Monday, 30 October 2023

Osmosis and Visking Tubing.



 Osmosis and Visking Tubing. It took overnight to run but we managed to get the water to enter the bag fill it full and push the level up the tubing. An hour in the lab was not enough.

Sunday, 29 October 2023

Design and Patents act


 Attempting to make Copyright, Designs and Patents more exciting. Learning about what they can do without breaking copyright laws.

Saturday, 28 October 2023

Calipers


 Ask a student to measure something, and then they will grab a ruler. But sometimes we need to be more accurate, and in comes the Vernier or Digital Calipers, something many have never met before.

Friday, 27 October 2023

Steam generator


 Using a steam generator to heat up a syringe to 100C then injecting a known volume of a volatile substance to see it turn to gas. t takes quite a long time to get everything to 100C but the results are worth it.

Thursday, 26 October 2023

Resonance Driver Experiment


 We measured the spring and weight moving up and down using @pascoscientific sensors and Capstone. Then we set up a resonance driver and the students had to predict the driver frequencies.



Wednesday, 25 October 2023

How a slide Rule works


 What are logarithms, how do they work, and why do we use them.? Students learnt that I lived in a time BC (Before Calculators), why I needed a slide rule, and how it worked using two rulers working as a number line. We also looked at log tables. Rather Frightening.

Tuesday, 24 October 2023

Resonance 2


 How different lengths of metal vibrate at different frequencies and relating this to the driving frequency. Prediction is the next critical stage. Can these be predicted - Yes!

Doppler Rocket

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