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

Modelling the expanding Universe


 Having a model of the Universe is handy

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.

Playing with magnets

 Playing with magnets. It doesn’t seem to matter the age, the students love playing with magnets.



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



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.