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A compressed air pop-gun
Use a straight piece of glass or plastic tubing of 1 or 2 cm in diameter and 15 or 20 cm in length. Make a piston by twisting some string on a pencil till it fits strongly in the tube. Put a small cork in the finish of the tube and push the piston in quickly
FIRE HAZARDS IN THE LABORATORY : The average science laboratory is a particularly hazardous area when it comes to fire. Flammable liquids, compressed and liquefied gases, hazard
Define the term Bel Bel, the unit of measurement of sound, is named after Alexander Graham Bell; Bell was the inventor of the telephone, but for some curious reason, is spelt w
on my homework I have to create a super baby, and so I had to have a female super hero and male super hero. I then have to list traits, hair color, eye color and one power from bot
Frost in the classroom Frost can be made in the classroom by using a tall metal container like as a tin can. Pack the can with exchange layers of ice and salt, using about doub
Venus-the Clouded Planet Venus, our nearest planetary neighbour, only 40 million km away, has its surface hidden from view by a dense yellowish-white cloud, which extends to 80
Q.How are clouds formed? During day time, on being heated, a large amount of water evaporates from various water bodies and goes into the air. A part of this water vapour also r
Miscellaneous Dangerous Substances : This was introduced in the United Kingdom to identify other hazardous substances and consists of a black exclamation mark on a white backgroun
descibe the factors which decidethe broad area of scientific activity?
Q. What are the impacts of minimally processed foods? Impacts of minimally processed foods are: it maintains freshness and quality; convenient and ready-to-cook form products;
What is Synthesis of Specialized Products from Amino Acids In addition to serving as building blocks for proteins, amino acids are precursors of many nitrogen containing compou
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