relative charge and absolute charge Comparing ionic solutions and metal conductors Apply Kirchhoff’s First Law Kirchhoff’s First Law in mathematical form Kirchhoff’s First Law in written form Describing conservation laws Women in Science - Emmy Noether CERN and jobs in physics Number density for conductors, semi-conductors, and insulators Calculating cross-sectional area Apply the mean drift velocity equation. Derivation of Mean Drift Velocity Equation

OCR A level Physics: Ideal Gas is a part of the Module 5: Newtonian World and Astrophysics. All presentations come with worked examples, solutions and homeworks.

All resources for P8.2 Powering Earth GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material. Types of different energy sources Renewable and non-renewable definitions Different uses of energy sources - transport, heating, and generating electricity Advantages and disadvantages of different energy sources Fossil fuels – oil, coal, and natural gas. Nuclear fuel – Uranium Biofuels – wood, biodiesel, and biogas. The sun - solar (PV) panels and solar heating panels Tides Waves Hydroelectricity Wind Geothermal How use of energy resources have changed over time. (Biofuels, Fossil Fuels, Nuclear, Renewable). How energy use has increased (increase population and development of technology) Explain patterns and trends in the use of energy resources. Fossil fuels are finite and will run out at current consumption levels. Structure of the National Grid Step-up and Step-down transformers How transformers increase the efficiency of the National Grid Number of turns and potential difference Current and potential difference in primary and secondary coils Domestic Electrical Supply being 230 V, AC at 50 Hz. Direct potential difference and alternating potential difference. Reasons for insulation on wires. Potential Difference between different conductors. Function of the earth conductor. Double insulation and no earth wire. Reasons the live wire is dangerous. Reasons why live to earth is dangerous.

OCR AS level Physics presentations for module 4: Quantum Physics. All presentations are full lesson PowerPoints with worked examples and homeworks with complete worked answers. The Photon Model Energy of a single photon Converting from electron-volts to Joules. Frequency of the electromagnetic spectrum Determining Plank’s constant with LEDs Threshold potential difference difference Photoelectric Effect Threshold frequency Producing photoelectrons Kinetic energy of photoelectrons Linking frequency and wavelength The electromagnetic spectrum, frequency and energy. Einstein’s Photoelectric Equation The photoelectric equation Work function and Kinetic Energy Determining work function from a graph Determining threshold frequency from a from graphical analysis. Determining Plank’s constant from graphical analysis. Wave Particle Duality deBroglie wavelength equation Diffraction of electrons and protons Comparing wavelengths of particles with different masses Kinetic energy and wavelength

Resources for C2.3 GCSE OCR Chemistry Gateway 9-1 Triple and Combined (Higher and Foundation) is covered in this material. Includes: Carbon Changing State Bulk Properties Nanoparticles

Resources for P5.2 GCSE OCR Physics Gateway 9-1 Triple and Combined (Higher and Foundation) is covered in this material. Each lesson includes student activities and full worked answers. Law of reflection Labeling and measuring angles of incidence and reflection Practical activity instructions - fully animated. Reflection, absorption, and refraction is affected by wavelength of electromagnetic wave. Refraction the change of velocity - speed and direction Magnitude of refraction depending on wavelength Magnitude of refraction depending on optical density Refraction practical activity instructions Wave speed, wavelength, and frequency relationship in refraction Convex and Concaves lenses Eyes and corrective lenses Refraction and wavelength Focal points for lenses Determining the type of images produced through a lens Names of colours for the visible spectrum Coloured filters Coloured objects acting as a coloured filters White light and refracting prism Refraction and wavelength Specular reflection Diffuse scattering Scattering - Why the sky is blue and milk is white.

All resources for P8.1 Physics on the move GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material. Average speeds of walking, running, cycling, cars, trains, wind, sound, and light. The speed equation The acceleration equation Explaining average speed camera Explaining instantaneous speed camera Estimating everyday accelerations Calculating speed from rotation speed and circumference of wheels Converting from miles per hour to meters per second Reaction time definition Factors that increase reaction time Simple reaction time experiment Thinking distance Rearranging equations Speed equation (Final velocity)2 – (Initial velocity)2 = 2 x Acceleration x Distance v2 – u2 = 2 a s Factors affecting braking distance Total stopping distances Calculating area of a velocity-time graph for displacement (distance traveled). Rearranging equations MOT testing Large accelerations produce large forces. Values of g that cause severe injury or death Road Safety Newton’s First Law and seat belts Crumple zones Force = Mass x Acceleration Acceleration = Change in velocity /Time taken Estimating speed, accelerations and forces involved in large accelerations for everyday road transport.

OCR Applied Science Level 3 - Module 21: Product Testing Techniques. 2.1 Types of testing i.e.: • in-vitro • in-vivo • titration • extraction and separation 2.2 Laboratory testing during development i.e.: • formulation • production • quality control and assurance • after sale monitoring. 2.3 Effectiveness of test i.e.: • Appropriate test method • Data collection validity and reliability • Consistent chemical composition • Hazards and risks of use (e.g. toxicity, possible mutagenic and teratogenic effects, microbiological safety)

All resources for B1.4 Photosynthesis GCSE OCR Biology Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material. Each PowerPoint is a whole lessons included with student activities and animated answers. Word and symbol equation for photosynthesis. Carbon dioxide diffuses from the air through the stomata. Water travels by osmosis through the root hair cells. Photosynthesis occurs inside the plant’s chloroplast. Chloroplasts contain a green pigment called chlorophyll. Photosynthesis is an endothermic reaction. The two main stages of photosynthesis. Comparing photosynthesis and aerobic respiration. The positive test for starch Experimental procedure for testing starch in leaves. Testing for the need of chlorophyll for photosynthesis. Testing for the need of light for photosynthesis. Testing for the need of carbon dioxide for photosynthesis. Testing oxygen produced via photosynthesis. Testing light intensity affects photosynthesis. Definition for rate of photosynthesis The rate of photosynthesis affects the rate of biomass Limiting factors include, light level, carbon dioxide concentration, and temperature. Graphs for rate of photosynthesis against light level, carbon dioxide concentration, and temperature. Plotting data graphs. Experimental procedures to investigate how the rate of photosynthesis is affected by: Light level Temperature Carbon dioxide concentration Inverse square law for relative light intensity

OCR A level Physics: Oscillations and Simple Harmonic Motion is a part of the Module 5: Newtonian World and Astrophysics. All presentations come with worked examples, solutions and homeworks.

OCR A level Physics: Chapter 24 Particle Physics is apart of the Module 6: Particle and Medical Physics All presentations come with worked examples, solutions and homeworks. 24.1 Alpha-particle scattering experiment 24.2 The Nucleus 24.3 Antiparticles, Leptons, & Hadrons 24.4 Quarks 24.5 Beta decay Developments of scientific models Thompson’s plum-pudding model Rutherford’s nuclear (planetary) model Rutherford’s experiment, observations, and conclusions Using Coulomb’s law to find the minimum distance between particles Nucleons Isotopes Nuclear notation Atomic mass units (u) Radius for atomic nucleus equation Volume and density of atomic nuclei The strong nuclear force Antiparticles, their properties, and symbols Particle and antiparticle annihilation The four fundamental forces (strong nuclear, weak nuclear, electromagnetic, and gravitational forces) and their properties. Definition and examples of hadrons and leptons. The Standard Model of particle physics Quarks, anti-quarks and their charges Baryons and mesons Properties of neutrinos Nuclear notation Nuclear decay equations Beta-plus and beta-minus decays Quark transformation

OCR A level Physics: Chapter 22 Electric Fields is apart of the Module 6: Particle and Medical Physics All presentations come with worked examples, solutions and homeworks. 22.1 Electric Fields 22.2 Coulomb’s Law 22.3 Uniform electric fields and capacitance 22.4 Charged particles in uniformed electric fields 22.5 Electric potential and energy Electric field line pattern from point charges, uniformly charged objects, and capacitors. Rules for electric field lines Interacting field lines for attraction and repulsion Detecting electric fields with a charged gold leaf Definition of electric field strength Explaining that electric field strength is a vector with magnitude and direction Apply the equation for electric field strength Electric force related to the product of charge and square of the separation The constant of proportionality 𝑘 Permittivity of free space Experiment for investigating Coulomb’s Law Electric Field Strength and Coulomb’s Law Liquid crystal displays (LCDs) Electric field between two charged parallel plates Deriving an equation for electric field strength of a parallel plate capacitor. Accelerating charged particles in a uniformed electric field Capacitance of a parallel plate capacitor with an insulating (dielectric) material - relative permittivity Millikan’s experiment Equations for constant acceleration Maximum kinetic energy of a charged particle in a uniformed field Sketching trajectories for charged particles in uniformed fields Calculating velocities for horizontal and vertical components Definition of electric potential energy Definition of electric potential. Definition of electric potential difference. Using a force-distance graph to determine electric potential energy Using electron-volts and joules in calculations Capacitance of an isolated charged sphere

OCR AS level Physics presentations for module 3: Materials. All presentations come with worked examples, solutions and homeworks. This covers topics from Newton’s laws to conservation of momentum in two dimensions.

OCR A level Physics: Chapter 20 Cosmology (Big Bang) is apart of the Module 5: Newtonian world and Astrophysics. All presentations come with worked examples, solutions and homeworks. 20.1 Astronomical Distances 20.2 The Doppler Effect 20.3 Hubble’s Law 20.4 The Big-bang Theory 20.5 Evolution of the Universe Astronomical distances: light-years, parsec, astronomical unit Astronomical angles - degree, arcminute, arcsecond Parallax Angle The definition of the Doppler effect Changes in pitch of sound waves due to relative motion Absorption spectra and electron energy levels Red-shift and blue-shift absorption spectra The Doppler equation The condition for velocity for the Doppler equation The Cosmological Principle Hubble’s Observations Hubble’s Law Hubble’s constant and the gradient of a graph Converting between km s-1 Mpc-1 into s-1 The expanding Universe model. Georges Lemaître’s Theory Evidence for the Big Bang Model Hubble’s Law (expanding Universe) Microwave Background Radiation Source of the Microwave Background Radiation Hubble’s constant and the age of the Universe The evolution of the Universe from the Big-bang to 13.7 billion years later The composition of the Universe Experimental evidence for dark matter Experimental evidence for dark energy

All resources for P8.2 Powering Earth GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material. Key facts about the Big-Bang model Cosmic Microwave Background (CMB, CMBR) Doppler Red shift of light from stars in galaxies Hubble’s evidence of absorption spectra being red shifted Structure of the solar system Nuclear Fusion Evolution of large stars Evolution of Sun like stars Gravitational force and force from nuclear fusion Natural Satellites Geostationary Satellites Low Polar Orbit Satellites Speed is constant and velocity is changing in stable orbits. Changing speed and radius Gravitational force, acceleration, and speed. Plotting data and describing relationships All objects emit electromagnetic radiation Describe how changing temperature changes frequency, wavelength, and intensity of the radiation produced. Explain why objects change temperature by absorbing and emitting radiation. Explain why the temperature of the Earth changes due to greenhouse gases in the atmosphere. S and P waves Structure of the Earth Reflection, absorption, and refraction of waves Sonar to map the ocean floor

OCR A level Physics: Thermal Physics apart of the Module 5: Newtonian World and Astrophysics. All presentations come with worked examples, solutions and homeworks.

OCR AS level Chemistry: Basic Concepts of Organic Chemistry apart of the Module 4: Core Organic Chemistry and Analysis All presentations come with worked examples, solutions and homeworks

OCR AS level Chemistry: Alkenes is apart of the Module 4: Core Organic Chemistry and Analysis All presentations come with worked examples, solutions and homeworks Comparing pi-bond (π-bond) and sigma bonds (σ-bonds). Aliphatic alkenes and alicyclic arrangements of molecules s, p, d orbitals for electrons Trigonal planar shape of alkanes leading to 120 degree bond angle. E/Z isomerism Conditions for trans- and cis- isomerism Cahn-Ingold-Prelog rules and priority ordering Alkene addition reactions: Hydrogen with a nickel catalyst Halogens Hydrogen halide Steam with an acid catalyst Test for unsaturated alkenes. Bond enthalpy for sigma and pi bonds. Electrophile molecules Electronegativity Reaction mechanisms for addition reaction of alkenes and hydrogen halides Carbocations and stability Markownikoff’s Rule Monomers and repeat units Addition Polymerisation for: Polyethene Polypropene Polylactate Polystyrene Polyvinyl Chloride (PVC) Environmental Concerns from polymers including: Combustion of polymers recycling PVC biogradeable bioplastics photodegradable polymers feedstock recycling