GCSE Physics 10.3 Thursday 16-06-2016 Sound Classwork We finished going over the end of year exam. We started to recap on sound, and made some basic notes. I did a few demonstrations with a microphone and an oscilloscope, and we looked at the interpretation of oscilloscope traces. Monday 13-06-2016 Going through exam Classwork We started to go through the end of year exam. We will finish this next lesson, then move on to the next topic: sound. Thursday 12-05-2016 Big Bang Classwork We made notes on the big bang theory, and the evidence provided by red shift of galaxies and cosmic microwave background radiation. The notes are here and the wording of the explanations is quite important. We also discussed whether or not we are at the centre of the universe's expansion. This is not on the syllabus but it's nice to understand. We then considered what could happen to the universe in future. Monday 09-05-2016 Doppler effect, red shift Classwork We went over key ideas about the Doppler effect from your HW. I demonstrated this page which is really useful for seeing the cause of the Doppler efect. We discussed the doppler effect for light, and 'blue shift' and 'red shift'. You started to watch this video which shows how the theory of the Big Bang developed. More on this next lesson. Thursday 05-05-2016 Doppler Effect Classwork We went through the test on waves. You made notes on proportionality, and different ways to test for it. I gave out the list of stuff you need to know for the end of year exam. We started to make notes on the Doppler effect, and we went to the field where I demonstrated it using sound. Homework Watch this video about the doppler effect and add to your notes. This interactive page is really good. Click and drag to fly the plane and see the waves. Make sure you have diagrams showing a source of waves moving towards an observer and away from an observer. (or you could do one diagram with two observers, one in front and one behind the source of waves.) Bring your notes and any questions to next lesson. Monday 02-05-2016 Bank Holiday Thursday 28-04-2016 Test Classwork We did some revision, then did the test on Waves. Homework No homework. Monday 25-04-2016 Cover Lesson Classwork Revise for the test on Thursday. I gave out the answers to the textbook questions in the lesson. Homework Revise. Thursday 21-04-2016 EM Applications Classwork We got lots done today. We went over the HW and I demonstrated the question about the tea tray using a speaker as the source of waves and a microphone as the detector. You made notes on x-rays and CT scans, and we watched this video which gives a nice explanation. You then made notes on radiotherapy, and how damage to healthy tissue is minimized. We watched this video which shows x-rays being used to treat cancer. You made notes on sterilization, and the particular use of x-rays and gamma rays because they are so penetrating. Homework You might want to watch this video which shows a gamma sterilization plant. Revise for a test on waves next week. Monday will be a cover lesson for revision, then we will do the test on Thursday. Monday 18-04-2016 Diffraction & Interference Classwork You did the questions on diffraction on P73 and we went through them together. I did a few demonstrations of interference - one with sound using two speakers and this website, and one with light (which is called Young's Double Slit Experiment. Homework Answer the questions on P75 and hand in before registration on Wednesday. Thursday 14-04-2016 Diffraction Classwork I gave out a slightly revised list of stuff you need to know for this topic. We agreed to do the end of topic test on Monday 25th April. Update: test moved to Thursday to give you more time to revise. You made notes on diffraction, and we drew some diagrams carefully. We discussed the diffraction of light around obstacles in the context of radio waves diffracting around hills. If you missed the lesson watch this video. Homework Make notes on wave interference using P74-5 and this video. NOTE you can stop the video when he starts talking about "standing waves" - you don't need to know about them till A Level. Thursday 10-03-2016 Wavefronts, Electromagnetic Spectrum Classwork We completed ray and wavefront diagrams for reflection and refraction. See full notes here. You can also watch an animation of refraction with wavefronts here. I introduced the electromagnetic spectrum with this video and we started to make notes. Homework Find the typical wavelength and frequency for each part of the EM spectrum. Find three uses for each part. Bring completed notes to next lesson. Monday 07-03-2016 Reflection and refraction Classwork We went over the HW. We corrected the reflection diagram. You did a practical to investigate the refraction of light through a rectangular block. Homework Watch and make notes on this video about wavefronts and rays. Bring your notes to next lesson. Thursday 03-03-2016 Frequency, period, wave equation Classwork We did some examples of measuring the amplitude, wavelength and period of waves using this simulator. We then worked out the formulae f = 1/T and T = 1/f and did a number of examples of finding the frequency of a wave. I introduced the wave equation v = fλ and we did some examples, including sound waves and radio waves. You answered these questions which applied both the formulae above. Homework Draw labelled diagrams for: reflection of light from a plane mirror refraction of light through a rectangular block Hand in tomorrow morning by 9am. Monday 29-02-2016 Longitudinal Waves Classwork We went through the test on forces. You made notes on longitudinal waves. Homework Watch and make notes on this video about wave measurements. P68 of the textbook will help. Bring notes to next lesson. Thursday 25-02-2016 Recap + test Classwork We did some recap on forces, momentum and energy. We did the test. Homework No homework. Monday 22-02-2016 Waves Classwork We made notes on waves. People demonstrated transverse and longitudinal waves on a slinky, and I also showed you transverse waves on a rope. We made notes on transverse waves and some examples - we will do longitudinal waves next lesson. Homework Revise for test on Thursday. Thursday 11-02-2016 Energy Transfers Classwork We went through the sheet on rollercoasters. You did some calculations for energy transfers betwen gravitational and kinetic energy. Homework Revise for test on Thursday 25th February. Monday 08-02-2016 Energy Transfers Classwork We used this sheet to recap on the work you have done on gravitational potential energy and kinetic energy. We went over a couple of questions you had from the cover lesson last week. Homework Revise for a test on this stuff on Thursday 25th Feb. Thursday 04-02-2016 Cover Lesson Classwork By this stage you should have notes on Work, Power, Gravitational Potential Energy and Kinetic Energy. If you missed any of these lessons, please use P40-47 to catch up on areas you have missed. Answer Q1-3 on P45. Answer Q1-2 on P47. For homework, use the markscheme to check your answers. Monday 01-02-2016 Gravitational Potential Energy Classwork I gave you some feedback on the HW. You made notes on gravitational potential energy, and we did some example calculations. Homework Use P46-7 and this video to make notes on kinetic energy. Bring your notes to next lesson. Thursday 28-01-2016 Work and Power Classwork We went through some examples of work done and energy transfers. We noted how important it is to consider the start and end point, and also the direction of the force and the motion. You made brief notes on power, and we did some power calculations. You started some past paper questions. Homework Finish the past paper questions and hand in tomorrow morning before registration. Monday 25-01-2016 Work and Energy Classwork We started to make notes on work and energy transfers. We recapped on energy transfers, and on using Sankey diagrams to visualise them. Homework Continue your notes on work. Use P40-41 and the first half of this video - stop when he starts talking about asteroids. Bring your notes to next lesson, when we will do some examples. Thursday 21-01-2016 Hooke's Law Classwork We made notes on Hooke's Law, including the definition and equation. We did an experiment to collect more force/extrnsion data up to the point where a spring breaks. We considered what is meant by 'proportionality', and looked at graphs for things that were or were not proportional. Homework Answer Q6-7 on P38. Leave out 7b (the graph). Hand in tomorrow morning before registration. Monday 18-01-2016 Hooke's Law Classwork We did the practical shown in the video from last lesson's HW. Homework Plot a graph of EITHER F on y-axis and ΔL on x-axis OR T on y-axis and m on x-axis. Write a short conclusion ON THE GRAPH PAPER. Hand in tomorrow morning before registration. Thursday 14-01-2016 Skydiver Classwork We went through the force diagrams for various stages of a skydiver doing a parachute jump. We dealt with the misconception of the skydiver moving upwards when the parachute is opened. You drew a speed-time graph for a skydiver and annotated it. You answered the questions on P35 and we went through most of them together. Homework Watch this video which shows an experiment you will do next week. The video is not in English - try to work out what is going on. I will ask some of you to do a voiceover in English next lesson. Monday 11-01-2016 Terminal Speed Classwork You plotted graphs of a paper cone being droppen and reaching its terminal speed. We started to go through the explanation of why objects reach a terminal speed - we will continue with this next lesson. Homework For some reason I didn't set a homework. If you didn't have your notes to show me today please make sure you bring them next lesson. Thursday 07-01-2016 Terminal Speed Classwork You predicted how a feather and a rubber would fall when dropped. We did this experiment using a slow motion camera and compared the results to the predictions. You decided that air resistance caused the two objects to fall differently. We watched a video to see what happens if air resistance is removed. You did an experiment to find out whether the mass or the size of a paper cone affects its terminal speed. Homework Watch this video from 3:05 onwards and use P34-5 to make notes on Terminal Velocity. Bring your notes to next lesson. Thursday 10-12-2015 Testing Crumple Zones Classwork We went over the cover work you did on stopping distances. You designed, built and tested crumple zones and we analysed them using a slow-motion camera. Homework No homework. Monday 07-12-2015 More impact forces Classwork We went through the HW in detail. We did some more examples of collisions & impact forces. Homework Watch this video and make notes on P32-33. You do not need to memorise the distances in Figure 2. Bring your notes to next lesson. Thursday 03-12-2015 Impact Forces Classwork We made notes on impact forces. You learned a new formula - F = Δp/t We looked at impact forces in the context of car crashes, and explained how safety features worked. We looked at some car crash tests to see airbags and crumple zones in action. Homework Answer the questions on P27 and hand in tomorrow morning before registration. Monday 30-11-2015 Collisions Classwork We went through some examples of collision calculations where the objects stick. Homework Watch this video and add to your notes if necessary. Correct your HW from last lesson, and bring your corrections to next lesson. If you need to print off a new sheet, you can find it here. Thursday 26-11-2015 Momentum, collsions and explosions Classwork I introduced explosions and did some demonstrations. You wrote some notes and we did an example, and answered the questions on P25. I introduced collisions where the objects collide and stick. Homework Complete the worksheet on collisions and hand in tomorrow morning before registration. Monday 23-11-2015 Fusion & Stars Classwork We went through the HW and made notes on the formation of stars and the origin of the different elements found in our solar system. Homework We are now starting a new topic: momentum. Watch this video and use P22-3 to make notes about momentum. Bring your notes to next lesson. Thursday 19-11-2015 No lesson - science week talk Monday 16-11-2015 Fission/fusion recap Classwork We went over some key aspects of fission (chain reaction, parts of a nuclear reactor, control rods, water as a moderator) Homework Complete the past paper questions I gave out today (leave out 1d). Hand in tomorrow morning. Thursday 12-11-2015 Life Cycle of Stars Classwork Read and make notes on P230-232 (.Life history of a star. and .How the elements formed.. Answer the questions on P231 and check your answers. Make a list of questions you want to ask me when I am back next week. Homework Go over the work you have covered in the last two weeks, and re-watch the videos for any areas you are not sure about. Monday 09-11-2015 Nuclear Issues Classwork Read and make notes on .Nuclear Issues. on P226-7. Answer the questions on P227. Homework Check your answers to the questions you did in class. Watch https://www.youtube.com/watch?v=PM9CQDlQI0A (no need to make notes) Monday 02-11-2015 Nuclear Fission Classwork Use P222-3 to continue your notes on nuclear fission . you need to add: How a chain reaction can happen A diagram of a nuclear reactor, with the main parts labelled The function of control rods, and the use of water as a coolant and moderator Useful videos: https://www.youtube.com/watch?v=_pY5HeZpNr8 https://www.youtube.com/watch?v=1U6Nzcv9Vws Homework Answer Q1-2 on P223 and bring to next lesson. Thursday 15-10-2015 Nuclear Fission Classwork We went through the test. I gave out the list of stuff you need to know for the next topic - fission and fusion. We made notes on nuclear fusion, and just got up to the point where the neutrons produced in fission can go on to cause a chain reaction. If you missed the lesson, watch this video and see P222-3 of the textbook. We also looked at some equations for nuclear fission, and checked if the number of protons and neutrons was conserved. Homework No homework. Monday 12-10-2015 Test Classwork We did the test. Homework No homework. Thursday 08-10-2015 Deflection in fields, recap Classwork We made notes on deflection of alpha, beta and gamma in electric and magnetic fields. We also made brief notes on the use of gamma for medical tracers. We put some people in the hot seat and asked them questions from this topic. Homework Revise for test next lesson. Monday 28-09-2015 Carbon Dating Classwork We made notes on carbon dating. If you missed the lesson, watch this video. We did a quick example about a wooly mammoth, but we'll do more next lesson. Homework Revise for test. Thursday 01-10-2015 More half-life Classwork We worked out the half-life of protactinium-234 from the graph of our results from last lesson. We went over the HW. We made notes on the definition of half-life, defined 'activity', and contrasted activity with count rate. You did an activity with dice to model radioactive decay. Homework Each person in your pair should plot a graph of EITHER dice remaining against time, OR "activity" against time. BOTH of you should add a curve of best fit, and calculate the "half-life" of your dice. Hand your graphs in tomorrow morning before registration. Monday 28-09-2015 Half-life Classwork We did a starter question to practise half-life calculations. I did a demonstration (with some useful assistants) to show you the decay of an isotope of protactinium. The results are here (I removed the first minute or so as the layer was still separating out) - we will find the half-life at the start of next lesson. We also refreshed your Excel skills when collecting and processing the data to get the corrected count rate in counts per minute. Homework Answer the questions on P217 and hand in before registration tomorrow morning. Thursday 17-09-2015 Uses of alpha, beta, gamma Classwork We went through key uses in detail - alpha in smoke alarms, beta in paper manufacture, gamma in radiotherapy, sterilization and leak detection. Homework Watch this video and use P216-7 to make notes on half-life. Bring your notes to next lesson. Monday 21-09-2015 Background radiation Classwork We identified the deacy processes in a decay chain. We went through the HW, classifying sources of background radiation as natural or man-made. I'm trialling a web-based whiteboard - you can now see notes from lessons here. We'll see if it's any good... We started the questions on P213 and went through Q1. Homework Research one use each for alpha, beta and gamma radiation. Minimum half a side of A4, maximum 1 side of A4. You can include pictures. Hand in before registration tomorrow morning. Thursday 17-09-2015 Balancing Nuclear Equations Classwork We made notes on beta decay and gamma emission. We did lots of nuclear equations. Homework Watch and make notes on this video about background radiation. Use P210-211 of the textbook to help you. Have a look at this chart which compares the 'dose' of radiation you get from different things. Bring your notes to next lesson. Monday 14-09-2015 Alpha, beta and gamma radiation Classwork We checked over your notes on beta and gamma radiation. I demonstrated the penetrating power of alpha and beta radiation. We made some brief notes on measuring radiation and count rates. Homework Watch and make notes on this video about alpha decay. Bring your notes to next lesson, when we will do some questions and also do calculations for beta decay. Thursday 10-09-2015 Nuclear Radiation Classwork I checked your understanding of isotope notation (like U-238). I briefly explained how relative atomic mass is calculated, but you will do this in chemistry. We made notes on nuclear radiation, and the hazards of ionizing radiation. We made detailed notes on the properties of alpha radiation. Homework Add to your notes from the lesson with similar information about beta and gamma radiation (what they are made from, how ionising they are, etc etc). Use P214-215 of the textbook and watch this video about the penetrating ability of alpha, beta and gamma. NOTE - this guy is NOT demonstrating good practice in terms of radiation safety!!! Monday 07-09-2015 Ions Classwork We went through the HW. We made some short notes on ions, and did some examples of calculating the number of protons, neutrons and electrons in ions. If you missed the lesson, watch this video about ions. Homework Watch this video about isotopes and add to your notes from the last two lessons. Complete the next 4 rows of the table from last lesson, and hand in tomorrow morning.
Thursday 03-09-2015 Atomic Structure Classwork We went through basic expectations and when homework will be set, etc. I gave out folders. We made some notes on atomic structure. We completed the first five rows of the table on this worksheet. Homework Complete the 'Isotopes' side of the worksheet leaving out 3c). Hand in tomorrow morning before registration.