Monday, 18 November 2024

Ultrasound to look for veins


 Studying circulation becomes a bit more interesting when an ultrasound machine is used to scan for a vein so a cannula can be inserted into an arm. We also learned why needles are put into veins rather than arteries.

Wednesday, 13 November 2024

Complex Cubic Root


Having some fun with math—solving a cubic equation with one real root and a pair of complex conjugate roots. Exploring the fascinating interplay between real and imaginary solutions! #MathFun #ComplexNumbers #CubicEquations

Tuesday, 12 November 2024

Fibre optics


The students are examining a fibre optic model to determine how total internal reflection works, how a signal can be sent down, and why monochromatic light is needed when messages are sent down the fibre.

Monday, 11 November 2024

Prep Roots for the Microscope

 

Preparing some root shoots for examining mitosis under the microscope—a long practical involves repeatedly dipping the roots alternatively in Acetic Alcohol, 60C Acid, and Iced water before macerating them and dying with Orcein Stain.

Sunday, 10 November 2024

Globalisation


A-Level sociology: How has globalization shaped our world? Does it bring us closer through integration and unity, or does it amplify differentiation and diversity?  #Globalization #WorldCulture #SocialImpact

Computer entry


 Paper Cards, Punched paper tape, cassette tape recorders, high-speed tape reels, 8-inch floppy disks, 51/4 floppy disks, 31/2 inch floppy disks, and flashing lights these are all the things that I have used in my lifetime to enter information into and use computer.

Friday, 8 November 2024

Moles

Why are Moles so hard to understand? I find that both A-Level and GCSE students have often failed to understand that although the mass and volumes are different, the substances have the same number of atoms.



 

Doppler Rocket

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