How hot is that

 

The infrared thermometer is possibly one of the most popular tools in the lab. The Students use it not just for the experiment s in hand but also at looking at the varying temperatures of everything in the lab.

Lego Gravity

 Measuring the acceleration due to gravity using a @lego brick. Pretty accurate and repeatable results. I like give students various alternate ways of doing the same experiment and it shows how things can be measured and achieved in different ways

Chemistry Revision

 For some reason a lot of my students wanted to do Chemistry revision yesterday. Covering all that chemistry in just a few minutes - Fun but frightening. #iteachchemistry

3D Magnetism

I suppose it is because magnetism is taught to younger children that they often don't realise that magnetic field are three dimensional and only when I get out these do they realise what and how magnetic fields are.

Moles and things

I never understand why it takes such a long time to introduce moles. The students seem to find it hard because many other alternatives are used to almost explain moles away, do why do we have to use grams per cubic litre?

Centripetal Force

Centripetal Force depends on the speed at which the object is rotated - its angular speed and the length of the string ( its radius) and its mass of course.

 

New Locktronics

To try and make practicals quicker and easier and more informative locktronics by @MatrixTSL seem to be the answer. I used them as a student many years ago and these things have well stood the test of time and are still great for my students.