This PowerPoint presentation with worked examples and student questions covers: • Changes of state • The technique of simple distillation • Concentration of solute increasing in distillation • Jobs related to chemistry • Key word test Insoluble, Soluble, Solvent, Solute, Solution, Distillation, Filtration, and Crystallisation

This PowerPoint presentation with worked examples and student questions covers: • Choosing the correct separation technique • Comparisons of mobile and stationary phases for chromatography • Rf Values • Analysing chromatographs in gas chromatography

This PowerPoint presentation with worked examples and student questions covers: • Experimental Procedure for Thin Layer Chromatography • Analysing and calculating Rf Values • Pros and cons of paper and TL chromatography • Experimental procedure for Gas Chromatography • Persuasive writing and embedding literacy in science

This PowerPoint presentation with worked examples and student questions covers: • Relative size of nanoparticles • Convert nanometres using standard form • Uses and dangers of nanoparticles

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 atoms from a chemical formula. • Relative Atomic masses and relative formula mass • Practical activity of non-closed chemical reactions.

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

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

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 presentation covers OCR Gateway Physics 9-1 P4.1.2 Current and Magnetic Fields. Current Produces Magnetic Fields Experiment to Demonstrate Magnetic Field Lines Right-hand Corkscrew Explanation Solenoids MRI imaging

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

GCSE OCR Physics: Motion Revision lesson with exam questions

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: • Word equations for neutralisation reactions • Describing how ions form salts • Describing how water is formed • Predicting the names of salts formed

This presentation covers OCR Gateway Physics 9-1 P7.1.1b Energy stores transfers and Conservation of energy. This PowerPoint covers while including student activities and worked answers: The law of conservation of energy. The energy transfer pathways: Mechanically – with forces Electrically – with current Heating by particles Heating by radiation Describing stores and transfers for: Object projected upwards or up a slope, A moving object hitting an obstacle, An object being accelerated by a constant force, A vehicle slowing down, Bringing water to a boil in an electric kettle

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 P6.1.1 Atoms and Isotopes All presentations come with student activities and worked solutions. Structure of atom Properties of subatomic particles Atomic Number Mass Number Nuclear Notation Calculating the number of neutrons

These presentations cover the OCR Gateway Physics 9-1 P5.2.1 Electromagnetic Waves. Includes student activities and full worked answers. Order of the electromagnetic spectrum Wavelength and frequency relationship Application of wave speed equation Rearranging equation Producing and detecting radio waves

This presentation covers OCR Gateway Physics 9-1 P6.2.3 Nuclear Fusion This PowerPoint is a whole lessons included with student activities and animated answers. Mass and energy equivalence Nuclear fusion conditions Fuel for nuclear fusion Benefits of nuclear fusion Nuclear equations Comparing nuclear fusion and fission

This presentation covers OCR Gateway Physics 9-1 P3.2.7 Sensing Circuits Potential difference in series and parallel circuits Lamps in series and parallel Gravitational potential and potential difference LDR and Thermistor in potential divider circuits Using LDRs to control security lights Using thermistors to control heating/cooling circuits Exam questions with worked solutions