A Moment of Science

Posts tagged heat

March 30, 2012

 

A colorful garden.

How Rocks Appear In Your Garden

Are rocks magically appearing in your garden? Find out where they're coming from on this Moment of Science.

March 13, 2012

 

geyser

What Is Geothermal Energy?

Geothermal is a green power source and doesn't add carbon to the atmosphere the way fossil fuels do.

January 31, 2012

 

open refrigerator

Why Refrigerators Hum

How does the gas coolant that just chilled your fridge make the coils warm? The secret's in the refrigerator's hum.

January 10, 2012

 

a hot air balloons flys past a snowy mountain

Hot Air: The Physics Of Rising Air

Learn more about the physics of hot air and why mountain tops are so cold.

September 1, 2011

 

open refrigerator

Heating Your Kitchen With Your Refrigerator

All the refrigerator does is move heat, or energy, from one place to another. As the food inside the refrigerator loses its heat and gets colder.

August 19, 2011

 

molten rock

What Is An Enhanced Geothermal System?

We need cleaner, more sustainable sources of energy, right?

April 8, 2011

 

candle_snuffer

Snuff: How Candle-Snuffers Work

Why doesn't the flame just continue to burn underneath the bell, no matter how flat you crush it? The answer is air.

March 22, 2011

 

a home thermostat

Inside Your Thermostat: How Two Pieces Of Metal Work Together

You may have looked at your thermostat and saw a piece of metal. Learn how the metal strip controls them temperature of your house.

March 4, 2011

 

a pile of hacky sacks

The Little Ball That Couldn’t

There are some balls that are specifically designed not to bounce. The question is, how do these so-called 'dead balls' not bounce?

July 7, 2010

 

mexican-jumping-beans

Why Do Mexican Jumping Beans Jump?

You may have held Mexican jumping beans as a child and wondered how they work. The answer may surprise you...

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