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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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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
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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: 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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GCSE Physics: Motors
This presentation covers OCR Gateway Physics 9-1 P4.2.2 Construction of a motor.
Magnetic Field Lines
Construction of a commutator
How to increase the speed of a motor.
Student activities with worked solutions.
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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 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
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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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A level Chemistry: Carboxylic Acid Derivatives
OCR A level Chemistry: 26.3 Carboxylic Acids
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
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
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A level Chemistry: Amines
OCR A level Chemistry: 27.1 Amines
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
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
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A level Chemistry: Proton NMR Spectroscopy
OCR A level Chemistry: 29.4 Proton NMR Spectroscopy
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
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)
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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
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GCSE OCR Physics P4 Magnetism
All resources for P4 Magnetism and Magnetic Fields for GCSE OCR Physics Gateway 9-1.Triple and combined (Higher and Foundation) is covered in this material.
• Magnets and Magnetic Fields
• Currents and Fields
• Right Hand Cork-screw Rule
• Fleming’s Left Hand Rule
• Currents and Forces
• Motors
• Electromagnetic Induction
• Generators
• Transformers
• Speakers and Microphones
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GCSE OCR Chemistry C1 Particles
All resources for P1 GCSE OCR Chemistry Gateway 9-1 Triple and combined (Higher and Foundation) is covered in this material.
Includes:
Introducing Particles
Chemical and Physical Changes
Limitations of the Particle Model
Atomic Structure
Isotopes and Ions
Developing the Atomic Model
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GCSE Chemistry: Addition Polymers
This PowerPoint presentation with worked examples and student questions covers:
Prefixes mono- and poly-
Alkanes and alkenes functional groups
Saturated and unsaturated carbon bonds
Addition polymerisation reactions
Conditions needed for polymerisation reactions
How monomers form polymers
Repeat units and monomers
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GCSE Chemistry: Condensation Polymers
This PowerPoint presentation with worked examples and student questions covers:
Block notation for hydrocarbons
Amino acids functional groups
Amino acids forming proteins through condensation reactions
Forming polyesters through condensation reactions
Forming polyamides through condensation reactions
Comparing polyesters and polyamides
Conditions for condensation polymers
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OCR AS Chemistry: Chemical Reactions of Alkanes
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
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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: 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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A Level Chemistry: Carbonyl Compounds
OCR A level Chemistry: 26.1 Carbonyl Compounds
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
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)