OCR AS Physics A: Resistance is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Definition of an ohm. Temperature and resistance for metallic conductors (wires) The ohm in base SI units I against V graphs and resistance

OCR AS Physics: Diffraction and Polarisation is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

This presentation covers OCR Gateway Physics 9-1 P1.3.1 Gas Pressure and Temperature This presentation includes: Introduction to kinetic theory Relationship between temperature and pressure Force by gas particles being normal to surface Graph plotting - Extrapolation to absolute zero Health and safety video on gas canisters and fires

This presentation covers OCR Gateway Physics 9-1 P2.3.5 Simple Machines • Uses of simple machines • Simple machines as force multipliers • Mechanical advantage equation • Gears – ratios, speed, direction • Rearranging equations • Exam style questions with solutions • Student problems with answers

This presentation covers OCR Gateway Physics 9-1 P2.3.3 Gravitational Force and Energy Gravitational fields Gravitational field strength and mass Gravitational energy and work done Exam style questions and solutions Student problems with answers

OCR AS level Physics: Kirchhoff’s First Law is a part of the Module 4: Electrons, Waves, and Photons. Presentation come with worked examples, solutions and homeworks 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

OCR AS level Physics: Moving Charges is a part of the Module 4: Electrons, Waves, and Photons. Presentation come with worked examples, solutions and homeworks. 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

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

OCR AS level Physics: Projective Motion is a part of the Module 3: Forces and Motion Presentation come with worked examples, solutions and homeworks. Includes: Resolving vectors in 2D Pythagoras’ theorem: Equations of constant acceleration - suvat equations Projectiles being dropped Projectiles fired at and angle to the horizontal Velocity-time graphs

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

OCR AS level Physics: Free fall and g is a part of the Module 3: Forces and Motion Presentation come with worked examples, solutions and homeworks. Definition of free fall and gravitational force. Dimensional analysis of units for acceleration and g. Determining g with equations of constant acceleration (suvat equations). Determining g with finding the gradient of graphs. Determining g experimentally with stopwatches, trap doors, light gates, and cameras with strobes.

OCR AS level Physics: Work Done and Energy is a part of the Module 3: Work, Energy and Power. Presentation come with worked examples, solutions and homeworks.

OCR AS level Physics: Power and Efficiency is a part of the Module 3: Work, Energy and Power. Presentation come with worked examples, solutions and homeworks.

OCR AS level Physics: Superposition of Waves is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.

OCR AS Physics: Electrical Energy & Power is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Derive three equations for electrical power Applying electrical power equations Create a circuit diagram to calculate power Base units for V A and W.

OCR AS Physics: Internal Resistance is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Find lost volts and terminal potential difference from a source of emf Calculate internal resistance of a cell Calculate internal resistance of a cell with a graph Calculate EMF of a source

This lesson presentations covers OCR Gateway Physics 9-1 P4.2.5 Transformers. Examples of transformers in everyday life Structure of a transformer Step-up and Step-down transformers Transformer equation and rearranging equations. Worked Examples and Student problems with worked solutions. Explanation for use of step-up transformers - efficiency

OCR AS Physics: Analysing Circuits is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework. Kirchhoff’s Laws for potential difference Thermistors and LDRs in sensing circuits Ratio of resistances and ratio of potential differences

This presentation covers OCR Gateway Physics 9-1 P7.2.3 Electrical Heating Transfers. All presentations come with student activities and worked solutions. Walls and Insulation Thermal energy dissipation Reducing thermal energy dissipation with lubrication and insulation Heating substances and state changes Work done = Power x Time Change in thermal energy = Mass x Specific Heat Capacity x Change in temperature Thermal energy for state change = Mass x Specific latent heat

This presentation covers OCR Gateway Physics 9-1 P7.2.2 Electrical Energy Transfers. All presentations come with student activities and worked solutions. Energy stores Energy transfers Current heats wires Wasted energy in motors and heating elements Specific heat capacity and electrical energy Thermal energy = Mass x Specific Heat Capacity x Change in Temperature Energy = Charge x Potential Difference