Electric fields

A problem for the students having to explain how electricity works by visualising the electric field around a wire and seeing and measuring the magnetic field using the @pascoscientific magnetic field probe. Are the fields the same but just looked at differently?

 

Tree Diagrams

 By far, the best way of teaching tree diagrams is with sweets. After the first round, if you have eaten a green sweet, how many left becomes easier when it is the mouth.

Specific Latent Heat of Vaporisation

Ready to perform the Specific Latent Heat of Vaporisation experiment. The older style immersion heaters were shorter, but my replacement one is too long and doesn't give accurate results.
 

Exploring the Brain

 Exploring the Brain in Year 11 Biology. Trying out some clever brain tricks to see how it works and how easily the Brain can be fooled.

Turing Tumble

 Using the turning Tumble for working out logic operations and solving problems then turning them into computer assembly code.

Lever Arm Balance

 Using a lever arm balance to work out moments - Immediate readout of the correct answer.

Testing for Gases

Testing for gases. A student came to me and asked what were the tests for gases. She had had a school lesson but hadn't done or seen a demo. We tested for oxygen, hydrogen, carbon dioxide and Chlorine. She now knows the tests.