Setting up and using a compound microscope. Although the students have used them many times, they forget how to focus away from the slide and struggle to set up the lighting properly
Sunday 24 July 2022
Saturday 23 July 2022
Calculating the acceleration due to Gravity
Calculating the acceleration due to Gravity online using the @Pascoscientific picket Fence and and the light gate in its stand. After 20 repeats we managed an average of 9.765, which I felt was quite good for doing this online - live in front of an audience telling me what to do.
Friday 22 July 2022
Young-Laplace Law
Thursday 21 July 2022
Photosynthesis
With the high temperatures and lots of sunlight, it seemed a good idea to look at photosynthesis. With the plants working well we got excellent results
Wednesday 20 July 2022
Staining Cells
Trying to see cells is difficult, so often we use stains to make parts of the cell stand out. Straining is not easy, you have to choose the right stain or stains and the preparation is important, so practice is important and an important part of learning.
Tuesday 19 July 2022
55.4 C Pavement temp
Looking at the temperature of the pavement outside the classroom, a Modest 55.4C at 11am today. Talking a dog for a walk will probably burn its feet.
Fun with Maths
Even with the A level students dressing up problems with a few pictures makes it more fun. Challenge to rescue the princess under European Union H&S ladder regulations (made up). Interesting the choice of princess names determines the want to rescue her.
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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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Negative feedback is a difficult concept to try and get over so I tried using a balance board and the @pascoscientific smart cart strapped...
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Getting a classic set of results for the titration of NaOH and HCl is not that difficult but it is nice when we can get students to this ...
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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...