## Blog postsSee all

- 2 May 22
#### School lever

With a long enough lever you can lift anything. Here I am trying to move millstone from the river by my house. I have moved it 2m in 2 days means it will be in out garden some time next year. The mechanical advantage is about 20 since the...

- 18 Apr 22
#### IA 2022

Actually the title should be 2023 since that is when this lot will do their exam, however I always get the IA done early so my first year students have just handed in their 1st draft. I have given feedback and they have 1 week to finish it...

- 9 Apr 22
#### Best fit curves in GeoGebra

Some of my students and I are having difficulty plotting curves in Loggerpro. There seems to be some bugs. Curve plotting is necessary in the IA when an equation can not be linearised, however it is important that the curve plotted is based...

- 6 Apr 22
#### Daily IA

I really like this one. I common with most excellent investigation it's a simple idea but it turns out complex. On the face of it it's a too simple. What is the relationship between the resistance and length of a conductor. But this conductor...

- 5 Apr 22
#### Daily IA

Adrianna is doing her investigation on a hot air balloon made from bin liners. The research question is "what is the relationship between the uward force eperienced by a hot air balloon and its temperature". It is quite difficult to Measure...

- 5 Apr 22
#### Daily IA

Clara is researching the amplitude of waves on a ripple tank. Actually she started measuring waves in the Fjord located (about 50 meters from my lab) but found it too impressice.The ripple tank is more calm but it's difficult to take measurements....

- 5 Apr 22
#### Daily IA

This is Aaro, he is from Finland so is naturally going to do his IA in the sauna, plotting isotherms for air at different temperatures. I'm not quite sure about the actual research question but something to do with gas at least.