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Atoms, Nuclei, Photons

Radioactivity

Making a fish tank cloud chamber – a simple cheap way to make a cloud chamber to visualise the tracks of radioactive particles. (NCEA PHYS 2.2, 3.2)

 

 

Spectra

Hot Star Cool Star | Tīrama Tīrama Ngā Whetū
Black body radiation and the colour of stars.
NCEA PHYS 3.5

Star Scene Investigation | Te Tātari i Ngā Āhuatanga Whetū
Spectra of chemical elements and what stars are made of.
NCEA PHYS 3.5

Wave Particle duality and other weird properties of matter

Electron Diffraction
Diffraction rings are shown with an electron diffraction tube.
NCEA PHYS 3.5

Photoelectric Effect
The photoelectric effect illustrates the particle nature of light and gives an estimate of Planck’s Constant.

Thermoelectric Generator
A temperature difference causes an electric current to flow.

Crookes’ Radiometer
When lit by the sun, the radiometer vanes spin with the white side leading and the dark side trailing.