OCR A level Chemistry: 29.1 Chromatography and Functional Group Analysis This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Thin layer chromatography (TLC) Rf values Gas chromatography (GC) Gas chromatograms Retention time and peak integrations Calibration curves from retention time and relative peak area Differentiation of functional groups: alkene, primary and secondary alcohols, aldehydes, cabonyl compounds, carboxylic acids, and haloalkes.

OCR A level Chemistry: 27.1 Amines This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Aliphatic and aromatic hydrocarbons Amines being derived from ammonia (NH3) Classifying amines as primary, secondary, and tertiary Naming amines Naming ammonium salts Amines neutralisation reactions with acids Preparation of aliphatic amines Preparation of aromatic amines

OCR A level Chemistry: 29.3 Carbon-13 NMR Spectroscopyy This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Identifying different carbon environments The types of carbon environment The amount of chemical shift ẟ / ppm

OCR A level Chemistry: 28.2 Further Practical Techniques This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Filtration under reduced pressure Purification through Recrystallisation Preparation of Melting Point Sample Melting point determination with an electric heater Melting point determination with a Thiele tube

OCR AS level Physics: Moments and Equilibrium is a part of the Module 3: Forces and Motion Presentation come with worked examples, solutions and homeworks.

This PowerPoint presentation with worked examples and student questions covers: • Describing the limitations of the model: lack of forces between particles, size of particles, and space between the particles. • Mathematically comparing sizes and distances of particles

This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Forming nitriles from haloalkanes Forming nitriles from aldehydes and ketones Forming amines from nitriles (reduction) Forming carboxylic acids from nitriles (hydrolysis) Friedel-Crafts alkylation of benzene Acylation of benzene with acyl chloride

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 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: Naming acyl chlorides Naming acid anhydrides Naming esters Esterification Acid hydrolysis of esters Alkali hydrolysis of esters Producing acyl chlorides from carboxylic acids Producing carboxylic acids from acyl chlorides Producing esters from acyl chlorides and phenols Primary, secondary, and tertiary molecules Producing primary amides from acyl chlorides Producing secondary amides with acyl chlorides Producing esters and carboxylic acids wirh acid anhydride

OCR A level Physics: Centripetal Force and the Radian is a part of the Module 5: Newtonian world and astrophysics. All presentations come with worked examples, solutions and homeworks with answers.

OCR A level Chemistry: 25.1 Introducing Benzene This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: 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

This presentation covers OCR Gateway Physics 9-1 P2.2.3. PowerPoint with multiple student activities and complete worked answers. Newton’s First Law definition Balanced and unbalanced forces producing accelerations Acceleration being the change in velocity The principle of inertia Definition for equilibrium

OCR AS level Physics: Free-body diagrams is a part of the Module 3: Forces and Motion Presentation come with worked examples, solutions and homeworks.

This presentation covers OCR Gateway Physics 9-1 P7.1.1 Energy stores Examples, units, and equations of each energy store: Kinetic Gravitational potential Elastic Thermal Magnetic Electrostatic Chemical Nuclear Student activities with full worked answers also included.

OCR AS level Physics: Mean Drift Velocity is a part of the Module 4: Electrons, Waves, and Photons. Presentation come with worked examples, solutions and homeworks. 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 AS level Physics: Triangle of Forces is a part of the Module 3: Forces and Motion Presentation come with worked examples, solutions and homeworks.

OCR AS level Physics: Drag and Terminal Velocity is a part of the Module 3: Forces and Motion Presentation come with worked examples, solutions and homeworks. Drag and speed relationship Free body diagrams Net forces and acceleration

OCR A level Physics: Angular Acceleration and the Radian is a part of the Module 5: Newtonian world and astrophysics. All presentations come with worked examples, solutions and homeworks with answers.

OCR A level Physics: Angular Velocity and the Radian is a part of the Module 5: Newtonian world and astrophysics. All presentations come with worked examples, solutions and homeworks with answers.