This presentation covers OCR Gateway Physics 9-1 P5.2.3 Imaging with Electromagnetic waves. Includes student activities and full worked answers. Careers: Medical Physicist X-rays CT scans Gamma imaging Thermogram Magnetic Resonance Imaging Precautions for using ionising radiation

This presentation cover the OCR Gateway Physics 9-1 P5.2.2 Uses and Dangers of EM radiation. PowerPoint includes student activities with full worked answers. Recall that light is an electromagnetic wave Give examples of some practical uses of electromagnetic waves in the radio, micro-wave, infra-red, visible, ultraviolet, X-ray and gamma-ray regions Describe how ultra-violet waves, X-rays and gamma rays can have hazardous effects, notably on human bodily tissues. Explain that electromagnetic waves transfer energy from source to absorber to include examples from a range of electromagnetic waves Precautions for ultra-violet waves, X-rays and gamma rays

These presentations cover the OCR Gateway Physics 9-1 P5.2.1 Electromagnetic Waves. Includes student activities and full worked answers. Order of the electromagnetic spectrum Wavelength and frequency relationship Application of wave speed equation Rearranging equation Producing and detecting radio waves

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.

This presentation covers OCR Gateway Physics 9-1 P5.1.3 Sound Properties and Uses. Includes student activities and full worked answers. Ray diagrams Absorption, reflection and transmission Sonar Ultrasound Rearranging equation Refraction Relationship between wave speed and wavelength Data analysis

This presentation covers OCR Gateway Physics 9-1 P5.1.2 Wave Velocity. Includes student activities and full worked answers. Simple experiment for the speed of sound Speed of sound experiment with microphones and oscilloscope. Ripple tank demonstration and explanation The speed equation Measuring distance and time Echoes 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

This presentation covers OCR Gateway Physics 9-1 P5.1.1b Waves and their properties. Includes student activities and full worked answers. Amplitude Wavelength Frequency Time period Calculating frequency and equation Relationship between frequency and wavelength when speed is constant. Calculating time period from frequency with equations

Middle term plan for OCR Gateway Physics P2 This coveres: Code Combined or Triple Number of lessons Math Skills Equations Introduced Skills Developed Content Covered Practical or Demo

35 mark assessment with mark scheme for P2 from OCR Gateway Physics 9-1. • 5 multiple choice questions • Scalars and Vectors • Speed • Acceleration • Equation of Motion • Velocity-time graph • Included physics equations • PIN cover sheet

This presentation covers OCR Gateway Physics 9-1 P2.3.6 Hydraulic Systems • Uses of hydraulics • Pressure equation • Rearranging equation • Calculating pressure in liquids • Describing how force multiplies in hydraulic systems • Worked examples and student problems

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 P2.3.4 Turning Forces Clockwise and anti-clockwise moments Equation for moments Rearranging equation Balancing moments Principle of moments

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

This presentation covers OCR Gateway Physics 9-1 P2.3.2 • Spring Energy Equation • Rearranging equation with two methods • Problems and worked solutions • Exam style question and answer • Analysing force-extension graphs

These two lesson presentations covers the OCR Gateway Physics 9-1 P2.3.1 material. • Number of forces needed to deform an object • Elastic and Plastic definitions • Hooke’s Law • Rearranging equations • Determining the gradient • Determining the spring constant • Experimental procedure • Exam style questions with solutions

This presentation covers OCR Gateway Physics 9-1 P2.2.7 Work done equation Rearranging work done equation Questions and answers for work done Power equation and definition Rearranging power equation Different units for work done: J, N m, kg m^2/s^2