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Subject: Planetary Science

Science activity demonstrating the phenomenon of light scattering
Blue Sky

Discover why the sky is blue and the sunset is red.

Science activity investigating spectroscopy
CD Spectroscope

Turn an old CD into a spectroscope to analyze light.

Falling Feather

Prove to yourself that Galileo was right.

Science activity that demonstrates how geysers work
Geyser

Just spew it—build your own cyclic hot water fountain.

Science activity that demonstrates light scattering in the atmosphere
Glue-Stick Sunset

Why is the sky blue? That's a sticky question.

Science activity to investigate convection
Inverted Bottles

Watch the rise and fall of hot and cold fluids.

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Attribution: Exploratorium Teacher Institute