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Physics
GCSE Physics: Speakers and Microphones
This lesson presentations covers OCR Gateway Physics 9-1 P4.2.6 Speakers and Microphones.
Definition of sound waves.
Structure and operation of a speaker.
Fleming’s left hand rule.
Structure and operation of a microphone.
Electromagnetic induction.
Comparison of speakers and motors.
Comparison of microphone and generators.
Comparing microphones and speakers
OCR AS level Physics: Power and Efficiency
OCR AS level Physics: Power and Efficiency is a part of the Module 3: Work, Energy and Power.
Presentation come with worked examples, solutions and homeworks.
OCR AS level Physics: Springs and Hooke's Law
OCR AS level Physics: Springs and Hooke’s Law is a part of the Module 3: Materials.
Presentation come with worked examples, solutions and homeworks.
OCR AS level Physics: Kinetic and Gravitational Potential Energy
OCR AS level Physics: Kinetic and Gravitational Potential Energy is a part of the Module 3: Work, Energy and Power.
Presentation come with worked examples, solutions and homeworks.
GCSE Physics: Nuclear Equations
This presentation covers OCR Gateway Physics 9-1 P6.1.3 Nuclear Equations
All presentations come with student activities and worked solutions.
Nuclear Notation - mass number and atomic number
Nuclear equations for emissions of:
Alpha radiation
Beta radiation
Gamma radiation
Bundle
OCR A level Physics: Capacitance
OCR A level Physics: Chapter 21 Capacitance is apart of the Module 6: Particle and Medical Physics
All presentations come with worked examples, solutions and homeworks.
21.1 Capacitors
21.2 Capacitors in circuits
21.3 Energy stored by capacitors
21.4 Discharging capacitors
21.5 Charging capacitors
21.6 Uses of capacitors
Electrical quantities, symbols, and units
SI prefixes and standard form
Definition of a capacitor
Structure of a capacitor
Calculating capacitance, charge, and potential difference.
Uses of capacitors in circuits.
Rules for capacitors in parallel (potential difference, charge, and capacitance).
Rules for capacitors in series (potential difference, charge, and capacitance).
Applying the rules in series and parallel.
Creating a circuit to calculate the charge stored on the capacitor.
Work done of a capacitor depends upon the initial potential difference and capacitance.
Work done is provided by the source of potential difference.
Deriving three equations for work done of a capacitor.
Exponential increase and exponential decay
Explaining how capacitors discharge through a resistor in parallel
Definition of time constant for a capacitor
Showing that time constant has units of seconds
Iterative method for finding how capacitors discharge
Using exponentials and logs.
Solving a differential equation (needed for A-level Maths).
Explaining how capacitors charge with a resistor in series
Explaining how 𝑉, 𝐼, or 𝑄, change with time 𝑡 for a charging capacitor.
Sketching graphs for 𝑉, 𝐼, or 𝑄, after time 𝑡 for a charging capacitor.
Calculating 𝑉, 𝐼, or 𝑄, change with time 𝑡 for a charging capacitor.
Calculating power output from a circuit containing a capacitor
A rectifier circuit - changing an alternating input to a smooth output
Bundle
OCR A level Physics: Electric Fields
OCR A level Physics: Chapter 22 Electric Fields is apart of the Module 6: Particle and Medical Physics
All presentations come with worked examples, solutions and homeworks.
22.1 Electric Fields
22.2 Coulomb’s Law
22.3 Uniform electric fields and capacitance
22.4 Charged particles in uniformed electric fields
22.5 Electric potential and energy
Electric field line pattern from point charges, uniformly charged objects, and capacitors.
Rules for electric field lines
Interacting field lines for attraction and repulsion
Detecting electric fields with a charged gold leaf
Definition of electric field strength
Explaining that electric field strength is a vector with magnitude and direction
Apply the equation for electric field strength
Electric force related to the product of charge and square of the separation
The constant of proportionality 𝑘
Permittivity of free space
Experiment for investigating Coulomb’s Law
Electric Field Strength and Coulomb’s Law
Liquid crystal displays (LCDs)
Electric field between two charged parallel plates
Deriving an equation for electric field strength of a parallel plate capacitor.
Accelerating charged particles in a uniformed electric field
Capacitance of a parallel plate capacitor with an insulating (dielectric) material - relative permittivity
Millikan’s experiment
Equations for constant acceleration
Maximum kinetic energy of a charged particle in a uniformed field
Sketching trajectories for charged particles in uniformed fields
Calculating velocities for horizontal and vertical components
Definition of electric potential energy
Definition of electric potential.
Definition of electric potential difference.
Using a force-distance graph to determine electric potential energy
Using electron-volts and joules in calculations
Capacitance of an isolated charged sphere
Bundle
GCSE OCR Physics: P7.1 Energy and Forces
All resources for P7.1 Work Done GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material.
Energy Stores and Energy Transfers
Work Done and Kinetic Energy
Work Done, Kinetic Energy and Thermal Energy
Work Done and Spring Energy
Gravitational Energy
Kinetic Energy
Kinetic and Gravitational Energy
Gravitational and Spring Energy
Gravitational Force and Energy
OCR AS level Physics: Drag and Terminal Velocity
OCR AS level Physics: Drag and Terminal Velocity is a part of the Module 3: Forces and Motion
Presentation come with worked examples, solutions and homeworks.
Drag and speed relationship
Free body diagrams
Net forces and acceleration
GCSE Physics: Forces and Fleming's Left Hand Rule
This presentation covers OCR Gateway Physics 9-1 P4.2.1 Forces, Current and Fleming’s Left Hand Rule.
This presentation includes:
Interacting Magnetic Field Lines
Increasing Magnitude of the force on a current carrying conductor
Applying Fleming’s Left Hand Rule
GCSE Physics: Atmospheric Pressure
This presentation covers OCR Gateway Physics 9-1 P1.3.3 Atmospheric Pressure
This presentation includes:
Balanced and unbalanced forces
Resultant force
Changing atmospheric pressure
Exam style question with mark scheme
GCSE Physics: Distance, Time and Speed
This presentation covers material for OCR Physics Gateway 9-1 P2.1.1
Covered:
Measuring and calculating
Accuracy of stop watch vs light gate
Conversion of units
Exam style question
Worked examples
Students questions with answers
Bundle
GCSE OCR Physics: P1 Matter Full scheme
All resources for P1 GCSE OCR Physics Gateway 9-1.Triple and combined (Higher and Foundation) is covered in this material.
Includes:
End of topic test
Scheme of work
Development of the atomic model
Density
Temperature
Specific Latent Heat
Specific Heat Capacity
Pressure and Temperature
Pressure and Area
Pressure are Volume
Atmospheric Pressure
Liquid Pressure
Sinking and Floating
Bundle
GCSE OCR Physics P5 Waves
Resources for P5 GCSE OCR Physics Gateway 9-1 Triple and Combined (Higher and Foundation) is covered in this material.
Each lesson includes student activities and full worked answers.
Definition of a wave
Mechanical waves
Electromagnetic waves
Transverse waves
Longitudinal waves
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
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.
Ray diagrams
Absorption, reflection and transmission
Sonar
Ultrasound
Rearranging equation
Refraction
Relationship between wave speed and wavelength
Structure of the ear.
Frequency range of human hearing.
Explanation of the limited frequency range of humans.
Explanation for hearing deteriorating with age.
Order of the electromagnetic spectrum
Wavelength and frequency relationship
Application of wave speed equation
Rearranging equation
Producing and detecting radio waves
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
Careers: Medical Physicist
X-rays
CT scans
Gamma imaging
Thermogram
Magnetic Resonance Imaging
Precautions for using ionising radiation
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.
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
Convex and Concaves lenses
Eyes and corrective lenses
Refraction and wavelength
Focal points for lenses
Determining the type of images produced through a lens
Names of colours for the visible spectrum
Coloured filters
Coloured objects acting as a coloured filters
White light and refracting prism
Refraction and wavelength
Specular reflection
Diffuse scattering
Scattering - Why the sky is blue and milk is white.
Bundle
GCSE OCR Physics: P7.2 Power and Efficiency
All resources for P7.2 P7.2 Power and Efficiency GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material.
All powerpoints include student activities and worked examples.
Electrical Work Done
Paying for Electricity
Electrical Energy Transfers
Electrical Heating
Thermal Conductivity
Efficiency and Sankey Diagrams
Bundle
GCSE OCR Physics: P8 Global Challenges
All resources for P8 Global Challenges GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material.
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
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
Factors affecting braking distance
Total stopping distances
Calculating area of a velocity-time graph for displacement (distance traveled).
Rearranging equations
MOT testing
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.
Types of different energy sources
Renewable and non-renewable definitions
Different uses of energy sources - transport, heating, and generating electricity
Advantages and disadvantages of different energy sources
Fossil fuels – oil, coal, and natural gas.
Nuclear fuel – Uranium
Biofuels – wood, biodiesel, and biogas.
The sun - solar (PV) panels and solar heating panels
Tides
Waves
Hydroelectricity
Wind
Geothermal
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.
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
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.
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
Structure of the solar system
Nuclear Fusion
Evolution of large stars
Evolution of Sun like stars
Gravitational force and force from nuclear fusion
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
All objects emit electromagnetic radiation
Describe how changing temperature changes frequency, wavelength, and intensity of the radiation produced.
Explain why objects change temperature by absorbing and emitting radiation.
Explain why the temperature of the Earth changes due to greenhouse gases in the atmosphere.
S and P waves
Structure of the Earth
Reflection, absorption, and refraction of waves
Sonar to map the ocean floor
GCSE Physics: Graphs of Current and Potential Difference (I-V)
This presentation covers OCR Gateway Physics 9-1 P3.2.4 Graphs of potential difference (p.d.) and current.
Linear circuit element
Non-linear circuit element
Diodes and Light emitting diode (LED)
Current against potential difference graphs
How the gradient of a current against potential difference graph relates to resistance
Experimental set-up for determining circuit elements
How temperature affects resistance in lamps and metal conductors (wires)
GCSE Physics: Acceleration
This presentation covers OCR Gateway Physics 9-1 P1.2.3.
Content covered:
Definition for acceleration
Worked solutions
Students problems with answers
Exam style question with mark scheme
GCSE Physics: Velocity-time graphs
This presentation covers OCR Gateway Physics 9-1 P2.1.5
Analysing velocity-time graphs
Calculating the gradient
Acceleration from velocity-time graphs
Distance travelled from velocity-time graphs
Worked problems and solutions
GCSE Physics: Newton's First Law
This presentation covers OCR Gateway Physics 9-1 P2.2.3.
PowerPoint with multiple student activities and complete worked answers.
Newton’s First Law definition
Balanced and unbalanced forces producing accelerations
Acceleration being the change in velocity
The principle of inertia
Definition for equilibrium