This presentation covers OCR Gateway Physics 9-1 P6.1.5 Radiation in and out of atoms. This PowerPoint is a whole lessons included with student activities and animated answers. Arrangements of electrons and distance from the nucleus Electron energy levels Absorbing electromagnetic radiation Electromagnetic radiation and energy Absorption spectra Emission spectra Discovery of helium

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: 21.3 Energy Stored by 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: Work done of a capacitor depends upon the initial potential difference and capacitance. Work done is provided by the source of potential difference. Deriving three equations for work done of a capacitor.

OCR A level Physics: 21.4 Discharging 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: Exponential increase and exponential decay Explaining how capacitors discharge through a resistor in parallel Definition of time constant for a capacitor Showing that time constant has units of seconds Iterative method for finding how capacitors discharge Using exponentials and logs. Solving a differential equation (needed for A-level Maths).

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

This presentation covers OCR Gateway Physics 9-1 P2.3.6 Hydraulic Systems • Uses of hydraulics • Pressure equation • Rearranging equation • Calculating pressure in liquids • Describing how force multiplies in hydraulic systems • Worked examples and student problems

This presentation covers OCR Gateway Physics 9-1 P6.1.4 Half life All presentations come with student activities and worked solutions. Definition of half-life Radioactive decays are random Finding half-life from a graph Constructing a half-life graph Finding the number of half-lives past using ratios

OCR A Level Physics: Simple Harmonic Motion and Oscillations presentation, homework and answers.

This presentation covers OCR Gateway Physics 9-1 P8.2.4 Mains Electricity This PowerPoint is a whole lessons included with student activities and animated answers. 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.

OCR AS level Physics: Couples and Torques is a part of the Module 3: Forces and Motion Presentation come with worked examples, solutions and homeworks.

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 AS Physics A: Potential Divider is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Application of the ratio of resistances Application of the potential divider circuit Deriving the potential divider equation Rearranging the potential divider equation

This presentation covers OCR Gateway Physics 9-1 P6.1.1 Atoms and Isotopes All presentations come with student activities and worked solutions. Structure of atom Properties of subatomic particles Atomic Number Mass Number Nuclear Notation Calculating the number of neutrons

This presentation covers OCR Gateway Physics 9-1 P3.2.7 Sensing Circuits Potential difference in series and parallel circuits Lamps in series and parallel Gravitational potential and potential difference LDR and Thermistor in potential divider circuits Using LDRs to control security lights Using thermistors to control heating/cooling circuits Exam questions with worked solutions

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: 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: 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: Explaining how capacitors charge with a resistor in series Explaining how 𝑉, 𝐼, or 𝑄, change with time 𝑡 for a charging capacitor. Sketching graphs for 𝑉, 𝐼, or 𝑄, after time 𝑡 for a charging capacitor. Calculating 𝑉, 𝐼, or 𝑄, change with time 𝑡 for a charging capacitor.

OCR AS level Physics: Kirchhoff’s Laws and circuit diagrams is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Definitions of Kirchhoff’s 1st and 2nd Law Applying Kirchhoff’s 2nd Law Drawing circuit diagrams for parallel and series circuits