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OCR A level Physics: Hertzsprung-Russell Diagram
OCR A level Physics: 19.3 Hertzsprung-Russell Diagram
Module 5 Newtonian World and Astrophysics
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Definition of luminosity
Usual axis choice of a HR diagram.
Identifying the positions of the main sequence, white dwarfs, red giants, and red supergiants.
Description of how stellar evolution is shown in a Hertzsprung-Russell diagram.
Bundle
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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
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OCR A Level Physics: Gravitational Potential
OCR A level Physics: 18.6 Gravitational Potential
Module 5 Newtonian World and Astrophysics
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Center of mass and treating spherical objects as point masses
Gravitational fields
Definition of gravitational potential
Applying the gravitational potential equation
Graph of gravitational potential against distance (V against r)
Combining gravitational potentials from more than one mass
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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)
Bundle
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GCSE Physics: P3 Electricity Full Scheme
All resources for P3 Electricity GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material.
Includes:
Electrostatics
Electrical Current
Electrical Current Practical Activity
Circuit Symbols and Potential Difference
Series and Parallel Circuits
Resistance and Ohm’s Law
Resistance of a wire Practical Activity
I-V Characteristics and Component Graphs
Circuit Calculations
Sensing Circuits
Electrical Power and Energy
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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
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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
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GCSE Physics: The National Grid
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
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GCSE Chemistry: Thin Layer and Gas Chromatography
This PowerPoint presentation with worked examples and student questions covers:
• Experimental Procedure for Thin Layer Chromatography
• Analysing and calculating Rf Values
• Pros and cons of paper and TL chromatography
• Experimental procedure for Gas Chromatography
• Persuasive writing and embedding literacy in science
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GCSE Chemistry: Exothermic and Endothermic Reactions
This PowerPoint presentation with worked examples and student questions covers:
• Definition for exothermic and endothermic
• Examples of exothermic and endothermic reactions
• Practical procedure for NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l)
• Determining if experimental evidence show a exothermic or endothermic reaction
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GCSE Chemistry: Redox Reactions
This PowerPoint presentation with worked examples and student questions covers:
• Oxidation and reduction reactions for oxygen
• Identification of oxidation and reduction agents
• Oxidation and reduction reactions for electrons
• Half equations to determine oxidation and reduction
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GCSE Chemistry: Hydrogen Ions and pH
This PowerPoint presentation with worked examples and student questions covers:
• Concentration of fruit squash
• Comparing strong and weak acids
• pH and hydrogen ion concentration
• Titration curves
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GCSE Chemistry: Crude Oil and Cracking
This PowerPoint presentation with worked examples and student questions covers:
• Definition of hydrocarbons
• Fossil fuels being finite and non-renewable
• Inter-molecular forces and boiling points
• Fractional distillation of crude oil
• Uses of crude oil
• Cracking equations and reasons to crack hydrocarbons
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GCSE Chemistry: Condensation Polymers
This PowerPoint presentation with worked examples and student questions covers:
Block notation for hydrocarbons
Amino acids functional groups
Amino acids forming proteins through condensation reactions
Forming polyesters through condensation reactions
Forming polyamides through condensation reactions
Comparing polyesters and polyamides
Conditions for condensation polymers
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A Level Chemistry: Directing Group for Benzene
OCR A level Chemistry: 25.4 Directing Group
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Naming positions on the aromatic ring
Activating groups and deactivating groups
2-and-4-directing and 3-directing groups
ortho-and-para directing and meta directing groups
Two-step synthesis routes for benzene using directing groups.
Nitration of benzene
Halogenation of benzene
Friedel-Crafts Alkylation of benzene
Bundle
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GCSE OCR Physics: P6 Radiation
All resources for GCSE OCR Physics Gateway 9-1 P6 Radiation.
Triple and combined (Higher and Foundation) is covered in this material.
Atoms and Isotopes
Alpha, Beta, and Gamma Radiation
Nuclear Equations
Half-life
Radiation and the body
Nuclear Fusion
Nuclear Fission
Radiation in and out of atoms
Bundle
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OCR AS level Chemistry: Organic Synthesis
OCR AS level Chemistry: Organic Synthesis is apart of the Module 4: Core Organic Chemistry and Analysis
All presentations come with worked examples, solutions and homeworks
Heating under reflux
Distillation
Re-distillation
Purifying Organic Products
Removing impure acids from organic compounds
Drying agents
Functional Groups - Alkane, Alkene, Haloalkane, Alcohols, Carboxylic Acid, Ketone, Aldehyde, Ester, Amine, Nitrile.
One-step synthetic routes with reagents and conditions
Two-step synthetic routes with reagents and conditions
Bundle
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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
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A level Chemistry: Amines
OCR A level Chemistry: 27.1 Amines
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Aliphatic and aromatic hydrocarbons
Amines being derived from ammonia (NH3)
Classifying amines as primary, secondary, and tertiary
Naming amines
Naming ammonium salts
Amines neutralisation reactions with acids
Preparation of aliphatic amines
Preparation of aromatic amines
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A level Chemistry: Carbon-Carbon Bond Formation
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Forming nitriles from haloalkanes
Forming nitriles from aldehydes and ketones
Forming amines from nitriles (reduction)
Forming carboxylic acids from nitriles (hydrolysis)
Friedel-Crafts alkylation of benzene
Acylation of benzene with acyl chloride