Do You Know
Questions & Answers on General Knowledge.
Why is the Parthenon famous?
The Parthenon was a temple to the Greek goddess Athena. It was built between 447 and 433 BC and still stands at the Acropolis in Athens. Its decorative sculptures made of white marble make it an example of the best Grecian architecture.
What were the first musical instruments?
How is powder coating done?
How can U.S. money be used to measure items around the house?
What exactly are gravity waves and how are they measured?
How do the different jet engines work on aircraft the turbojet, the turbofan, and the turboprop?
Why do I have to go to school?
Why are so many flowers brightly colored?
By firing neutrons into a nucleus to change an atom, can you make gold using other cheaper metals?
Are most seabirds white?
When a station transmits a signal, do all receiving antennae have the same reciprocal charge?
Why do virtual images often look far away?
Which substance, calcium chloride or sodium chloride, melts ice faster and why?
How does a steam heating system work?
What happens as we age?
Why is listening in on a private conversation called “eavesdropping”?
Why when you play baseball is it easier to hit a home run off a fast ball than off a slow ball?
Why do waves get "choppy" when it is windy outside (a lot of consecutive choppy-whitewash waves)?
On an X-ray result picture, why is the film in the background blue? Is this the only way it will show up? If so why?
Why does a spring want to come back to the original position it started at?
What is the Joshua tree?
How does a dehumidifier work?
What features of the fuel rods used in reactors prevent them from becoming explosive?
How many species of camels are there in the world?
Why do we say that something worthless is “for the birds”?
What is the Nobel Prize?
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