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Posts tagged atmospheric pressure

May 16, 2013

 

Mount Everest across landscape

Air Pressure On Everest

Planning on climbing Mount Everest? You might want to plan to be gasping for air. Learn more on this Moment of Science.

March 9, 2012

 

a large group of balloons floating into the air

High Inflation

What happens to the balloon after it rises out of sight?

November 24, 2010

 

Many multi-colored drinking straws

How Do Drinking Straws Work?

How does a straw work? And would a straw work in space?

September 15, 2010

 

International space station

Would Suction Cups Work In Space?

You've watched astronauts complete dangerous missions on space walks. Couldn't they use suction cups and suction themselves to the ship?

December 17, 2009

 

cakemixhighaltitude250

Cake Mixes And High Altitude Directions

Why must bakers adjust their cake ingredients when they live at higher elevations?

December 20, 2005

 

Why Is Dry Ice Dry?

How does dry ice perform this disappearing act? Why is dry ice dry?

June 27, 2005

 

No Pressure

Some very adventurous people have used big suction cups to climb the fronts of glass buildings. However, they’d better not climb too high, because the higher you go, the less effective a suction cup will be. In space they’re no good at all! Learn more on this Moment of Science.

September 27, 2003

 

A Desk Trick

All you need for this trick is a twenty-five-cent piece and a small postage stamp. Put the stamp on the desk and hold the quarter horizontally about half an inch above the stamp. Now blow hard down onto the quarter.Now blow hard down onto the quarter.

September 27, 2003

 

The Mystery of the Backwards Balloon

The same thing happens to the air in the car. When the car stops the air keeps moving forward. This results in more air, or higher air pressure, in the front of the passenger compartment.

September 27, 2003

 

A woman blowing out her birthday candles and making a wish before enjoying the cake

A Candle Trick

Impress your friends with a cool candle trick: learn how to blow on a candle flame and make it come toward you rather than lean away or even go out.

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