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OCR Applied Science: 6.1 Mechanical Properties of Materials
This PowerPoint presentation with worked examples and student activities covers:
Topic 6.1 of Module 1: Science Fundamentals of the OCR Applied Science Spec.
• Interpreting laboratory tests for stress-strain graphs and Young’s modulus
• Awareness that repeated loading cycles may cause failure by fatigue below the yield strength
• Use of diagrams to understand that the way molecules are arranged in polymers determines the properties: chain length, crosslinking, use of plasticizers and crystallinity.
• Use and rearranging of the density equation.
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)
OCR A Level Physics: Gravitational Potential
OCR A level Physics: 18.6 Gravitational Potential
Module 5 Newtonian World and Astrophysics
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Center of mass and treating spherical objects as point masses
Gravitational fields
Definition of gravitational potential
Applying the gravitational potential equation
Graph of gravitational potential against distance (V against r)
Combining gravitational potentials from more than one mass
OCR Applied Science: 1.1 The Atom
This PowerPoint presentation with worked examples and student activities covers:
Topic 1.1 of Science Fundementals of the OCR Applied Science Spec.
nucleus contains protons and neutrons surrounded by electrons
relative masses and charges
nuclear and atomic diameters
nucleon number, proton number and isotopes
proton number defines the type of atom
nuclear notation
attractive and repulsive forces within the nucleus
OCR A Level Physics: Gravitational Potential Energy
OCR A level Physics: 18.7 Gravitational Potential Energy
Module 5 Newtonian World and Astrophysics
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Radial and uniformed field
Definition of gravitational potential energy
Deriving escape velocity
Force-Distance graphs for gravitational fields
OCR A Level Physics: Satellites
OCR A level Physics: 18.5 Satellites
Module 5 Newtonian World and Astrophysics
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Key features of geostationary and low polar orbit satellites
Conditions for stable orbits for satellites
Applying Kepler’s laws to the orbits of satellites
GCSE Chemistry: Reaction Profiles
This PowerPoint presentation with worked examples and student questions covers:
• Reaction profiles for exothermic and endothermic
• Energy stores of particles and surroundings
• Activation energy
• Describing the main features of reaction profiles.
GCSE Chemistry: Detecting Anions
This PowerPoint presentation with worked examples and student questions covers:
Definitions for anions, cations, anodes, cathodes.
Tests for carbonate ions
Tests for sulfate ions
Tests for halide ions
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
GCSE Physics: Electrical Current Practical Activity
This presentation covers OCR Gateway Physics 9-1 P3.1.2 Electrical Current
Electron flow and conventional current
Measuring current with ammeters
Series and parallel circuits
Comparing current at junctions
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)
A level Chemistry: Nuclear Magnetic Resonance (NMR) Spectroscopy
OCR A level Chemistry: 29.2 Nuclear Magnetic Resonance (NMR) Spectroscopy
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Nuclear Spin
Resonance
Tetramethylsilane (TMS)
Chemical Shift ẟ
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)
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
A level Chemistry: Chromatography and Functional Group Analysis
OCR A level Chemistry: 29.1 Chromatography and Functional Group Analysis
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Thin layer chromatography (TLC)
Rf values
Gas chromatography (GC)
Gas chromatograms
Retention time and peak integrations
Calibration curves from retention time and relative peak area
Differentiation of functional groups: alkene, primary and secondary alcohols, aldehydes, cabonyl compounds, carboxylic acids, and haloalkes.
A level Chemistry: Carbon-13 NMR Spectroscopy
OCR A level Chemistry: 29.3 Carbon-13 NMR Spectroscopyy
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Identifying different carbon environments
The types of carbon environment
The amount of chemical shift ẟ / ppm
A level Chemistry: Amino acids, Amides and Chirality
OCR A level Chemistry: 27.2 Amino acids, Amides and Chirality
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
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
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
A level Chemistry: Further Practical Techniques
OCR A level Chemistry: 28.2 Further Practical Techniques
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Filtration under reduced pressure
Purification through Recrystallisation
Preparation of Melting Point Sample
Melting point determination with an electric heater
Melting point determination with a Thiele tube
GCSE Physics: Electrical Power
This presentation covers OCR Gateway Physics 9-1 P3.2.8 Electrical Power.
Definition of power
Standard form for kW and MW
The three equations for power
Rearranging electrical power equations
Derivation of P = I^2 R with subsitution
Students questions and worked solutions