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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 activity, learners investigate convection by using food coloring and water of different temperatures.

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

In this fun gardening activity, learners discover their soil type. There are three basic soil types: sand, silt, and clay.

Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

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.