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OCR A level Chemistry: Carbonyl and Carboxylic Acids
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
26.1 Carbonyl Compounds
26.2 Identifying Aldehydes and Ketones
26.3 Carboxylic Acids
26.4 Carboxylic Acid Derivatives
The carbonyl group
Differentiating between aldehydes and ketones
Naming aldehydes and ketones
Oxidation of aldehydes
Electronegativity and polar bonds
Electrophiles, nucleophiles, and nucleophilic addition reactions
Reducing carbonyl compounds with sodium tetrahydridoborate(III) (NaH4)
Primary and secondary alcohols from carbonyl compounds
Reacting carbonyl compounds with hydrogen cyanide (HCN)
Reaction mechanisms for nucleophilic addition using (NaBH4)
Reaction mechanisms for nucleophilic addition using (HCN)
Testing for Carbonyl Groups
Brady’s reagent - 2,4-dinitrophenylhydrazine - 2,4-DNP
Distinguishing between Aldehydes and Ketones
Tollen’s reagent - silver nitrate in aqueous ammonia
The Carboxyl Group and polarity of bonds.
Naming carboxylic acids
Carboxylic acids as weak acids
Reactions of carboxylic acids with:
Metals
Metal oxides
Alkali
Carbonates
Changing solubility of carboxylic acids in water due to carbon chain length.
Naming acyl chlorides
Naming acid anhydrides
Naming esters
Esterification
Acid hydrolysis of esters
Alkali hydrolysis of esters
Producing acyl chlorides from carboxylic acids
Producing carboxylic acids from acyl chlorides
Producing esters from acyl chlorides and phenols
Primary, secondary, and tertiary molecules
Producing primary amides from acyl chlorides
Producing secondary amides with acyl chlorides
Producing esters and carboxylic acids wirh acid anhydride
Bundle
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
Bundle
GCSE OCR Physics: P8.2 Powering Earth
All resources for P8.2 Powering Earth GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material.
Types of different energy sources
Renewable and non-renewable definitions
Different uses of energy sources - transport, heating, and generating electricity
Advantages and disadvantages of different energy sources
Fossil fuels – oil, coal, and natural gas.
Nuclear fuel – Uranium
Biofuels – wood, biodiesel, and biogas.
The sun - solar (PV) panels and solar heating panels
Tides
Waves
Hydroelectricity
Wind
Geothermal
How use of energy resources have changed over time. (Biofuels, Fossil Fuels, Nuclear, Renewable).
How energy use has increased (increase population and development of technology)
Explain patterns and trends in the use of energy resources.
Fossil fuels are finite and will run out at current consumption levels.
Structure of the National Grid
Step-up and Step-down transformers
How transformers increase the efficiency of the National Grid
Number of turns and potential difference
Current and potential difference in primary and secondary coils
Domestic Electrical Supply being 230 V, AC at 50 Hz.
Direct potential difference and alternating potential difference.
Reasons for insulation on wires.
Potential Difference between different conductors.
Function of the earth conductor.
Double insulation and no earth wire.
Reasons the live wire is dangerous.
Reasons why live to earth is dangerous.
Bundle
GCSE OCR Physics: P8.1 Physics on the move
All resources for P8.1 Physics on the move GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material.
Average speeds of walking, running, cycling, cars, trains, wind, sound, and light.
The speed equation
The acceleration equation
Explaining average speed camera
Explaining instantaneous speed camera
Estimating everyday accelerations
Calculating speed from rotation speed and circumference of wheels
Converting from miles per hour to meters per second
Reaction time definition
Factors that increase reaction time
Simple reaction time experiment
Thinking distance
Rearranging equations
Speed equation
(Final velocity)2 – (Initial velocity)2 = 2 x Acceleration x Distance
v2 – u2 = 2 a s
Factors affecting braking distance
Total stopping distances
Calculating area of a velocity-time graph for displacement (distance traveled).
Rearranging equations
MOT testing
Large accelerations produce large forces.
Values of g that cause severe injury or death
Road Safety
Newton’s First Law and seat belts
Crumple zones
Force = Mass x Acceleration
Acceleration = Change in velocity /Time taken
Estimating speed, accelerations and forces involved in large accelerations for everyday road transport.
Bundle
OCR AS level Physics: Charge and Current
OCR AS level Physics: Charge and Current is a part of the Module 4: Electrons, Waves, and Photons.
All presentations come with worked examples, solutions and homeworks.
Fundamental charge and relative charge
Structure of a metal
Conventional current and electron flow
Measuring current with an ammeter
Ionic solutions with cations and anions.
Ions, relative charge and absolute charge
Comparing ionic solutions and metal conductors
Apply Kirchhoff’s First Law
Kirchhoff’s First Law in mathematical form
Kirchhoff’s First Law in written form
Describing conservation laws
Women in Science - Emmy Noether
CERN and jobs in physics
Number density for conductors, semi-conductors, and insulators
Calculating cross-sectional area
Apply the mean drift velocity equation.
Derivation of Mean Drift Velocity Equation
Bundle
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.
Bundle
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
Bundle
GCSE OCR Physics P5.3 Wave Interactions
Resources for P5.2 GCSE OCR Physics Gateway 9-1 Triple and Combined (Higher and Foundation) is covered in this material.
Each lesson 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.
Refraction the change of velocity - speed and direction
Magnitude of refraction depending on wavelength
Magnitude of refraction depending on optical density
Refraction practical activity instructions
Wave speed, wavelength, and frequency relationship in refraction
Convex and Concaves lenses
Eyes and corrective lenses
Refraction and wavelength
Focal points for lenses
Determining the type of images produced through a lens
Names of colours for the visible spectrum
Coloured filters
Coloured objects acting as a coloured filters
White light and refracting prism
Refraction and wavelength
Specular reflection
Diffuse scattering
Scattering - Why the sky is blue and milk is white.
Bundle
GCSE OCR Chemistry C2.3 Properties of Materials
Resources for C2.3 GCSE OCR Chemistry Gateway 9-1 Triple and Combined (Higher and Foundation) is covered in this material.
Includes:
Carbon
Changing State
Bulk Properties
Nanoparticles
Bundle
OCR Applied Science: 21.2 Product Testing of Consumer Products
OCR Applied Science Level 3 - Module 21: Product Testing Techniques.
2.1 Types of testing i.e.:
• in-vitro
• in-vivo
• titration
• extraction and separation
2.2 Laboratory testing during development i.e.:
• formulation
• production
• quality control and assurance
• after sale monitoring.
2.3 Effectiveness of test i.e.:
• Appropriate test method
• Data collection validity and reliability
• Consistent chemical composition
• Hazards and risks of use (e.g. toxicity, possible mutagenic and
teratogenic effects, microbiological safety)
Bundle
OCR A level Physics: Electric Fields
OCR A level Physics: Chapter 22 Electric Fields is apart of the Module 6: Particle and Medical Physics
All presentations come with worked examples, solutions and homeworks.
22.1 Electric Fields
22.2 Coulomb’s Law
22.3 Uniform electric fields and capacitance
22.4 Charged particles in uniformed electric fields
22.5 Electric potential and energy
Electric field line pattern from point charges, uniformly charged objects, and capacitors.
Rules for electric field lines
Interacting field lines for attraction and repulsion
Detecting electric fields with a charged gold leaf
Definition of electric field strength
Explaining that electric field strength is a vector with magnitude and direction
Apply the equation for electric field strength
Electric force related to the product of charge and square of the separation
The constant of proportionality 𝑘
Permittivity of free space
Experiment for investigating Coulomb’s Law
Electric Field Strength and Coulomb’s Law
Liquid crystal displays (LCDs)
Electric field between two charged parallel plates
Deriving an equation for electric field strength of a parallel plate capacitor.
Accelerating charged particles in a uniformed electric field
Capacitance of a parallel plate capacitor with an insulating (dielectric) material - relative permittivity
Millikan’s experiment
Equations for constant acceleration
Maximum kinetic energy of a charged particle in a uniformed field
Sketching trajectories for charged particles in uniformed fields
Calculating velocities for horizontal and vertical components
Definition of electric potential energy
Definition of electric potential.
Definition of electric potential difference.
Using a force-distance graph to determine electric potential energy
Using electron-volts and joules in calculations
Capacitance of an isolated charged sphere
Bundle
OCR A level Physics: Cosmology (Big Bang)
OCR A level Physics: Chapter 20 Cosmology (Big Bang) is apart of the Module 5: Newtonian world and Astrophysics.
All presentations come with worked examples, solutions and homeworks.
20.1 Astronomical Distances
20.2 The Doppler Effect
20.3 Hubble’s Law
20.4 The Big-bang Theory
20.5 Evolution of the Universe
Astronomical distances: light-years, parsec, astronomical unit
Astronomical angles - degree, arcminute, arcsecond
Parallax Angle
The definition of the Doppler effect
Changes in pitch of sound waves due to relative motion
Absorption spectra and electron energy levels
Red-shift and blue-shift absorption spectra
The Doppler equation
The condition for velocity for the Doppler equation
The Cosmological Principle
Hubble’s Observations
Hubble’s Law
Hubble’s constant and the gradient of a graph
Converting between km s-1 Mpc-1 into s-1
The expanding Universe model.
Georges Lemaître’s Theory
Evidence for the Big Bang Model
Hubble’s Law (expanding Universe)
Microwave Background Radiation
Source of the Microwave Background Radiation
Hubble’s constant and the age of the Universe
The evolution of the Universe from the Big-bang to 13.7 billion years later
The composition of the Universe
Experimental evidence for dark matter
Experimental evidence for dark energy
Bundle
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.
Bundle
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.
Bundle
GCSE OCR Physics: P8.3 Beyond Earth
All resources for P8.2 Powering Earth GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material.
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
Structure of the solar system
Nuclear Fusion
Evolution of large stars
Evolution of Sun like stars
Gravitational force and force from nuclear fusion
Natural Satellites
Geostationary Satellites
Low Polar Orbit Satellites
Speed is constant and velocity is changing in stable orbits.
Changing speed and radius
Gravitational force, acceleration, and speed.
Plotting data and describing relationships
All objects emit electromagnetic radiation
Describe how changing temperature changes frequency, wavelength, and intensity of the radiation produced.
Explain why objects change temperature by absorbing and emitting radiation.
Explain why the temperature of the Earth changes due to greenhouse gases in the atmosphere.
S and P waves
Structure of the Earth
Reflection, absorption, and refraction of waves
Sonar to map the ocean floor
Bundle
OCR AS level Chemistry: Alkenes
OCR AS level Chemistry: Alkenes is apart of the Module 4: Core Organic Chemistry and Analysis
All presentations come with worked examples, solutions and homeworks
Comparing pi-bond (π-bond) and sigma bonds (σ-bonds).
Aliphatic alkenes and alicyclic arrangements of molecules
s, p, d orbitals for electrons
Trigonal planar shape of alkanes leading to 120 degree bond angle.
E/Z isomerism
Conditions for trans- and cis- isomerism
Cahn-Ingold-Prelog rules and priority ordering
Alkene addition reactions:
Hydrogen with a nickel catalyst
Halogens
Hydrogen halide
Steam with an acid catalyst
Test for unsaturated alkenes.
Bond enthalpy for sigma and pi bonds.
Electrophile molecules
Electronegativity
Reaction mechanisms for addition reaction of alkenes and hydrogen halides
Carbocations and stability
Markownikoff’s Rule
Monomers and repeat units
Addition Polymerisation for:
Polyethene
Polypropene
Polylactate
Polystyrene
Polyvinyl Chloride (PVC)
Environmental Concerns from polymers including:
Combustion of polymers
recycling PVC
biogradeable bioplastics
photodegradable polymers
feedstock recycling
OCR Physics P2 Forces Revision
This revision PowerPoint should take approximately 5 hours of class time to complete.
This PowerPoint covers GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material.
** P2.1 Motion:**
Distance, time and speed
Vectors and Scalars
Acceleration
Distance-time graphs
Velocity-time graphs
Kinetic Energy
** P2.2 Newton’s Laws:**
Forces and Interactions
Free Body Diagrams
Newton’s First Law
Newton’s Second Law
Everyday Forces
Momentum
Work Done and Power
P2.3 Forces in Action:
Stretching springs
Stretching materials and storing energy
Gravitational Fields and Potential Energy
Turning Forces
Simple Machines
Hydraulics
Bundle
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.
Bundle
OCR AS level Chemistry: Basic Concepts of Organic Chemistry
OCR AS level Chemistry: Basic Concepts of Organic Chemistry apart of the Module 4: Core Organic Chemistry and Analysis
All presentations come with worked examples, solutions and homeworks
Bundle
OCR A level Physics: Magnetic Fields
OCR A level Physics: Chapter 23 Magnetic Fields is apart of the Module 6: Particle and Medical Physics
All presentations come with worked examples, solutions and homeworks.
23.1 Magnetic fields
23.2 Understanding magnetic fields
23.3 Charged particles in magnetic fields
23.4 Electromagnetic induction
23.5 Faraday’s law and Lenz’s law
23.6 Transformers
Attraction and repulsion of magnets
Rules for magnetic field lines
The magnetic field of Earth
Applying the right-hand cork screw rule
How to create uniformed magnetic fields
Solenoids
Fleming’s left hand rule
Determining the direction of force on a current carrying conductor
Calculating the magnitude of force on a current carrying conductor
Angles between the magnetic field and current carrying conductor
An experiment to determine the magnetic flux density of a field.
Apply Fleming’s left-hand rule to charged particles
Deriving an equation for the magnetic force experienced by a single charged particle (F = BQv)
Charged particles describing (moving) in circular paths in magnetic fields.
The velocity selector.
The Hall probe and Hall voltage.
Electromagnetic induction produces an induced e.m.f
Conditions to produce electromagnetic induction
How to increase electromagnetic induction
Magnetic flux density, magnetic flux, and magnetic flux linkage
Units of weber (Wb)
Magnetic flux density and magnetic flux linkage
Faraday’s Law
Lenz’s Law
Alternators and induced e.m.f.
Graphs of flux linkage and induced e.m.f.
Structure of transformers
Step-up and step-down transformers
The turn-ratio equation
The ideal transformer equation
Why transformers are used in the National Grid