Do You Know
Questions & Answers on General Knowledge.
When did the USA get its Constitution?
The Constitution of the USA was adopted in March 1789.
How does an operational amplifier work?
Which is the largest crater on Mercury?
Did the Renaissance affect art?
If you use a heavier racket, will you be able to hit a badminton birdie farther?
Why is June the most popular month for weddings?
Can air have gravitational potential energy?
How does a roller coaster work?
How many eggs does A woman have?
What makes stainless steel stainless?
Why is there always snow on mountaintops, even if the weather in the valley is not cold?
How big are sharks?
What are geysers?
Why are seasons on Mars longer than on Earth?
Why, if someone isn’t up to the job, do we say he isn’t “worth his salt”?
Why does Earth look blue from outer space?
Do any mammals lay eggs?
What is an insect's body like?
Why were dancers in the thirties and forties called “jitterbugs”?
How can you make an electromagnet from a battery and copper wire?
Why do we call a bad dream a “nightmare”?
Which planet might float on water?
What are allergies?
If electricity lights a bulb, does it also light my torch?
Why, when someone has been fooled, do we say he’s had “the wool pulled over his eyes”?
How does an internal voltage regulator type auto alternator work and are they any better than an external regulator type?
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