Answers to Questions Kids Ask! - Where "Why?" Turns to "Wow!"
Born on this day
August 25, 20101918 - Leonard Bernstein
1917 - Mel Ferrer
1930 - Sir Sean Connery
1938 - Frederick Forsyth
1942 - Howard Jacobson
1947 - Ann Archer
1949 - Martin Amis
1954 - Elvis Costello
1956 - Matt Aitken
1961 - Billy Ray Cyrus
1970 - Claudia Schiffer
The basic principle of ballooning is simple: Warm air rises. If warm air is contained in a lightweight bag it will rise until the temperature of the air inside the bag matches the air outside. As the air cools, the bag starts to descend. These days touring balloons carry propane tanks (burners) in the basket or gondola to control heating the air. They are equipped with an instrument panel with a compass, altimeter, fuel gauge, and more. This makes modern balloon rides safe and comfortable, although the burner does get warm and rather loud at times.
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What is Air made out of?
Air is primarily made up of two elements, nitrogen and oxygen. Nitrogen makes up 78.05% of air and oxygen another 20.95%. The remaining less than 1% is primarily argon, but…
Why Do I Burp?
“Burp!” You cover your mouth with your hand, but it’s too late. The people at the next table in the food court already heard. As you turn back to your…
Why do you get goosebumps on your body but not on your face?
Goosebumps are caused by smooth muscle that pulls on your hair follicles, causing indentation. Then you get that characteristic raised-and-lowered looking skin. The pulling makes the hairs stand up. We…
Does warm milk really make you sleepy and if so, why?
There are a few reasons some people think warm milk helps you fall asleep. First off, milk contains tryptophan, the same ingredient that makes everyone sleepy after Thanksgiving dinner. In…
Why in some places, like the desert, is it very hot in the day and very cold at night?
This is because rocks (including sand) have low heat capacities (the amount of energy needed to raise their temperature). This means that they heat up easily during the day, and…