Tuesday, 7 November 2023

When you go beyond the elastic limit

Springs in Series, Springs in Parallel and Hookes Law. Seeing what happens when we go above the limit of proportionality and then beyond the elastic limit to the UTS and the breaking point. It's a lot more fun than stretching a couple of wires for Young's Modulus.
 


Monday, 6 November 2023

Antibiotic desistance

Having created a bacterial lawn, adding antibiotic discs. Which antibiotic disc will kill the most bacteria, and what would happen if none of them worked like with MRSA?


 

Sunday, 5 November 2023

HTML Code Creation


 Dusting off an old copy of Dreamweaver on an old machine and creating webpages in Notepad++ to show students some of the <HTML> tags and let them create webpages the way I used to teach this 30 years ago!

Saturday, 4 November 2023

Simple Harmonic Motion Design an experiment

Given just a small amount of equipment, a few masses, blue-tack, a ruler, A G-clamp and a phone ( users own) design an experiment to work out the relationship between the length of the ruler and the mass and the rate of oscillation and dampening.



 

Friday, 3 November 2023

Making Ammonium Sulfate

 

Creating our own fertilizer from Ammonium Hydroxide and Sulfuric Acid by titration and using Blue Litmus to work out the endpoint, then crystalising the solution to make our fertilizer to test on some plants.




Thursday, 2 November 2023

Quick Electrics


"I have a test on electrics tomorrow and I can't remember a thing, can we go over all of A-level electrics in 1 hour." With some @MatrixTSL locktonics and @pascoscientific, we did it all.

Wednesday, 1 November 2023

Integration Tricks

Integration Tricks. If the top number in a fraction is the differential of the denominator then the quick trick of writing down ln|f(x)|+c makes the integration so much faster than using substitution or parts.

 

Doppler Rocket

Demonstrating the Doppler effect with the @pascoscientific Doppler Rocket: As the rocket moves away, students can hear the pitch drop (red s...