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Posts tagged water vapor

January 10, 2018

 

hot air balloon

Full of Hot Air?   

It's a gas! Air consists of nitrogen and oxygen and lots of empty space.

August 3, 2016

 

Remember to cool off your soup so it is safe to eat!

Soup’s Ready!

Why does blowing on hot soup help to cool it off? The answer is evaporation.

March 2, 2016

 

coffee grounds

Coffee: Global Warming Fighter

Used coffee grounds can be recycled to make air filters that remove methane, a powerful greenhouse gas, from the atmosphere.

November 25, 2015

 

salt shaker

Why Salt Clumps

Salt absorbs water vapor from surrounding air and sometimes partially liquifies and clumps together in the process.

July 30, 2014

 

A cloud can weigh tons.

Floating Clouds

Despite weighing tons, clouds seem to free-float in the air. How do the billowy marvels stay up in the sky?

January 27, 2014

 

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Warm Spells And Snow

It may sound paradoxical, but warm spells and flurries often go hand in hand.

May 25, 2012

 

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The Ocean’s Salt Shaker

If salts are constantly washing into rivers, lakes and oceans, why aren't inland lakes salty as well?

February 20, 2012

 

Have you tried the tea cup experiment at home?

Boiling Tea: Mystery Solved!

A listener wrote to A Moment of Science about a fascinating phenomenon she noticed when heating water for tea in a microwave oven...

November 4, 2010

 

Cooking Question: When Is Water Actually Boiling?

You are heating up water and see bubbles form on the bottom of the pan. Is the water considered to be boiling?

December 20, 2005

 

Chinook Crazy

Doesn't heat rise and aren't mountaintops often damp and cold? Learn more on this Moment of Science.

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