OCR A level Physics: Root mean square speed is a part of the Module 5: Newtonian World and Astrophysics. The PowerPoint presentation includes worked examples, solutions and a homework.

OCR A Level Physics: The Boltzmann constant presentation with homework and answers

OCR A Level Physics: Analysing Simple Harmonic Motion presentation with homework and answers.

OCR A level Physics: Specific Heat Capacity is a part of the Module 5: Newtonian World and Astrophysics. The PowerPoint presentation includes worked examples, solutions and a homework.

OCR A level Physics: Gas Laws is a part of the Module 5: Newtonian World and Astrophysics. The PowerPoint presentation includes worked examples, solutions and a homework.

OCR A Level Physics: Gravitational Fields presentation, homework and answers.

OCR A Level Physics: Resonance presentation with homework and answers

This PowerPoint presentation with worked examples and student activities covers: Topic 4.3 of Module 1: Science Fundamentals of the OCR Applied Science Spec. • Stating definitions and comparing structural isomers and stereoisomers. • Condensed structural formula • Lines of symmetry for structural isomers • Cis- and Trans isomers • Optical isomers as non-superimposable mirror images. • Wedge and Dash Notation • Identifying chiral centres (asymmetric carbons) • Le Bel-van’t Hoff rule • Determining the maximum number of isomers.

OCR AS Chemistry: 13.5 Polymerisation of Alkenes This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: 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

OCR A level Chemistry: 26.2 Identifying Aldehydes and Ketones This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Testing for Carbonyl Groups Brady’s reagent - 2,4-dinitrophenylhydrazine - 2,4-DNP Distinguishing between Aldehydes and Ketones Tollen’s reagent - silver nitrate in aqueous ammonia

This presentation covers OCR Gateway Physics 9-1 P3.1.2 Electrical Current Electron flow and conventional current Measuring current with ammeters Series and parallel circuits Comparing current at junctions

This PowerPoint presentation with worked examples and student activities covers: Topic 6.1 of Module 1: Science Fundamentals of the OCR Applied Science Spec. • Interpreting laboratory tests for stress-strain graphs and Young’s modulus • Awareness that repeated loading cycles may cause failure by fatigue below the yield strength • Use of diagrams to understand that the way molecules are arranged in polymers determines the properties: chain length, crosslinking, use of plasticizers and crystallinity. • Use and rearranging of the density equation.

OCR A level Chemistry: 26.3 Carboxylic Acids This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: The Carboxyl Group and polarity of bonds. Naming carboxylic acids Carboxylic acids as weak acids Reactions of carboxylic acids with: Metals Metal oxides Alkali Carbonates Changing solubility of carboxylic acids in water due to carbon chain length.

This presentation covers OCR Gateway Physics 9-1 P3.2.8 Electrical Power. Definition of power Standard form for kW and MW The three equations for power Rearranging electrical power equations Derivation of P = I^2 R with subsitution Students questions and worked solutions

This presentation covers OCR Gateway Physics 9-1 P1.1.1 Covers: Scientific Models Ancient Greek Model Dalton’s Model JJ Thomson’s model

OCR A level Physics: 24.1 Alpha-particle Scattering Experiment Module 6 Particles and Medical Physics This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: 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

OCR AS Physics A: Intensity is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS level Physics: Progressive Waves is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS Chemistry: 16.1 Practical Techniques in Organic Chemistry This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Heating under reflux Distillation Re-distillation Purifying Organic Products Removing impure acids from organic compounds Drying agents

OCR A level Physics: 18.5 Satellites Module 5 Newtonian World and Astrophysics This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Key features of geostationary and low polar orbit satellites Conditions for stable orbits for satellites Applying Kepler’s laws to the orbits of satellites