Audaciousness
One of my first year students, Dan, is performing an investigation into the relationship between the amount of water in a wine glass and the frequency of sound it emits when stroked. He used Audacity...
Tesla girls
For the past week there has been a Tesla car parked in the car park next to my school. If I was going to buy an electric car then this is the car I'd buy, fast (very), long range and pretty. Unfortunately...
Private investigation
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Changing gravity
One of my first year students, Alex, is experimenting with rotating bodies of water for his investigation. This made an unexpected link to the topic my second year HL class have just been studying, general...
Soldier wave
Exactly!...
Restitution of a student
Today was the last class for my HL group. This year we finished the syllabus early (yesterday) so had time for some exam question practice. The last topic was relativity which I think they enjoyed. Maybe...
Hotting up towards the burning question
After preparing for this all year I was a bit disappointed with start IA but now things are hotting up. The idea that all students are walking round with interesting physics questions in their heads...
Googled classroom
Last week I started the IA process with my first year classes. We started with an introduction to the sort of thing that makes a good investigation and the difference between an investigation and a normal...
From 56 to 2
The other day I was experimenting with 56 perfectly elastic balls in a box but it took too long to measure the KE of each ball so I simplified it to 2. One of the balls has twice the mass of the other...
1024!
A collapsing star? Fusing nucleons? Neither, it's 1024 circles attracting each other in Algodoo. The circles are perfectly elastic so they can't get rid of the KE that they gain as they fall towards each...