Iodine in Cyclohexane

 A small crystal of Iodine in some water and a layer of cyclohexane above. A little shake and the gorgeous colour of Iodine is seen in the organic layer. This still has the wow effect.

Ticker Tape Timing

 

With all the wonders of electronic sensors sometimes using some basic equipment like ticker tape timers to look at acceleration and how the lengths of tape get longer in the same time period aids the understanding.

Infrared led

An invisible infrared led shines brightly when we take a photo of it for the Planks constant apparatus 

Biology Virus

 Its certainly easier teaching about viruses these days. The students know about them and how to stop them. They still struggle with how they get into cells and what they do there however

The Nylon Rope trick

 The nylon rope trick is one of my favourite experiments and also using @Snatoms to show the students what is going on at that oil water interface

Pasco and Lego

 Two of my favourites, Lego and @Pascoscientific and working together. Creating different types of carts for use with a motion sensor. Trying different wheels and wheel arrangements for different surfaces. Which is the most effective for different terrains

Probability

 Maths is having fun with the dice tower and 120 dice trying to see if more dice gives the 1/6 ratios, or whether 1200 dice was better. Conclusion we needed to go much bigger - very much bigger