Tuesday, 5 July 2022

Specific Heat Capacity with and without a Joulemeter



 


Specific Heat capacity can be determined using a Joulemeter or an Ammeter, Voltmeter and timer, but which is best for helping the students learn especially when some questions use volts amps and time.

Monday, 4 July 2022

Pocket lab G-force has Arrived


 The Pocketlab G-force car has arrived from across the Pond, so now we can start to make some videos using it. I was quite excited when I saw this on Kickstarter and order straight away. Now to charge it and use it.

Sunday, 3 July 2022

Making a glass spreader


 A job for a quiet Sunday. Making glass spreaders for bacterial colonies, ready to do some experiments about natural antiseptics found in common plants on the growth of bacteria. We will also look at the effectiveness of kitchen surface cleaners.

Saturday, 2 July 2022

Electromagnetic Braking


 Lenz's Law application - making an electromagnetic brake using a strong magnet and non-magnetic Aluminium

Friday, 1 July 2022

Analog Computing


How do analog computers compare to digital ones? Can students easily program them and get anything useful out? These computers are on the rise and need to be with  with our array of Macs, Windows, and Unix machines and the data gathering Physics sensors and phones.

Thursday, 30 June 2022

More Maths




With exams done for the year and internal exams over now is the time to create a stock more maths questions in similar styles and levels of difficulty as the exam questions for the students to practice on once they have done all the book questions

 

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

Levers and Weighting machines

  How much does this weigh? Exploring different tools for measurement: a lever arm balance, a Newton meter, and a set of scales with their w...