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OCR AS Physics: Diodes
OCR AS Physics A: Diodes is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
Polarity of diodes
Conventional current and diodes
Plotting I-V curves for diodes
Describing I-V curves for diodes
OCR AS Physics: Combining Resistors
OCR AS Physics A: Combining Resistors is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
Rules for adding resistors in series and parallel
Applying adding resistors in series and parallel
OCR AS Physics: Analysing Circuits
OCR AS Physics: Analysing Circuits is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
Drawing and labeling circuit diagrams
Adding Resistors in Series and Parallel
Ohm’s Law
Kirchhoff’s Laws
The Electrical Power Equation
OCR AS Physics: Wave Properties
OCR AS Physics: Wave Properties is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
GCSE OCR Physics: Circuit Calculations
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
GCSE Physics: Atomic Model 2
This presentation covers OCR Gateway Physics 9-1 P1.1.2
Scientific Models
Dalton’s model
Rutherford’s model
Bohr’s model
GCSE Physics: Density
This presentation covers OCR Gateway Physics 9-1 P1.2.1
Presentation includes
Calculating volume for regular shapes
Conversion from grams (g) to kilograms (kg) and centimetres (cm) to meters (m) with exercise and answers
Converting with standard form with examples and solutions
Applying the density equation with examples and solutions
Proportionalities
Plenary exam question and solution
GCSE Physics: Density Practical
This presentation covers OCR Gateway Physics 9-1 P1.2.1
Presentation includes
Conversion from grams (g) to kilograms (kg) and centimetres (cm) to meters (m) with exercise and answers
Finding volume of regular and irregular shapes
Plenary Exam Question and Answer
GCSE Physics: Specific Heat Capacity
This presentation covers OCR Gateway Physics 9-1 P1.2.3
Presentation includes:
Definition of SHC
Real life examples of SHC
SHC equation with example
SHC equation questions with worked solutions
Exam question with solution
GCSE Physics: Pressure and Surface Area
This presentation covers OCR Gateway Physics 9-1 P1.3.2 Pressure and Volume
This presentation includes:
Calculating surface area
Pressure equation with worked example
Rearranging pressure equation
Pressure equation problems with full solutions
GCSE Physics: Pressure and Volume
This presentation includes:
Pressure x Volume = Constant
Worked Examples
Plotting of pressure-volume graph
Explanation of increasing energy and temperature with bike pump
OCR A level Physics: Solids, Liquids and Gases
OCR A level Physics: Solids, Liquids and Gases is a part of the Module 5: Newtonian World and Astrophysics. The PowerPoint presentation includes worked examples, solutions and a homework.
OCR A Level Physics: The Boltzmann constant
OCR A Level Physics: The Boltzmann constant presentation with homework and answers
GCSE Physics: Work Done and Elastic Energy
This presentation covers OCR Gateway Physics 9-1 P7.1.4 Work Done and Spring Energy.
Use of Springs
Measuring Extension of a Spring
Rearranging Spring Energy Equation
Rearranging Kinetic Energy Equation
Practice Questions with Worked Solutions
Bundle
OCR AS level Chemistry: Alkenes
OCR AS level Chemistry: Alkenes is apart of the Module 4: Core Organic Chemistry and Analysis
All presentations come with worked examples, solutions and homeworks
Comparing pi-bond (π-bond) and sigma bonds (σ-bonds).
Aliphatic alkenes and alicyclic arrangements of molecules
s, p, d orbitals for electrons
Trigonal planar shape of alkanes leading to 120 degree bond angle.
E/Z isomerism
Conditions for trans- and cis- isomerism
Cahn-Ingold-Prelog rules and priority ordering
Alkene addition reactions:
Hydrogen with a nickel catalyst
Halogens
Hydrogen halide
Steam with an acid catalyst
Test for unsaturated alkenes.
Bond enthalpy for sigma and pi bonds.
Electrophile molecules
Electronegativity
Reaction mechanisms for addition reaction of alkenes and hydrogen halides
Carbocations and stability
Markownikoff’s Rule
Monomers and repeat units
Addition Polymerisation for:
Polyethene
Polypropene
Polylactate
Polystyrene
Polyvinyl Chloride (PVC)
Environmental Concerns from polymers including:
Combustion of polymers
recycling PVC
biogradeable bioplastics
photodegradable polymers
feedstock recycling
GCSE Physics: Electrical Power and Work Done
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
GCSE Physics: Efficiency
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
GCSE Physics: Everyday Motion
This presentation covers OCR Gateway Physics 9-1 P8.1.1 Everyday Motion. All presentations come with student activities and worked solutions.
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
GCSE Physics: Reaction Time and Thinking Distance
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
GCSE Physics: Forces in Collisions
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.