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 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 PowerPoint presentation with worked examples and student questions covers: • The speed equation and units • Rearranging Equations • The skill of estimating

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: Road safety Force and acceleration equations How large forces produce dangerous accelerations

This PowerPoint presentation with worked examples and student questions covers: Balancing forces with vectors Accelerations and resultant forces

This presentation covers OCR Gateway Physics 9-1 P8.3.3 Satellites This PowerPoint is a whole lessons included with student activities and animated answers. Natural Satellites Geostationary Satellites Low Polar Orbit Satellites Speed is constant and velocity is changing in stable orbits. Changing speed and radius Gravitational force, acceleration, and speed. Plotting data and describing relationships

This PowerPoint presentation with worked examples and student questions covers: • The function and sizes of fuses • Wiring a plug • Identifying faults with plugs

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 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

This presentation covers OCR Gateway Physics 9-1 P5.3.1a Electromagnetic Reflection. Includes student activities and full worked answers. Law of reflection Labeling and measuring angles of incidence and reflection Practical activity instructions - fully animated. Reflection, absorption, and refraction is affected by wavelength of electromagnetic wave.

GCSE OCR Physics: Pressure Revision Lesson with exam quesitons.

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 P7.2.5 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 P8.1.2 Reaction Time and Thinking Distance. All presentations come with student activities and worked solutions. Reaction time definition Factors that increase reaction time Simple reaction time experiment Thinking distance Rearranging equations Speed equation (Final velocity)2 – (Initial velocity)2 = 2 x Acceleration x Distance v2 – u2 = 2 a s

This PowerPoint presentation with worked examples and student questions covers: • Circuit symbols • Conditions for current to flow • Measuring current in series circuits • Measuring current in parallel circuits.

This PowerPoint presentation with worked examples and student questions covers: Definition for conservation of momentum Rearranging the momentum equation Adding vectors (momentum) Applying conservation of momentum Elastic and inelastic collision CERN and discovering particles with conservation of momentum

This PowerPoint presentation with worked examples and student questions covers: • Definition of Hooke’s Law • Converting from centimeters to meters • Converting from millimeters to meters • Calculating the spring constant from a gradient of a force-extension graph • The parallax effect and good experimental practice • Data analysis (calculating mean and significant figures).

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 PowerPoint presentation with worked examples and student questions covers: • Atoms and the particle model for solids, liquids and gases • Subatomic particles and the property of charge • Structure of a metal • Explanations of the Van de Graff and Lightning.