OCR AS Physics A: The Photon Model is a part of the Module 4: Electrons, Waves, and Photons. Full lesson PowerPoint with worked examples and homework with complete worked answers. 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

This presentation covers OCR Gateway Physics 9-1 P8.2.2 Energy Resources This PowerPoint is a whole lessons included with student activities and animated answers. 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.

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

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

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: Deforming Materials is a part of the Module 3: Materials Presentation come with worked examples, solutions and homeworks.

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

OCR AS level Physics: Stress, Strain and Young Modulus is a part of the Module 3: Materials. Presentations come with worked examples, solutions and homeworks.

OCR AS level Physics: Collisions in 2D is a part of the Module 3: Laws of Motion and Momentum. Presentations come with worked examples, solutions and homeworks.

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

OCR AS level Physics: Resistance and Resistivity is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Factors affecting resistance Calculating resistivity Resistivity and temperature Experimentally determining resistivity Using a graph to calculate resistivity

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

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

OCR AS level Physics: The Photoelectric Effect is a part of the Module 4: Electrons, Waves, and Photons. Full lesson PowerPoint with worked examples and homework with complete worked answers. Threshold frequency Producing photoelectrons Kinetic energy of photoelectrons Linking frequency and wavelength The electromagnetic spectrum, frequency and energy.

This PowerPoint presentation with worked examples and student questions covers: • Dalton, Thomson, Rutherford and Bohr’s models • Comparing different scientific models of the atom

This PowerPoint presentation with worked examples and student activities covers: Topic 2.1 of Science Fundementals of the OCR Applied Science Spec. Types of mixtures to include solutions, colloids and suspensions Difference between colloids and suspensions in terms of particle size Uses of common colloids in nature and medicine Types of colloids to include aerosols, emulsions, foams, gels and sols Significance of colloids in nature and medicine Alloys as mixtures of metals The character and features of alloys Uses of common alloys to include amalgam, solder, bronze, titanium alloy

This PowerPoint presentation with worked examples and student questions covers: • Definition of technique for paper chromatography • Experimental procedure • Definitions of stationary and mobile phase • Application of Rf equation with examples and answers

This PowerPoint presentation with worked examples and student questions covers: • Changes of state • The technique of simple distillation • Concentration of solute increasing in distillation • Jobs related to chemistry • Key word test Insoluble, Soluble, Solvent, Solute, Solution, Distillation, Filtration, and Crystallisation

This PowerPoint presentation with worked examples and student questions covers: • pH 0 - 14 scale with household examples • Definitions for acids, bases and alkali substances • Universal indicator and pH probes • Using equalities and inequalities

OCR Applied Science Level 3 - Module 21: Product Testing Techniques. 3.1 Titration techniques on consumer products • Acid-base titration (e.g. limescale removers, eco-disinfectants) • Precipitation titration (e.g. contact lens saline solution) • Redox titration, (e.g. bleach, tooth whitener; vitamin C tablets). • Complexometric titrations (e.g. Milk of Magnesia) Including explanation and activities on: Titration calculations Moles and molar mass Rearranging Equations State symbols Significant Figures Comparing Data