Do You Know
Questions & Answers on General Knowledge.
Is that a fountain of water coming out of the blowhole?
The whale opens its blowhole to breathe out stale air. When this air comes in contact with the colder air outside, the water vapour in the atmosphere condenses. This looks like a fountain or spout.
What is the cause of the power "drop" in my house, that will intermittently (every 5 to 10 minutes) cause my lights to dim?
Is all light other than lasers incoherent?
Why is a limited space called “close quarters”?
Did ancient Man believe in religion?
How does air pressure affect the distance a soccer ball can be kicked?
What is an analog clock? How do you attach it to batteries?
What is the difference between a chimaera and a shark?
What is polyester and how does it work insulating clothing?
How does a battery work? How many different kinds of batteries are there?
How big are amphibians?
Who coined the term Scientific Revolution?
How do rubber bouncing balls work? Does the table exert more force than is applied, causing an upward acceleration?
How do seeds become plants?
How did feminists come up with the expression “male chauvinist pig”?
How many people are there in the world?
How can I clean a dirty CD which has a very difficult to remove stain? Which materials are best for cleaning?
How do slot machines work?
Why do wolves howl?
Which mammal is the smelliest?
What is the dangerous part of electricity: charge, current, voltage, or what?
Can you get a tan from an ultraviolet light bulb?
Before you speak into the tape recorder, is the tape non-magnetic because half of the magnets face one way and half the other way?
Which plants grow in the rain forests?
What is reverse osmosis and how it is used in the process of purifying seawater for drinking water?
What happens when a speaker blows?
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