This resource is a complete lesson that covers The Solar System for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -the terms planets, planetary satellites, comets, solar systems, galaxies and the universe -distances measured in astronomical unit (AU) This lesson includes: -A full presentation including clear visual aids and diagrams. -A worksheet with model answers, perfect to set as homework. -Editable PowerPoint and Word document for easy customisation. (Please note that this specific lesson serves as a brief introduction to the basics within the broader topic of astrophysics and cosmology) Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Astronomical Distances for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -distances measured in light-years (ly) and parsecs (pc) -stellar parallax and how it can be used to find distances in parsecs (pc) -the equation p = 1/d, where p is the parallax in seconds of arc and d is the distance in parsecs This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Stellar Evolution (Life Cycle of Stars) for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -formation of a star from interstellar dust and gas in terms of gravitational collapse, fusion of hydrogen into helium, radiation and gas pressure -evolution of a low-mass star like our Sun into a red giant and white dwarf; planetary nebula -characteristics of a white dwarf; electron degeneracy pressure; Chandrasekhar limit -evolution of a massive star into a red super giant and then either a neutron star or black hole via a supernova -characteristics of a neutron star and a black hole This lesson includes: -A full presentation with visual aids. -A worksheet with model answers, perfect to set as homework. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Stellar Spectra for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -energy levels of electrons in isolated gas atoms -the idea that energy levels have negative values -emission spectral lines from hot gases in terms of emission of photons and transition of electrons between discrete energy levels -the equations hf = ΔE and hc/λ = ΔE -continuous spectrum, emission line spectrum and absorption line spectrum -transmission diffraction grating used to determine the wavelength of light -the condition for maxima: dsinθ = nλ, where d is the grating spacing -different atoms have different spectral lines which can be used to identify elements within stars This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers the Big Bang Theory for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -the cosmological principle; universe is homogeneous, isotropic and the laws of physics are universal -Doppler effect; Doppler shift of electromagnetic radiation -Doppler equation: Δλ/λ ≈ Δf/f ≈ v/c for a source of electromagnetic radiation moving relative to an observer -Hubble’s law; v ≈ H0 d for receding galaxies, where H0 is the Hubble constant -model of an expanding universe supported by galactic red shift -Hubble constant H0 in both km s–1 Mpc–1 and s–1 units -the Big Bang theory -experimental evidence for the Big Bang theory from microwave background radiation at a temperature of 2.7 K -the idea that the Big Bang gave rise to the expansion of space-time This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Universe Evolution for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -estimation for the age of the universe; t ≈ 1/H0 -evolution of the universe after the Big Bang to the present -current ideas; universe is made up of dark energy, dark matter, and a small percentage of ordinary matter. This lesson includes: -A full presentation including an example question with a worked solution. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers The Ideal Gas Equation for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -amount of substance in moles; Avogadro constant equals 6.02 × 10^23 mol^–1 -the equation of state of an ideal gas pV = nRT, where n is the number of moles -the Boltzmann constant; k = R / Avogadro constant & pV=NkT This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Thermal Properties of Materials (Specific Heat Capacity & Specific Latent Heat) for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -specific heat capacity of a substance; the equation E = mcΔT -an electrical experiment to determine the specific heat capacity of a metal or a liquid -specific latent heat of fusion and specific latent heat of vaporisation, E = mL -an electrical experiment to determine the specific latent heat of fusion and vaporisation This lesson includes: -A full presentation including 3 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Stellar Radiation & Luminosity for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -use of Wien’s displacement law λmax ∝ 1/T to estimate the peak surface temperature (of a star) -luminosity L of a star; Stefan’s law L = 4πr²σT⁴ where σ is the Stefan constant -use of Wien’s displacement law and Stefan’s law to estimate the radius of a star. -Hertzsprung–Russell (HR) diagram as luminosity-temperature plot; main sequence; red giants; super red giants; white dwarfs. This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Damping (Free & Forced Oscillations) for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -free and forced oscillations -the effects of damping on an oscillatory system -observe forced and damped oscillations for a range of systems -resonance; natural frequency -amplitude-driving frequency graphs for forced oscillators -practical examples of forced oscillations and resonance This lesson includes: -A full presentation with clear visual aids and diagrams. -A worksheet with model answers, perfect to set as homework. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Gravitational Field Strength for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -gravitational field strength; g = F/m -gravitational field strength g = -(GM) / r² for a point mass (inverse square law) -gravitational field strength is uniform close to the surface of the Earth and numerically equal to the acceleration of free fall. This lesson includes: -A full presentation including 3 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Kirchhoff’s Laws for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -Kirchhoff’s first law; conservation of charge. -Kirchhoff’s second law; the conservation of energy -Kirchhoff’s first and second laws applied to electrical circuits -total resistance of two or more resistors in series; R = R1 + R2 + R3 + … -total resistance of two or more resistors in parallel; 1/R = 1/R1 + 1/R2 + 1/R3 + … -analysis of circuits with components, including both series and parallel This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Progressive Waves for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -progressive waves -displacement, amplitude, period, wavelength, and phase difference -longitudinal and transverse waves -graphical representations of transverse and longitudinal waves This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Electromagnetic Waves & Polarisation for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -the properties of electromagnetic waves. -the electromagnetic spectrum -orders of magnitude of wavelengths of the principal radiations from radio waves to gamma rays -plane polarised waves -the polarisation of electromagnetic waves (e.g. light and microwaves) -techniques and procedures used to observe polarising effects using microwaves and light (polarising filters for light and metal grilles for microwaves in demonstrating polarisation) This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Refractive Index & Total Internal Reflection for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -refraction of light -refractive index; n = c/v -n1 sin θ1 = n2 sin θ2 at a boundary, where θ is the angle to the normal -techniques and procedures used to investigate refraction and total internal reflection of light using ray boxes, including transparent rectangular and semi-circular blocks -critical angle; sin C = 1/n -total internal reflection for light. This lesson includes: -A full presentation including 4 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers The Potential Divider for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -potential divider circuit -potential divider equations; V1/V2 = R1/R2 and Vout = R2 / (R1 + R2) x Vin -potential divider circuits with variable components e.g. LDR and thermistor -Potentiometers -techniques and procedures used to investigate potential divider circuits which may include a sensor such as a thermistor This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Frequency, Speed & Intensity for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -the equation f = 1/T -the wave equation v = fλ -techniques and procedures used to use an oscilloscope to determine frequency -intensity of a progressive wave; I = P/A -intensity ∝ (amplitude)^2. This lesson includes: -A full presentation including 5 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Reflection & Refraction for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -reflection and refraction of all waves -techniques and procedures used to demonstrate reflection and refraction using a ripple tank This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers The Young Modulus for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -stress, strain and ultimate tensile strength -Young modulus = tensile stress / tensile strain -techniques and procedures used to determine the Young modulus for a metal This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Stress-Strain Graphs for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -stress–strain graphs for typical ductile, brittle and polymeric materials This lesson includes: -A full presentation including an example question with a worked solution. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.