This PowerPoint presentation with worked examples and student questions covers: • State the number of atoms from a chemical formula. • Relative Atomic masses and relative formula mass • Practical activity of non-closed chemical reactions.

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: • Definition of Alkali Metals • Properties of Alkali Metals • Trends and anomalies in Group 1 (Density, Melting Point) • Reactivity of Group 1 Alkali Metals • Electron configuration of Group 1 Alkali Metals

This PowerPoint presentation with worked examples and student questions covers: • Group 1, 2, 7, 0 electron structures • Reactivity series for metals • Equation for metals and water • Equation for metals and acid • Displacement reactions for metals

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 AS level Physics: Centre of mass is a part of the Module 3: Force and Motion Full lesson PowerPoint with worked examples and homework with complete worked answers.

This PowerPoint presentation with worked examples and student questions covers: Proteins as polymers and amino acids as monomers Carbohydrates and simple sugars Comparing simple sugars (glucose, fructose, and sucrose) with complex carbohydrates (starch). DNA as a polymer and nucleotides as monomers Structure of nucleotides (phosphate group, a sugar (deoxyribose), and an organic base). Base pairing in DNA and hydrogen bonds

OCR AS Chemistry: 12.1 Alkanes This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Sigma bonds (σ-bonds). Tetrahedral shape and bond angles Fractional distillation Chain length and boiling point Branching and boiling point London Forces

This presentation covers OCR Gateway Physics 9-1 P5.3.1a Electromagnetic Reflection. Includes student activities and full worked answers. Law of reflection Labeling and measuring angles of incidence and reflection Practical activity instructions - fully animated. Reflection, absorption, and refraction is affected by wavelength of electromagnetic wave.

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.

OCR AS Physics: Paying for Electricity is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Converting time to hours Using different units for electrical energy Converting from J to kW hr Calculating the cost of using different electrical appliances.

This lesson presentations covers OCR Gateway Physics 9-1 P4.2.4 Generators. Uses of generators AC and DC definitions Structure of dynamos and alternators Comparing dynamos and alternators. Plotting graphs for induced potential difference from dynamos and alternators Commercial generators, 230 V at 50 Hz.

OCR A level Physics: Specific Latent Heat is a part of the Module 5: Newtonian World and Astrophysics. The PowerPoint presentation includes worked examples, solutions and a homework.

OCR A level Physics: Root mean square speed is a part of the Module 5: Newtonian World and Astrophysics. The PowerPoint presentation includes worked examples, solutions and a homework.

OCR A Level Physics: Gravitational Fields presentation, homework and answers.

This presentation covers OCR Gateway Physics 9-1 P7.1.1b Kinetic energy and Work done. PowerPoint includes student activities with fully worked answers included. Work done and kinetic energy equations Rearranging equations Mechanical energy transfer and work done Kinetic store transfered mechanically to a thermal store through brakes.

This presentation covers OCR Gateway Physics 9-1 P7.1.7 Gravitational and Elastic Energy Energy transfers with links to sport and PE. Employer-mentor links with physics and sports Exam Style Question with worked solutions Rearranging equations Practice Questions with worked solutions

This PowerPoint presentation with worked examples and student activities covers: Topic 4.3 of Module 1: Science Fundamentals of the OCR Applied Science Spec. • Stating definitions and comparing structural isomers and stereoisomers. • Condensed structural formula • Lines of symmetry for structural isomers • Cis- and Trans isomers • Optical isomers as non-superimposable mirror images. • Wedge and Dash Notation • Identifying chiral centres (asymmetric carbons) • Le Bel-van’t Hoff rule • Determining the maximum number of isomers.