09 February 2025

Inventory Metrics


 Learning all about inventory turnover metrics: turnover, carriage costs, order fill rate, average days to sell an inventory, the item fill rate, the cycle time and the return on the investment. And someone said this was trivial!

08 February 2025

Preparing the computers


 ​Prep work: Loading the Raspberry Pi's with a new copy of Linux, Apache, PHP, MariaDB, docker, and Phpmyadmin so we are ready to create websites and do all things server.

07 February 2025

Bond Angles


 ​I just taught an online lesson on bond angles across a period.  We explored how molecular shapes maximize distances between groups, why some molecules are bent instead of linear, and how trigonal bipyramidal structures have different bond angles. Fascinating stuff! #Chemistry

06 February 2025

Electrical experiments


 Just 10 minutes to recap the three electrical components ( resistor, bulb and diode) used to make the voltage vs. current graphs. Just as quick as drawing them using the @pascoscientific voltage current sensor and Capstone and three circuits made and experiments done in 10 minutes.

05 February 2025

A bit Dicey

 

Probability took a turn for the worse when the students had to work out the probability of throwing a number on different dice. They discovered that investigation was needed rather than making assumptions.

04 February 2025

Ball Bearings in freefall


Creating a strobe image of two ball bearings falling. One falls vertically and the other is propelled sideways. The camera used a flash on a strobe setting capturing an image every 1/15 of a second.

 

03 February 2025

All in a Heartbeat


 Taking an ECG on a student in A-Level Biology using the @pascocienctific ECG sensor. Using a digital stethoscope, the students could record and play back their heartbeat and tie this in with the ECG that they recorded.





Making and Using a Point Quadrat (The Easy PVC Version)

  Making and Using a Point Quadrat (The Easy PVC Version) Point quadrats are one of those bits of ecology kit that sound simple… but are su...