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 P6.1.5 Radiation in and out of atoms. This PowerPoint is a whole lessons included with student activities and animated answers. Arrangements of electrons and distance from the nucleus Electron energy levels Absorbing electromagnetic radiation Electromagnetic radiation and energy Absorption spectra Emission spectra Discovery of helium

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

OCR A level Chemistry: 29.6 Combined Techniques This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Percentage yield to determine empirical formula Mass spectra Infrared spectra Carbon-13 NMR spectra Proton NMR spectra

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

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

This presentation covers OCR Gateway Physics 9-1 P1.2.2. Content covered: Definition for vector and scalar Vector addition in 1 D Vector addition in 2 D Scaled drawings and Pythagoras’ theorem Worked examples and student problems with answers included

This presentation covers OCR Gateway Physics 9-1 P2.2.4 Newton’s Second Law in Mathematical Form Proportionalities Rearranging Equations Student’s problems with answers Exam style questions with solutions

This presentation covers OCR Gateway Physics 9-1 P2.3.5 Simple Machines • Uses of simple machines • Simple machines as force multipliers • Mechanical advantage equation • Gears – ratios, speed, direction • Rearranging equations • Exam style questions with solutions • Student problems with answers

This presentation covers OCR Gateway Physics 9-1 P6.2.2 Nuclear Fission This PowerPoint is a whole lessons included with student activities and animated answers. Conservation of mass Uranium as a nuclear fission fuel Nuclear fission process Chain reactions in nuclear fission reactions Control rods and moderators in nuclear reactors Benefits and disadvantages of nuclear fission reactors. Mass-Energy Equivalence

OCR A Level Physics: Simple Harmonic Motion and Oscillations presentation, homework and answers.

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.

This presentation covers OCR Gateway Physics 9-1 P8.3.1 The Big-Bang This PowerPoint is a whole lessons included with student activities and animated answers. 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

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: • Using Standard Form • Avogadro’s constant • Relative Atomic Mass, Relative Formula Mass and Molar Mass • Rearranging Equations • Calculating the number of moles present

This PowerPoint presentation with worked examples and student questions covers: Definitions for anions, cations, anodes, cathodes. Tests for carbonate ions Tests for sulfate ions Tests for halide ions

This presentation covers OCR Gateway Physics 9-1 P5.1.1a WaTypes of wave. Includes student activities and full worked answers. Definition of a wave Mechanical waves Electromagnetic waves Transverse waves Longitudinal waves

OCR AS Chemistry: 13.3 Reactions of Alkenes This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: 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.

OCR AS Physics A: Thermistor is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Thermistor uses Thermistors with negative temperature coefficients Plotting I-V curves for thermistors Creating an experiment to test thermistors.