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OCR A level Chemistry: Aromatic Compounds
OCR A level Chemistry: Aromatic Compounds is apart of the Module 6: Organic Chemistry and Analysis.
All presentations come with worked examples, solutions and homeworks
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
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
Naming phenols
Distinguishing between phenols and alcohols
Distinguishing between phenols and alkenes
Distinguishing between phenols and carboxylic acids
Phenol as a weak acid
Electrophilic reactions with phenols
Comparing and explaining the reactivity of phenols and benzene
Naming positions on the aromatic ring
Activating groups and deactivating groups
2-and-4-directing and 3-directing groups
ortho-and-para directing and meta directing groups
Two-step synthesis routes for benzene using directing groups.
Nitration of benzene
Halogenation of benzene
Friedel-Crafts Alkylation of benzene
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OCR A level Physics: Ideal Gas
OCR A level Physics: Ideal Gas is a part of the Module 5: Newtonian World and Astrophysics.
All presentations come with worked examples, solutions and homeworks.
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OCR AS level Physics: Materials
OCR AS level Physics presentations for module 3: Materials.
All presentations come with worked examples, solutions and homeworks.
This covers topics from Hooke’s Law to Young Modulus.
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OCR AS level Physics: Waves 2
OCR AS level Physics presentations for module 4: Waves 2
All presentations come with worked examples, solutions and homeworks.
This covers topics from Superposition of Waves to Harmonics with different boundary conditions.
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OCR A level Physics: Thermal Physics
OCR A level Physics: Thermal Physics apart of the Module 5: Newtonian World and Astrophysics.
All presentations come with worked examples, solutions and homeworks.
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OCR AS level Physics: Laws of Motion
OCR AS level Physics presentations for module 3: Materials.
All presentations come with worked examples, solutions and homeworks.
This covers topics from Newton’s laws to conservation of momentum in two dimensions.
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OCR AS level Physics: Waves 1
OCR AS level Physics presentations for module 4: Waves 1
All presentations come with worked examples, solutions and homeworks.
This covers topics from wave properties to Snell’s law and total internal reflection.
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OCR AS level Physics: Forces in Action
OCR AS level Physics presentations for module 3: Forces in Action.
All presentations come with worked examples, solutions and homeworks.
This covers topics from weight as a force to Archimedes’ principle.
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GCSE Chemistry: Alkenes
This PowerPoint presentation with worked examples and student questions covers:
• Unsaturated hydrocarbons
• Comparing alkanes and alkenes
• Mnemonic device for naming alkenes
• General formula for alkenes
• Completing addition reactions for alkenes
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OCR A level Physics: Oscillations and Simple Harmonic Motion
OCR A level Physics: Oscillations and Simple Harmonic Motion is a part of the Module 5: Newtonian World and Astrophysics.
All presentations come with worked examples, solutions and homeworks.
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OCR AS level Physics: Electrical Circuits
OCR AS level Physics presentations for module 4: Energy, Power, and Resistance.
All presentations come with worked examples, solutions and homeworks.
This covers topics from Kirchhoff’s laws to potential dividers and sensing circuits.
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OCR AS level Physics: Quantum Physics
OCR AS level Physics presentations for module 4: Quantum Physics.
All presentations are full lesson PowerPoints with worked examples and homeworks with complete worked answers.
The Photon Model
Energy of a single photon
Converting from electron-volts to Joules.
Frequency of the electromagnetic spectrum
Determining Plank’s constant with LEDs
Threshold potential difference difference
Photoelectric Effect
Threshold frequency
Producing photoelectrons
Kinetic energy of photoelectrons
Linking frequency and wavelength
The electromagnetic spectrum, frequency and energy.
Einstein’s Photoelectric Equation
The photoelectric equation
Work function and Kinetic Energy
Determining work function from a graph
Determining threshold frequency from a from graphical analysis.
Determining Plank’s constant from graphical analysis.
Wave Particle Duality
deBroglie wavelength equation
Diffraction of electrons and protons
Comparing wavelengths of particles with different masses
Kinetic energy and wavelength
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OCR A level Chemistry: Amines, Amino Acids, and Polymers
OCR A level Chemistry: Aromatic Compounds is apart of the Module 6: Organic Chemistry and Analysis.
All presentations come with worked examples, solutions and homeworks.
27.1 Amines
27.2 Amino acids, Amides and Chirality
27.3 Condensation Polymers
Aliphatic and aromatic hydrocarbons
Amines being derived from ammonia (NH3)
Classifying amines as primary, secondary, and tertiary
Naming amines
Naming ammonium salts
Amines neutralisation reactions with acids
Preparation of aliphatic amines
Preparation of aromatic amines
Locants: alpha, beta, and gamma
Functional groups of amino acids
General formula for amino acids
Reactions of amino acids (alkali and acid)
Esterification of amino acids
Amide functional groups
Naming amide molecules
Drawing optical isomers
Explanation of superimposable and non-superimposable images
Identifying chiral centers
Recap of addition polymerisation
Identifying monomers and repeat units from condensation polymers
Polyesters and ester links
Polyamides and amide links
Polyesters and polyamides formed from one monomer
Polyesters and polyamide formed from two monomers
Alkali hydrolysis of polyamides and polyesters
Acid hydrolysis of polyamides and polyesters
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OCR AS level Physics: Work, Energy and Power
OCR AS level Physics presentations for module 3: Work, Energy and Power.
All presentations come with worked examples, solutions and homeworks.
This covers topics from conservation of energy to derivations for kinetic energy.
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OCR AS level Physics: Energy, Power, and Resistance
OCR AS level Physics presentations for module 4: Energy, Power, and Resistance.
All presentations come with worked examples, solutions and homeworks.
This covers topics from circuit symbols to paying for electricity.
All circuit symbols required for OCR A level physics
Polarity of cells and batteries
Electron flow and conventional current
Calculating the base SI units for volts
Comparing potential difference and electromotive force (emf).
Circuit diagrams for measuring potential difference and emf.
Calculating energy dissipated in a circuit.
The structure of an electron gun.
The electron gun in the history of science (J.J. Thomson).
Rearranging equations to equate kinetic energy and work done.
Accelerating potential differences
Comparing the protons and electrons accelerated in a potential difference
Definition of an ohm.
Temperature and resistance for metallic conductors (wires)
The ohm in base SI units
I against V graphs and resistance
I-V Characteristics curves for ohmic components
I-V Characteristics curves for non-ohmic components
Circuit diagrams used to measure I and V.
Describing I-V Characteristics curves
Polarity of diodes
Conventional current and diodes
Plotting I-V curves for diodes
Describing I-V curves for diodes
Factors affecting resistance
Calculating resistivity
Resistivity and temperature
Experimentally determining resistivity
Using a graph to calculate resistivity
Thermistor uses
Thermistors with negative temperature coefficients
Plotting I-V curves for thermistors
Creating an experiment to test thermistors.
Materials and uses of LDRs
Creating an experiment to understand LDRs
LDRs relationship with light intensity
Converting time to hours
Using different units for electrical energy
Converting from J to kW hr
Calculating the cost of using different electrical appliances.
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GCSE Chemistry: Alcohols
This PowerPoint presentation with worked examples and student questions covers:
• Functional groups of alcohols, alkanes, and alkenes.
• Comparing incomplete and complete combustion of alcohols
• Mnemonic device for naming alcohols
• General formula for alcohols
• Drawing the structural formula for alcohols
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OCR A level Physics: Circular Motion
OCR A level Physics: Thermal Physics apart of the Module 5: Newtonian World and Astrophysics.
All presentations come with worked examples, solutions and homeworks.
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OCR A level Physics: Stars
OCR A level Physics: Chapter 19 Stars is apart of the Module 5: Newtonian world and Astrophysics.
All presentations come with worked examples, solutions and homeworks.
19.1 Objects in the Universe
19.2 Life Cycles of Stars
19.3 Hertzsprung-Russell Diagram
19.4 Energy Levels in Atoms
19.5 Spectra
19.6 Analysing Starlight
19.7 Stellar Luminosity
The size of astronomical objects: Universe, Galaxies, Solar systems, Stars, Planets, Planetary satellites, Comets, Artificial planetary satellites
Comparing planets and comets
The birth of stars
Stars in equilibrium during the main sequence
Calculating mass in kg from solar mass
Life cycle of stars with a mass between 0.5 and 10 solar masses
Life cycle of stars with a mass above 10 solar masses
Pauli exclusion principle and electron degeneracy pressure
Red giants and white dwarfs
The Chandrasekhar limit
Red supergiants to black holes and neutron stars
Stellar nucleosynthesis
Definition of luminosity
Usual axis choice of a HR diagram.
Identifying the positions of the main sequence, white dwarfs, red giants, and red supergiants.
Description of how stellar evolution is shown in a Hertzsprung-Russell diagram
Atoms have different electron arrangements
Ground state energy
Bound electron states being negative
Converting between joules and electronvolts
Calculating the change of energy between energy states
Calculating a photon’s frequency and wavelength
The electromagnetic spectrum and wavelengths
Definition of spectroscopy
Electrons and energy levels
Continuous spectra
Emission spectra from gases
Absorption spectra from gases
Electromagnetic interference
Double slit experiment
Path and phase difference
Diffraction grating
The grating equation
Lines per millimeter to grating spacing
Maximum order, n
Maximum number of maxima
The electromagnetic spectrum, frequency/wavelength, and temperature
Black body radiation
Wein’s displacements law
Stefan’s law (Stefan-Boltzmann law)
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GCSE Chemistry: Electrolysis of Solutions
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
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OCR A level Physics: Radioactivity
OCR A level Physics: Chapter 25 Radioactivity is apart of the Module 6: Particle and Medical Physics
All presentations come with worked examples, solutions and homeworks.
25.1 Radioactivity
25.2 Nuclear decay equations
25.3 Half-life and Activity
25.4 Radioactive Decay Calculations
25.5 Modelling Radioactive Decay
25.6 Radioactive Dating
Types of ionising radiation (alpha, beta-plus/beta-minus, gamma)
Penetration power and ionising power
Detecting radiation with a Geiger (GM tube) counter
Background radiation and correct count rates
Electric and magnetic fields affect ionising radiation
Cloud chambers
Typical speeds of radiation produced form nuclear decays
Conservation rules for nuclear decays
Nuclear notation
Alpha decays
Beta-minus and beat-plus decays
Gamma decays
Decay chains
The reason why radioactive decays are considered random and spontaneous
Rolling dice being a good analogue for radioactive decays
Definition of half-life
Determining half-life from a graph.
Calculating half-life from a table of data.
Activity of a sample in Bq
The decay constant derivation
Decay constant and half-life
Using exponentials to calculate activity and number of nuclei present
Solving Differential Equations (beyond A-level Physics course)
Iterative Method
Selecting appropriate time intervals
Comparing answers from the iterative method and exact solution.
State what isotopes of carbon are used in carbon dating.
Explain how carbon dating works.
Calculate the age of objects with carbon dating.