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

OCR AS Physics: Wave Properties 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 P3.1.2 Electrical Current Conditions for current to flow Conventional current and electron flow Measuring current with ammeters Current at junctions Converting from mA to A Rearranging equations Determining current and charge flow with equation

This presentation covers OCR Gateway Physics 9-1 P3.2.6 Circuit Calculations. Measuring current and potential difference Adding resistors in series and parallel Rearranging Ohm’s Law Rules for series circuits Worked solutions to series circuit exam questions Rules for parallel circuits Worked solutions to parallel circuit exam questions

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

This presentation covers OCR Gateway Physics 9-1 P1.2.1 Presentation includes Calculating volume for regular shapes Conversion from grams (g) to kilograms (kg) and centimetres (cm) to meters (m) with exercise and answers Converting with standard form with examples and solutions Applying the density equation with examples and solutions Proportionalities Plenary exam question and solution

This presentation covers OCR Gateway Physics 9-1 P1.2.1 Presentation includes Conversion from grams (g) to kilograms (kg) and centimetres (cm) to meters (m) with exercise and answers Finding volume of regular and irregular shapes Plenary Exam Question and Answer

This presentation covers OCR Gateway Physics 9-1 P1.3.2 Pressure and Volume This presentation includes: Calculating surface area Pressure equation with worked example Rearranging pressure equation Pressure equation problems with full solutions

This presentation includes: Pressure x Volume = Constant Worked Examples Plotting of pressure-volume graph Explanation of increasing energy and temperature with bike pump

This presentation covers OCR Gateway Physics 9-1 P5.3.2 Includes student activities and full worked answers. Convex and Concaves lenses Eyes and corrective lenses Refraction and wavelength Focal points for lenses Determining the type of images produced through a lens

OCR A level Physics: Internal Energy is a part of the Module 5: Newtonian World and Astrophysics. The PowerPoint presentation includes worked examples, solutions and a homework.

OCR A Level Physics: The Boltzmann constant presentation with homework and answers

This presentation covers OCR Gateway Physics 9-1 P7.1.4 Work Done and Spring Energy. Use of Springs Measuring Extension of a Spring Rearranging Spring Energy Equation Rearranging Kinetic Energy Equation Practice Questions with Worked Solutions

This presentation covers OCR Gateway Physics 9-1 P7.2.1 Electrical Power and Work Done. All presentations come with student activities and worked solutions. Definition of power Converting between W and kW Converting between seconds, minutes, and hours Calculating work done in kWh and J Converting between kWh and J

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

This presentation covers OCR Gateway Physics 9-1 P7.2.5 Efficiency. All presentations come with student activities and worked solutions. Efficiency Ratings Improving efficiency with insulation and lubrication Maximum efficiency Efficiency equation Sankey diagrams

This presentation covers OCR Gateway Physics 9-1 P8.1.1 Everyday Motion. All presentations come with student activities and worked solutions. Average speeds of walking, running, cycling, cars, trains, wind, sound, and light. The speed equation The acceleration equation Explaining average speed camera Explaining instantaneous speed camera Estimating everyday accelerations Calculating speed from rotation speed and circumference of wheels Converting from miles per hour to meters per second

This presentation covers OCR Gateway Physics 9-1 P8.1.4 Forces in Collisions. All presentations come with student activities and worked solutions. Large accelerations produce large forces. Values of g that cause severe injury or death Road Safety Newton’s First Law and seat belts Crumple zones Force = Mass x Acceleration Acceleration = Change in velocity /Time taken Estimating speed, accelerations and forces involved in large accelerations for everyday road transport.

This presentation covers OCR Gateway Physics 9-1 P5.1.4 Sound in Solids and the Ear. Includes student activities and full worked answers. Structure of the ear. Frequency range of human hearing. Explanation of the limited frequency range of humans. Explanation for hearing deteriorating with age.