This PowerPoint presentation with worked examples and student questions covers: • Modelling potential difference and current • Circuit symbols and units • Measuring potential difference • Series and Parallel circuits

OCR AS level Physics: Acceleration 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: • Dalton, Thomson, Rutherford and Bohr’s models • Comparing different scientific models of the atom

This PowerPoint presentation with worked examples and student questions covers: • Relative atomic mass • Understanding chemical formulas • Relative formula mass

This PowerPoint presentation with worked examples and student questions covers: • Calculate empirical formula and by finding the simplest whole-number ratio • Calculate relative formula mass from balanced equations.

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: • Oxidation and reduction reactions for oxygen • Identification of oxidation and reduction agents • Oxidation and reduction reactions for electrons • Half equations to determine oxidation and reduction

This PowerPoint presentation with worked examples and student questions covers: • Word equations for neutralisation reactions • Describing how ions form salts • Describing how water is formed • Predicting the names of salts formed

OCR AS Chemistry: 12.2 Chemical Reactions of Alkanes This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Combustion reactions Incomplete combustion reactions Balancing equations Using algebraic equations Radical substitution reactions Reaction mechanism for haloalkanes - Initiation, Propagation, and Termination Monosubstituted (positional isomers) isomers

This presentation covers OCR Gateway Physics 9-1 P3.1.2 Electrical Current Conditions for current to flow Conventional current and electron flow Measuring current with ammeters Current at junctions Converting from mA to A Rearranging equations Determining current and charge flow with equation

This presentation covers OCR Gateway Physics 9-1 P1.2.4 Specific Latent Heat Presentation covers Changes of State - Phase changes Interactive Graph Equation with example Questions with solutions for SLH equation Exam style question with answer

This presentation covers OCR Gateway Physics 9-1 P1.2.3 Presentation includes: Definition of SHC Real life examples of SHC SHC equation with example SHC equation questions with worked solutions Exam question with solution

This presentation includes: Pressure x Volume = Constant Worked Examples Plotting of pressure-volume graph Explanation of increasing energy and temperature with bike pump

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

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 P7.1.4 Work Done and Spring Energy. Use of Springs Measuring Extension of a Spring Rearranging Spring Energy Equation Rearranging Kinetic Energy Equation Practice Questions with Worked Solutions

This presentation covers OCR Gateway Physics 9-1 P7.2.3 Electrical Heating Transfers. All presentations come with student activities and worked solutions. Walls and Insulation Thermal energy dissipation Reducing thermal energy dissipation with lubrication and insulation Heating substances and state changes Work done = Power x Time Change in thermal energy = Mass x Specific Heat Capacity x Change in temperature Thermal energy for state change = Mass x Specific latent heat

OCR AS Chemistry: The Chemistry of Haloalkanes This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Naming Haloalkanes Classifying Haloalkanes (primary, secondary, tertiary) Electronegativity Reaction mechanism for hydrolysis Rates of reactions for hydrolysis Reaction conditions for hydrolysis

OCR AS Chemistry: 14.2 Reactions of Alcohols This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided. This lesson covers: Combustion of alcohols Reflux condition for reactions Primary alcohol to aldehydes Primary alcohols to carboxylic acids Secondary alcohols to ketones Dehydration of alcohols Substitution reactions for alcohols

This presentation covers OCR Gateway Physics 9-1 P5.1.4 Sound in Solids and the Ear. Includes student activities and full worked answers. Structure of the ear. Frequency range of human hearing. Explanation of the limited frequency range of humans. Explanation for hearing deteriorating with age.