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.

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Doppler Rocket

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