Monday, 6 June 2022

Making Vinegar

 Making vinegar from ethanol and an oxidising agent  Potassium dichromate. A great example of an exothermic reaction, and here just using hot water rather refluxing.



Saturday, 4 June 2022

The mortar and Pestle


It always feels like real chemistry when you have to get out the mortar and pestle and grind up something to do the experiment

Friday, 3 June 2022

Internal Energy

 


Trying to get over the idea of heat and internal energy in molecules. The students don't seem to grasp the idea of molecules in motion - but the desk is stationary!

Thursday, 2 June 2022

Physics Revision


 Working hard with the GCSE Physics revision. The students making sure they have covered all the material in detail

Wednesday, 1 June 2022

Pascals Vases

 

Pascals Vases. Something to get the students to think about. They nearly all got it wrong and were surprised at the results until all the equations came out.

Tuesday, 31 May 2022

Chiral molecules


 Students seem unconvinced about chiral molecules. Drawing them on paper they argue, but once they play with the @snatoms models they are more convinced, and once they see the rotation of D-glucose they are convinced they are mirror images of each other.

Doppler Rocket

Demonstrating the Doppler effect with the @pascoscientific Doppler Rocket: As the rocket moves away, students can hear the pitch drop (red s...