Energy

See evidence of invisible cosmic rays with Cloud Chamber.

Powder inside a fluorescent tube makes invisible light visible.

Power these appliances with your feet!

Which wheel rolls downhill the fastest?

Linked pendulums can get one another going.

Wispy lines show the path of tiny, high-energy particles generated by cosmic rays.

Make a simple battery that will light an LED.

Build a rubber-band-powered rolling plastic water bottle.

Plunge into hydraulics with a pair of dueling syringes.

Explore energy transformations by rolling a marble on a track.

See how SFGreasecycle turns grease into fuel for the city's buses.

The energy released in earthquakes ranges over many orders of magnitude.

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