Do You Know
Questions & Answers on General Knowledge.
What are the uses of smell?
Smell is an important sense that our nose helps to detect. Smell helps us to examine the environment around us. Our nose continuously tests the air we breathe and alerts us accordingly. It warns us in case of potential dangers like smoke or poisonous gas or tells us about the presence of other people or objects. Most importantly smell serves as a recognition function. Each of us has a unique smell and often we recognize one another by smell. This is how even a new born baby recognizes his mother!
How do faults produce earthquakes?
What happens when a speaker blows?
When you transfer momentum between two objects, why is it that the change in total momentum is 0?
If the Moon is cold and dark, how does it give off light?
What led to the Renaissance?
Why do objects on earth accelerate downward at the same speed regardless of their mass?
What is the Great Red Spot?
How come the flashlight works when you switch the batteries but my walkman or gameboy doesn't?
What is a shockwave and a sonic boom?
What exactly is the different between momentum and inertia?
How do scientists measure the speed of light?
Why are some politicians called “lame ducks”?
Why does a fluorescent bulb sometimes appear blue, especially right before it burns out?
What are Roman numerals?
How did teenagers become a separate culture?
What is the difference between a metropolitan area, a city, and a megalopolis?
How does air pressure affect the distance a soccer ball can be kicked?
What is the surface of Mars like?
Lunar gravity is partly what causes oceanic currents. If we had more than one moon orbiting Earth, what [if anything], would happen to the oceans?
What are the main animals found in South America?
What are the two substances in a Lava Lamp, and why do they react the way they do?
Why, when getting serious, do we say, “Let’s get down to brass tacks”?
When was the first artificial satellite launched?
Do microwaves have no effect on gas?
When the falling ball bounced off the rising board, why did the ball go upward very quickly? Because of your frame of reference?
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