Wednesday 29 June 2022
Ore on a Stick
One of the easiest ways of extracting small amounts of ore - powdered rock on a stick. Works well with Malachite and Iron ore haematite. Copper sometimes get small balls 0.5mm and the iron get good iron filings
Tuesday 28 June 2022
Simulations
Sometimes there is no other way of explaining science than to use a simulation. Here I am using counters in make believe cells to show how infection can move through a population like the plague or Covid. The model also shows how herd immunity works.
Monday 27 June 2022
Code.Node
One of the best hybrid sensors I have come across the @Pascoscientific Code.Node is great for learning programming, can the programmed to do all types of things that ordinary sensors can't but programmed by me for science lesson can be invaluable.
Saturday 25 June 2022
Using a gas syringe
Repeating the rates experiment but this time using a gas syringe, so that the students can get experience of doing the same experiment in different ways and comparing them.
Friday 24 June 2022
Prisms and things
Investigating Prisms, rainbows, diffraction gratings, electromagnetic spectra and spectrometers. Mixing up the syllabus to make other connections. #iteachphysics
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TRS-80 Model 100
The TRS-80 Model 100 coming out for its annual outing, showing to the students a working laptop computer from 40 years ago.
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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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Mechanics: the grand meeting of Maths & Physics! Using strobe light & a ball drop for gravity-acceleration calculations and SUVAT fo...