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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. #iteachbiology

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

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.

Investigating Prisms, rainbows, diffraction gratings, electromagnetic spectra and spectrometers. Mixing up the syllabus to make other connections. #iteachphysics

Putting a pin in a piece of wood so the density can be measured. It came out at 0.92 g/cm3 with no wet fingers.

Looking at the rates of reaction of vinegar and chalk. The hardest problem to solve is how to get a full measuring cylinder of water with no air bubbles. Clingfilm is the answer and works really well.

Chair, boat, cis trans, E-Z confuses the students until they get hold of the models and can create the different forms and see that they are different. Doing this quickly is difficult with some system but with the @snatoms it is simplicity itself.

Looking at rates of reaction, particle size. And the best bit of the experiment was crushing the large bits of chalk and making it into a powder.