Do You Know
Questions & Answers on General Knowledge.
What do A.M. and P.M. stand for?
The initials A.M. stand for ante meridian, which is Latin for "before noon." The initials P.M. stand for post meridian, which is Latin for "after noon."
How do batteries go dead if you are only sending current through them?
What is the difference between real images and virtual images?
What do whales use their tails for?
What is the force produced when two cars crash?
Why are some people blind?
What is climate change, and how does it differ from global warming?
What is the difference between current and voltage?
How did the word curfew come to mean “stay in your homes”?
Why do tropical rain forests grow so many plants?
Are fangs important to snakes?
What is a raptor's gizzard?
Why do we cross our fingers when wishing for luck?
What causes a magnifying glass within a ray of sun to burn such a small, specific spot? Is it the shape of the glass?
In a siphon, what makes water flow from one container to the other without a pump?
What is unique about fennecs?
How does an air pump work and how does the air pocket in a Nike Air or Reebok pump shoe keep its form?
Why do the front brakes of a bike provide more braking power than the rear brakes, assuming both are applied with equal pressure?
Why is the Statue of Liberty such an important symbol of the United States?
Why do we call a leg injury a “charley horse”?
I don't understand the horizontal component of a ball thrown downfield. Does it have constant velocity and/or acceleration, even at the start?
Are the Europe's forests full of animals?
Is the Sahara the only desert in Africa?
Are soap, booger, and earwax really jellybean flavors?
Is it possible for a skydiver who jumps second from a plane to put himself in an aerodynamic position and overtake a person who jumped first?
How can glass be shattered with sound?
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