AH Uncertainties

This is a presentation I gave on AH Uncertainties for the IoP. It was the end of term and that’s why I am nearly falling asleep. I had to update it as I had indeed taken the absolute and not fractional uncertainty in T to double for the uncertainty in T2.

First few video uploads

3 States of Matter

3 States of matter in one tube from Mrs Physics on Vimeo.

Thanks to Adam P for holding the camera as I did this demo. It shows so much Science in one large boiling tube! Convection, lack of conduction, state of matter, floating and sinking, density! Hope you like it.

The gauze is there only because the ice floats on the water and the ice needs to be at the bottom for the experiment to work.

The Photoelectric Effect