Saturday 23 April 2022
How the eye works
By changing the amount of water in this @pasco lens used in the demo eye model the students were able to use the same lens to create both concave and convex lenses and gain a better idea how the eye worked.
Friday 22 April 2022
Using chemix.org
Thursday 21 April 2022
Wednesday 20 April 2022
Sometimes we just need to get the pullies out in Maths.
Maths is largely an abstract subject, but sometimes when studying subjects like Mechanics, then it is necessary to get the pullies out to improve our understanding of the problem and then the quality of the learning increases dramatically.
Tuesday 19 April 2022
Rapid V/I Curves
Using @pascoscientific voltage-current sensor with the wireless airlink to create a very fast V/I straightline for a resistor and a not so straight line for a bulb.
Monday 18 April 2022
Food Tests
Students trying to remember
Benedict's Reducing Sugars
Biuret Proteins
Iodine Starch
Fats Alcohol and cold water
Sunday 17 April 2022
Goldleaf Electroscope
I really hadn't appreciated how hard it would be to get a gold-leaf electroscope working. The first model I had used dutch metal and I couldn't get it to work, but this model with real gold leaf did work eventually with me leaning how to attached the gold leaf properly. Putting the gold-leaf on is really quite difficult until you know how.
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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...