Networking. Dusting off some 25-year-old PowerPoint. The Network slides have stayed the same in that time.
Sunday 19 November 2023
Saturday 18 November 2023
Measuring the River Flow
Friday 17 November 2023
Iodine in water and cyclohexane
First, Iodine was dissolved in water and a little dissolved, changing the colour, but much of the iodine remained solid. Then it was shaken with cyclohexane, and immediately, the water layer went clear as the iodine dissolved in the cyclohexane. After a while, more iodine dissolved in the water, turning it brown again.
Thursday 16 November 2023
Protecting the sensor
We are doing some Simple Harmonic Motion experiments online with springs and masses over the @pascoscientific Ultrasonic sensor, so we are trying to keep it safe.
Wednesday 15 November 2023
Differentiation from First Principles
Trying to understand differentiation from first principles is one of the hardest things to learn. Giving the students these proofs and then letting them do one on their own shows whether they have grasped the concept.
Tuesday 14 November 2023
Calculation of Wavelength
Physics practical working out the wavelength of a laser going through a diffraction grating of 100 lines per mm. Managed to get 667nm, which was pretty close.
Monday 13 November 2023
Camera Quadrat
Fieldwork using the camera 1m Quadrat or using a .5m quadrat and taking a photo. Both were a very quick way of scanning the field and then using the computer in the classroom to analyse the photos and record the numbers of plant species.
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A level computing 12 Mark questions
Practice planning the 12-mark A-level computing questions. It is not just about getting the facts down but also about organizing them effect...
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Reactions with the different Alcohols to see the change in rate and water for comparison and why not to react with acids. An extra experime...