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Learn how to pierce a balloon without popping it.
Direct action pumps and suction pumps are among the simplest water pumps.
In this experiment, we use buoyancy to study the balance of two glasses of water.
How can this pendulum accurately measure time in seconds?
Observe what happens when making sounds with shorter and shorter pieces of the same straw.
Surface tension is the property of a liquid that allows it to obtain the smallest surface...
What is the speed of sound? What happens when an object exceeds the speed of sound?