Topics from April 2020
- WHAT IS A CUSTOM CAR?
Posted by Keshav Jain on
- WHAT ARE THE MAIN SYSTEMS OF A CAR?
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- HOW DOES THE INTERNAL COMBUSTION ENGINE WORK?
Posted by Keshav Jain on
- WHICH WAS THE FIRST CAR?
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- WHAT WERE THE FIRST BOATS LIKE?
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- HOW DOES A YACHT TACK?
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- WHY ARE PORT AND STARBOARD SO CALLED?
Posted by Keshav Jain on
- WHAT IS A PERISCOPE?
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- HOW DOES A SUBMARINE SUBMERGE AND SURFACE?
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- ARE SHIPS STILL IMPORTANT NOW THAT AIR, ROAD AND RAIL TRAVEL ARE SO MUCH FASTER?
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- WHY DO SHIPS FLOAT?
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- HOW DOES A TELEPHONE WORK?
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- WHAT IS SEMAPHORE?
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- HOW DO COMMUNICATION SATELLITES WORK?
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- HOW HAVE MODERN COMMUNICATIONS CHANGED OUR LIVES?
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- HOW MUCH HAS THE SPEED OF COMMUNICATION INCREASED?
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- HAVE HUMAN BODIES CHANGED THROUGH THE CENTURIES?
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- WHAT IS THE DIFFERENCE BETWEEN VEINS AND ARTERIES?
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- HOW MUCH FOOD DO WE NEED?
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- HOW MANY MUSCLES DO WE HAVE?
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- WHAT ARE THE SYSTEMS OF THE HUMAN BODY?
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- HOW DOES THE BRAIN WORK?
Posted by Keshav Jain on