Have you lost your marbles?

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Sound surrounds us all the time. You may awaken in the morning to the sound of an alarm clock or Dad snoring. During the day you may hear the cacophony of auto traffic or the hustle and bustle of city life. But all sounds have one thing in common. They are formed by the movement…

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Look Ma’ – no hands – air pressure science experiment

Riding a bicycle with no hands on the handle bars

The pushing force of air is called air pressure. The closer you are to Earth, the greater the air pressure. The farther away from Earth (in other words the higher your altitude), the less the air pressure. And remember, pressure is coming from all around us. Here’s an experiment to demonstrate the pressure of air…

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