In this Activity, students predict whether a given bowling ball will float or sink in tap water.
In this Activity, students investigate the physical properties of different balls that may look similar, but have very differ
In this Activity, students explore buoyancy with helium-filled Mylar balloons.
In this Activity, students use a commercial cement mix to produce concrete.
In this Activity, students marble paper with shaving cream and food color while exploring water, polarity, and hydrophilic an
In this Activity, students assemble a Cartesian diver and observe the effects of changing the pressure and temperature.
In this Activity, students test two chemical deicers, rock salt (sodium chloride) and calcium chloride, to determine which me
A paper square rubbed with graphite on one side is placed at the interface between two immiscible liquids, hexane and water.
The vapor pressures of methanol and ethanol are compared using barometers to show the effect of molecular size on vapor pressure.