The SUN
1. How does the sun give this much of energy?
2. Why is the sun seen in different colours ?
3. Why doesn’t this earth fall down?
4. Why poles are in North and South directions only?
5. What is Atlantis ?
6. What is artificial moon?
7. Does sun die?
LIGHT
8. Why we cannot see the shadow of a plane?
9. How can a doctor operate a patient bending on the body?
10. Let the glass be of any colour, its powder is white ?
11. Why the sky is blue>
12. If we cross our atmosphere, what will be the colour of the sky?
The sun is out side but how the interior of a house has light?
How can you measure 10,000 degrees Centigrade?
ELECTRICITY AND ELECTRONICS
What is the difference between electricity and electronics ?
Why is that there are many strands in one wire only one strand in another wire?
When we touch phase with neutral the fuse is blown out, why?
Why do we need towers for mobile communication?
What is the use of a satellite?
A running fan rotates in anti-clockwise direction. Why?
What is the use of Lightening conductor?
Why doesn’t x-ray reflect ?
Why do we do modulation ?
If more appliances are switched on the fuse blows out. Why?
Why there is a mesh under heavy current lines?
BIOLOGY
If man evolved from ape, then who evolve from man?
There are some parts in our body which are called vestigial parts. Why?
How ditto twins or non-ditto twins are born?
What do you mean by computer Adam?
ATOM
There are protons in a nucleus. They are all positively charged. Like poles repel each other. How can atom exist?
How can a compass show North and South directions ?
Why an aero plane that flies straight goes round the Earth?
HEAT
Why can’t we make pakodies in boiling water?
Why doesn’t candle burn in a slanting way?
Why doesn’t a candle burn horizontally?
Why do we shiver in winter?
How can a sweater keep us warm?
SPACEWhy can’t we write with a fountain pen in space?
Are we alone in this universe?
Are there Extra Terrestrial beings?
What is “time reversal theory” ?
What is sky lab?
What is theory of relativity?
What is special theory of relativity?
WATER
A ship floats but a stone sinks, why?
Why does petrol float on water ?
Let the bottom of water be in any shape, the surface remains flat, Why?
Why don’t we sink in ocean water?
Why dew drops glitter?
If there are more forests, more rain. Why ?
Why there are low pressures in Bay of Bengal only?
What is acid rain?
Why are the rain clouds black?
Why sea water is salty?
How types of water are there?
In a well why doesn’t the oozing water overflow?
How can you know the depth of the sea?
MAGNETS
If you are on North pole itself, then what direction will the compass show?
What is difference between true north and magnetic north? What is use of gyroscope?
When you come down in a giant wheel, you get fear. Why? What is the cause of magnetism?
Why the Earth is a magnet?
How many types of water are there?
How can the scientists know directions on Antarctica?
ADDITIONAL
Why do infants cry after birth?
How can mosquitoes locate blood?
How do crickets chirp ?
How do astronauts breathe in space?
Why do lips become dry during winter?
What do you mean by cold blooded animals?
Why there are so many blood groups?
Do animals have blood groups?
Why can’t mosquito bite generate HIV?
How can we measure star distances?
How can the tea remain hot in a flask?
Why does an electric shock cause death?
How does RADAR function?
How does SONAR function?
What is fluorescent light?
What is star war?
What is biological warfare? ICE
In cold countries, how can the municipalities supply water through pipes?
In cold countries, roads are covered with snow, then how can a driver drive his vehicle?
What is the difference between snow and ice?
Why there is ice on the Himalayas?
How can skaters skate on the ice?
How can our body be protected from cold by woolen garment?
OUR BODY
If we eat chicken fry our stomach digests. The stomach is also made up of flesh. Why can’t it digest itself?
If we take insulin injection orally what will happen?
What is sympathy death?
MODERN TECHNOLOGY
What are floating cities?
What are floating plants?
HEAT
How can you cook food faster in a pressure cooker? Can you create burning ice?
Why can’t we cook food on Everest?
Why there are no rains in Ladak?
On a hot glass or bulb if we sprinkle water it breaks. Why?
How can a camel walk in hot desert?
How is it that camel can stay for days without water?
Can you put off fire with fire?
SOUND
Why can’t we listen ants chitchatting?
How can bats fly in the night?
WAR
How can a submarine dive?
How can a plane land on a ship?
How can you know the depth of a sea?
How can we know an enemy’s aircraft?
How can you identify whether it is a submarine or a whale?
How can you identify the distance of the enemy’s aircraft?
What is star war?
MECHANICS
When a top rotates it does not fall. Why?
Why a satellite does not fall on the ground?
When brakes are applied to a moving bus, the passengers fall forward. Why ?
When a top rotates it stands erect and rotates. Why?
What is electronic warfare?
What is Chemical warfare?
What are super computers?
Why a hot glass does break when water drops fall on it? Why is Sri Hari Kota selected for rocket launching?
If petrol is dropped on water rainbow colours appear. Why? How can we know that so and so elements are in sun?
How can we measure the weight of Earth?
What do you mean by Air Force I?
What do you mean by “Kalapani”?
Why can’t we travel very very fast on earth?
Why should we brush our teeth in the morning when animals do not?
If a round ruler is given how can you make out its bottom side and top side?
COMPUTERS
How does data get transferred through Bluetooth?
What are A, B drives?
i3, i5, i7 ?
32 BIT, 64 BIT?
What is computer Adam?
What is computer Eve?
What is super computer?
Why so many languages?
MYSTERIES
What are UFOs?
What is Bermuda Triangle?
How different authors could predict virgin birth?
What are Wireless dead areas?
Though many men do fighting in life, only some become great. Why?
Whatever is dried in the hot sun can sprout again. But at the same temperature if we fry the seed and plant it won’t sprout. Why?
How could those primitives lift 2,00,000 stones to build a pyramid?
RELIGION
Why vinayaka is brought onto the road?
Sabarimala lamp?
Raaparthi seva?
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