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Crunch Time
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In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.
That Sinking Feeling
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In this quick activity, learners observe how salinity and temperature affect the density of water, to better understand the Great Ocean Conveyor.
Air Pressure
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In this experiment, learners use a blow dryer and water bottle to observe and record changes in air pressure caused by changes in temperature.