OCR A level Physics: 20.4 The Big-bang 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: 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

OCR A level Physics: 20.5 Evolution of the Universe 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: 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

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

OCR A level Physics: 21.5 Charging Capacitors Module 6 Particles and Medical Physics This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Calculating power output from a circuit containing a capacitor A rectifier circuit - changing an alternating input to a smooth output

OCR A level Physics: 19.5 Spectra 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: The electromagnetic spectrum and wavelengths Definition of spectroscopy Electrons and energy levels Continuous spectra Emission spectra from gases Absorption spectra from gases

OCR A level Physics: 19.7 Stellar Luminosity 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: The electromagnetic spectrum, frequency/wavelength, and temperature Black body radiation Wein’s displacements law Stefan’s law (Stefan-Boltzmann law)

OCR A level Physics: 20.2 The Doppler Effect 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: 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

OCR A level Physics: 21.1 Capacitors Module 6 Particles and Medical Physics This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided. This lesson covers: Electrical quantities, symbols, and units SI prefixes and standard form Definition of a capacitor Structure of a capacitor Calculating capacitance, charge, and potential difference.

OCR A level Physics: 19.4 Energy Levels in Atoms 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: 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

OCR A level Physics: 19.6 Analysing Starlight 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: 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

OCR A level Physics: 19.2 Life Cycles of Stars 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: 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

OCR A level Physics: 19.1 Objects in the Universe 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: 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

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: 19.3 Hertzsprung-Russell Diagram 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: 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.

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 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

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

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

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)

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