This presentation covers OCR Gateway Physics 9-1 P7.1.3 Work Done, Kinetic and Thermal Energy Comes complete with students activities and fully worked solutions. Energy transfers to thermal store. Thermal energy, equation, and specific heat capacity. Work done equation and kinetic energy equation. Rearranging equations. Applying equations. Student questions with fully worked solutions.

This presentation covers OCR Gateway Physics 9-1 P4.2.1 b Current and Forces. Units for Magnetic Field Strength Converting from mT to T Magnetic Force Equation Rearranging Equations Increasing the force on a current carrying conductor in an external magnetic field. Student questions and worked answers

This presentation covers OCR Gateway Physics 9-1 P7.2.1 Paying for Electricity A unit of electricity being a kilo-watt hour (kWh) Unit cost and calculating costs Energy bills Electrical power Work done = Power x Time Power = Potential Difference x Current

This presentation covers OCR Gateway Physics 9-1 P7.2.3 Power and Specific Heat Capacity. • Energy Transfers • Equations and units • Worked Exam Style Question • Student questions with numerical solutions

These two lesson presentations covers OCR Gateway Physics 9-1 P7.2.4 Thermal conductivity and Cooling Curves Definition for thermal conductivity Energy transfers and conservation of energy Reducing energy dissipation Practical procedure and results analysis

This PowerPoint presentation with worked examples and student questions covers: Choosing equipment with higher resolution Planning an experiment to determine acceleration

This presentation covers OCR Gateway Physics 9-1 P8.2.2 Energy Resources This PowerPoint is a whole lessons included with student activities and animated answers. How use of energy resources have changed over time. (Biofuels, Fossil Fuels, Nuclear, Renewable). How energy use has increased (increase population and development of technology) Explain patterns and trends in the use of energy resources. Fossil fuels are finite and will run out at current consumption levels.

This presentation covers OCR Gateway Physics 9-1 P8.2.3 The National Grid This PowerPoint is a whole lessons included with student activities and animated answers. Structure of the National Grid Step-up and Step-down transformers How transformers increase the efficiency of the National Grid Number of turns and potential difference Current and potential difference in primary and secondary coils

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.

This presentation covers OCR Gateway Physics 9-1 P8.3.2 Our Solar System This PowerPoint is a whole lessons included with student activities and animated answers. Structure of the solar system Nuclear Fusion Evolution of large stars Evolution of Sun like stars Gravitational force and force from nuclear fusion

This presentation covers OCR Gateway Physics 9-1 P5.1.2a Wave Velocity & Water Waves. Includes student activities and full worked answers. Definition of mechanical waves Water waves as a transverse waves Converting from cm, mm, and km into m. Definition and equation for frequency. Wave speed equation Rearranging equations Ripple tank demonstration and explanation

This presentation covers OCR Gateway Physics 9-1 P5.1.2a the speed of sound and wave velocity. Includes student activities and full worked answers. The speed equation Measuring distance and time Simple experiment for the speed of sound Improving experiments Echoes Speed of sound experiment with microphones and oscilloscope.

This presentation covers OCR Gateway Physics 9-1 P5.3.2a Electromagnetic Reflection. Includes student activities and full worked answers. Refraction the change of velocity - speed and direction Magnitude of refraction depending on wavelength Magnitude of refraction depending on optical density Refraction practical activity instructions Wave speed, wavelength, and frequency relationship in refraction

This presentation covers OCR Gateway Physics 9-1 P1.1.2 Scientific Models Dalton’s model Rutherford’s model Bohr’s model

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 covers OCR Gateway Physics 9-1 P7.1.7 Gravitational and Elastic Energy Energy transfers with links to sport and PE. Employer-mentor links with physics and sports Exam Style Question with worked solutions Rearranging equations Practice Questions with worked solutions

This presentation covers OCR Gateway Physics 9-1 P7.1.5 Gravitational Energy Gravitational fields Rearranging Gravitational Energy Equation Exam question with worked solutions Practice questions with worked solutions Analysing graphs and gradients.

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