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 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 P8.3.2 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 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 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 P7.1.3 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 P8.1.3 Braking and Stopping Distances. All presentations come with student activities and worked solutions. Factors affecting braking distance Total stopping distances Calculating area of a velocity-time graph for displacement (distance traveled). Rearranging equations MOT testing (Final velocity)2 – (Initial velocity)2 = 2 x Acceleration x Distance v2 – u2 = 2 a s

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 PowerPoint presentation with worked examples and student questions covers: • Definitions of accurate and precise • Definition of resolution • Definition of repeatable and reproducible • Planning an experiment for determining speed

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 PowerPoint presentation with worked examples and student questions covers: Contact and Non-contact forces Forces and accelerations Tug of war example

This PowerPoint presentation with worked examples and student questions covers: • Ohm’s law and units • Proportionalities • Resistance in series • Rearranging equations • Calculating resistance with ohm’s law

This presentation covers OCR Gateway Physics 9-1 P8.3.1 The Big-Bang This PowerPoint is a whole lessons included with student activities and animated answers. Key facts about the Big-Bang model Cosmic Microwave Background (CMB, CMBR) Doppler Red shift of light from stars in galaxies Hubble’s evidence of absorption spectra being red shifted

This presentations covers the OCR Gateway Physics 9-1 P3.2.3 Resistance practical activity with the lenght of conductor and changing resistance. Combining resistors in series Ohm’s law Rearranging equations Measuring current Measuring potential difference Calculating resistance Plotting the length of a conductor (wire) vs resistance of the conductor. Interpreting data and stating relationships from data and graphs.

This presentation covers OCR Gateway Physics 9-1 P5.1.1a WaTypes of wave. Includes student activities and full worked answers. Definition of a wave Mechanical waves Electromagnetic waves Transverse waves Longitudinal waves