Looking at a vertical edge and a horizontal edge through the gap of two pencils to observe the diffraction on light. The pencils are straight but they look bent in places as the light is diffracted #iteachphysics
Wednesday, 16 March 2022
Tuesday, 15 March 2022
Looking at Oil and Water refracting a pencil
Looking at Oil and Water refracting a pencil and getting the students to work out the refractive indices. #iteachphysics
Monday, 14 March 2022
Vortex Mixer with food tests
I discovered that using the vortex mixer in doing food tests made a terrific difference, getting the food to dissolve in water to get much better test results.
Sunday, 13 March 2022
Saturday, 12 March 2022
Magnetic fields and wires
Using a plotting compass to detect the magnetic field around a wire. Many of the students think this is some sort of trick then we looked at the problems with mains and computer cables and interference
Friday, 11 March 2022
Flying Cake tins
A demonstration of Electrostatic charges repelling like charges caused by a Van de Graaff Generator. This causes the aluminium cake tins to fly away from each other and from the van de Graaff generator.
Ionic Bonds
Ionic bonds with dot and cross diagrams are hard to visualise. Using these card models made with a Scan n cut machine, the students seem to grasp the idea better. The real problem is to sort out a better Sulfate and Nitrate groups.
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Doppler Rocket
Demonstrating the Doppler effect with the @pascoscientific Doppler Rocket: As the rocket moves away, students can hear the pitch drop (red s...
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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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We went to the Bett Show a few weeks ago and there we saw a model of a Liver. It had been knitted so we thought we would have a go. After ...
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#Physics Taking wind speed readings using the PASCO scientific wireless weather station. Grabbing some monthly data on the weather in t...