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A Level Chemistry: Electrophilic Substitution Reactions of Benzene
OCR A level Chemistry: 25.2 Electrophilic Substitution Reactions of Benzene
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
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
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GCSE Physics: Series and Parallel Circuits
This presentation covers OCR Gateway Physics 9-1 P3.2.2 Series and Parallel Circuits
Rule for current in series and parallel circuits
Rule for potential difference in series and parallel circuits.
Working scientifically
Student activities with worked solutions
Exam questions with worked solutions
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GCSE Physics: Nuclear Fusion
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
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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 Chemistry: Polymerisation of Alkenes
OCR AS Chemistry: 13.5 Polymerisation of Alkenes
This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
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
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OCR A Level Physics: Kepler’s Laws
OCR A level Physics: 18.4 Kepler’s Laws
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
The terms: eccentricity, aphelion, perihelion, astronomical unit
Kepler’s First Law
Kepler’s Second Law
Kepler’s Third Law
Graphs of T^2 against r^3 to determine the gradient (constant of proportionality, k).
Equating (4π)^2/𝐺𝑀 to the gradient (constant of proportionality, k)
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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
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GCSE Physics: Momentum
This presentation covers OCR Gateway Physics 9-1 P2.2.6
Momentum Equation
Rearranging the momentum equation
Momentum as a vector
Vector addition with momentum
Exam question with worked solutions
Student problems with answers
Proportionalities
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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: Mole Calculations
This PowerPoint presentation with worked examples and student questions covers:
• Rearranging Equations
• Stoichiometry as relative abundances
• Relative Atomic Mass, Relative Formula Mass and Molar Mass
• Calculating the number of moles present
• Conservation of mass
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GCSE Chemistry: Bond Energies and Energy Changes
This PowerPoint presentation with worked examples and student questions covers:
• Definition of bond energies
• Calculating bond energies per mole
• Calculating change in bond energies in reactions
• Determining if a reaction is exothermic or endothermic from the change in bond energy.
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GCSE Chemistry: Neutralisation Reactions
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
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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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GCSE OCR Physics P5 Waves
Resources for P5 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.
Definition of a wave
Mechanical waves
Electromagnetic waves
Transverse waves
Longitudinal waves
Amplitude
Wavelength
Frequency
Time period
Calculating frequency and equation
Relationship between frequency and wavelength when speed is constant.
Calculating time period from frequency with equations
The speed equation
Measuring distance and time
Simple experiment for the speed of sound
Improving experiments
Echoes
Speed of sound experiment with microphones and oscilloscope.
Ray diagrams
Absorption, reflection and transmission
Sonar
Ultrasound
Rearranging equation
Refraction
Relationship between wave speed and wavelength
Structure of the ear.
Frequency range of human hearing.
Explanation of the limited frequency range of humans.
Explanation for hearing deteriorating with age.
Order of the electromagnetic spectrum
Wavelength and frequency relationship
Application of wave speed equation
Rearranging equation
Producing and detecting radio waves
Recall that light is an electromagnetic wave
Give examples of some practical uses of electromagnetic waves in the radio, micro-wave, infra-red, visible, ultraviolet, X-ray and gamma-ray regions
Describe how ultra-violet waves, X-rays and gamma rays can have hazardous effects, notably on human bodily tissues.
Explain that electromagnetic waves transfer energy from source to absorber to include examples from a range of electromagnetic waves
Precautions for ultra-violet waves, X-rays and gamma rays
Careers: Medical Physicist
X-rays
CT scans
Gamma imaging
Thermogram
Magnetic Resonance Imaging
Precautions for using ionising radiation
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.
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OCR AS Chemistry: 17.2 Infrared Spectroscopy
OCR AS Chemistry: 17.2 Infrared Spectroscopy
This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Absorb infrared radiation increasing vibrations
What determines the magnitude of vibration
Fingerprint region
Identifying peaks
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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
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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 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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A level Chemistry: Condensation Polymers
OCR A level Chemistry: 27.3 Condensation Polymers
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
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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A level Chemistry: Interpreting Proton NMR Spectra
OCR A level Chemistry: 29.5 Interpreting Proton NMR Spectra
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Predicting proton NMR spectra for molecules
Identifying the number of different proton environments
Identifying the types of proton environment and chemical shifts
Integration traces (area of peaks) and relative number of protons
The spin-spin splitting pattern (n + 1)