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In this activity, learners explore Boyle's Law and discover that water will boil at room temperature if its pressure is lowered.

In this weather-related activity, learners make a portable cloud in a bottle.

In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle.

This Exploratorium activity can be used in many contexts because geysers are great opportunities for learning about heat and temperature changes as well as geological/space science phenomena.

This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake.