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.



 

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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...