This PowerPoint presentation with worked examples and student questions covers: • Definitions of elements, isotopes, and ions • State mass number, atomic number, and chemical symbols • Calculate the number of neutrons

This PowerPoint presentation with worked examples and student questions covers: Definitions for solution, solute, solvent, insoluble, soluble. The technique of filtration The technique of crystallisation

This PowerPoint presentation with worked examples and student questions covers: • The position of metals and non-metals on the periodic table • The ions metals and non-metals form • The ion composition of solutions • Electrodes, cations and anions • The products of electrolysis of solutions • Keyword descriptions and revision tips

This PowerPoint presentation with worked examples and student questions covers: • Functional groups of carboxylic acids, alcohols, alkanes, and alkenes. • Mnemonic device for naming carboxylic acids • General formula for carboxylic acids • Drawing the structural formula for carboxylic acids • Carboxylic acids as weak acids and • Acid reactions with bases, metals, and carbonates • Oxidation reactions from alcohols to carboxylic acids

OCR AS Physics A: Diodes is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Polarity of diodes Conventional current and diodes Plotting I-V curves for diodes Describing I-V curves for diodes

OCR AS Physics A: Combining Resistors is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Rules for adding resistors in series and parallel Applying adding resistors in series and parallel

This presentation covers OCR Gateway Physics 9-1 P5.3.3 Light and Colour Includes student activities and full worked answers. 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.

This presentation covers OCR Gateway Physics 9-1 P7.2.1 Electrical Power and Work Done. All presentations come with student activities and worked solutions. Definition of power Converting between W and kW Converting between seconds, minutes, and hours Calculating work done in kWh and J Converting between kWh and J

This presentation cover the OCR Gateway Physics 9-1 P5.2.2 Uses and Dangers of EM radiation. PowerPoint includes student activities with full worked answers. Recall that light is an electromagnetic wave Give examples of some practical uses of electromagnetic waves in the radio, micro-wave, infra-red, visible, ultraviolet, X-ray and gamma-ray regions Describe how ultra-violet waves, X-rays and gamma rays can have hazardous effects, notably on human bodily tissues. Explain that electromagnetic waves transfer energy from source to absorber to include examples from a range of electromagnetic waves Precautions for ultra-violet waves, X-rays and gamma rays

This presentation covers OCR Gateway Physics 9-1 P3.1.1 Electrostatics Subatomic particles and electric charge Transfer of electric charge Attraction and repulsion from electric charge Electric field lines Interaction of electric field lines Van der Graff generator

This presentations covers the OCR Gateway Physics 9-1 P3.2.3 Resistance Combining resistors in series Combining resistors in parallel Modeling resistance, current, and potential difference with a rope. The relationship between potential difference and current The relationship between resistance and current Ohm’s law Rearranging equations Worked examples and student questions Explaining how increasing current increases resistance in a metal conductor and filament lamp.

This presentation covers OCR Gateway Physics 9-1 P4.1.1 Magnets and Magnetic Fields. Rules for repulsion and attraction Magnetic Field Line Rules Magnetic field density and magnetic force Modeling the Earth as a Bar Magnet Permanent and Induced Magnets Magnetic Domains

This presentation covers material for OCR Physics Gateway 9-1 P2.1.1 Covered: Measuring and calculating Accuracy of stop watch vs light gate Conversion of units Exam style question Worked examples Students questions with answers

OCR AS level Physics: Current and Charge is a part of the Module 4: Electrons, Waves, and Photons. Presentation come with worked examples, solutions and homeworks.

OCR AS level Physics: Derived Units is a part of the Module 2: Foundations of Physics Full lesson PowerPoint with worked examples and homework with complete worked answers. Indices Notation Converting from Celsius to Kelvin. Determining base units from derived units.

OCR AS level Physics: Adding Vectors is a part of the Module 2: Foundations of Physics Full lesson PowerPoint with worked examples and homework with complete worked answers. Adding vectors in 1 D Adding vectors in 2 D Vector triangles Using Pythagoras’ theorem to determine the magnitude Using trigonometry to determine the direction

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

OCR AS level Physics: Einstein’s Photoelectric Effect Equation is a part of the Module 4: Electrons, Waves, and Photons. Full lesson PowerPoint with worked examples and homework with complete worked answers. 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.

This PowerPoint presentation with worked examples and student questions covers: • Differences between physical and chemical changes • Explain why physical changes are generally easier to reverse

This PowerPoint presentation with worked examples and student questions covers: Definitions of pure and impure substances Definition of an alloy Identification of purity with melting points Plotting graphs and data analysis