This presentation covers OCR Gateway Physics 9-1 P5.3.2 Includes student activities and full worked answers. Convex and Concaves lenses Eyes and corrective lenses Refraction and wavelength Focal points for lenses Determining the type of images produced through a lens

OCR A Level Physics:Newton’s Law of Gravitation presentation, homework and answers.

OCR AS Physics A: Electromagnetic Waves 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 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: Interference 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: • Filled outer shells result in more stable electronic structures. • The electronic configuration ionic compounds • Models of giant ionic structures

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

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: Tests for Hydrogen, Oxygen, Carbon Dioxide, Chlorine. Gifs of each gas test Electron structure for diatomic molecules

OCR A level Chemistry: 25.2 Electrophilic Substitution Reactions of Benzene This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Defining an electrophile Substitution reactions Nitration of Benzene Reaction mechanisms Halogenation of Benzene Common Halogen Carriers Friedel-Crafts Alkylation Reactions Acyl Chloride Acylation Reactions of Benzene Reactivity of Alkenes and Arenes

OCR A level Physics: 18.7 Gravitational Potential Energy 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: Radial and uniformed field Definition of gravitational potential energy Deriving escape velocity Force-Distance graphs for gravitational fields

This presentation covers OCR Gateway Physics 9-1 P6.1.2 Alpha, Beta, Gamma Radiation. All presentations come with student activities and worked solutions. Types of radiation - alpha, beta, gamma, and neutrons Ions and Atoms Ionising Radiation Geiger counter Range and penetrative power Precautions using radiation sources Exam question with solution

This presentation covers OCR Gateway Physics 9-1 P8.3.5 Inside our planet This PowerPoint is a whole lessons included with student activities and animated answers. S and P waves Structure of the Earth Reflection, absorption, and refraction of waves Sonar to map the ocean floor

These two lesson presentations covers OCR Gateway Physics 9-1 P7.2.4 Thermal conductivity and Cooling Curves Definition for thermal conductivity Energy transfers and conservation of energy Reducing energy dissipation Practical procedure and results analysis

This PowerPoint presentation with worked examples and student questions covers: Choosing equipment with higher resolution Planning an experiment to determine acceleration

This PowerPoint presentation with worked examples and student questions covers: • Pathways into medical chemistry • State the number of atoms from a chemical formula. • Properties of metals and non-metals • Determine state symbols for chemical equations • Balancing chemical equations

This PowerPoint presentation with worked examples and student questions covers: • State the number of electrons in each energy level. • Determine what type of ion an atom would form. • Calculate the ionic charge an atom would form with use of the periodic table. • Groups number, outer shell electrons, dot and cross diagrams

This PowerPoint presentation with worked examples and student questions covers: • Reaction profiles for exothermic and endothermic • Energy stores of particles and surroundings • Activation energy • Describing the main features of reaction profiles.