15 AMAZING AND INTERESTING FACTS ABOUT SCIENCE. 1. Diamonds are the hardest substance In the world. 2. Fingerprints serve a function - they provide traction for the fingers to grasp things. 3. Sound waves travel the slowest through gases, faster through liquids, and fastest through solids. Temperature also affects the speed of sound. 4. Sound travels through air at 331 meters per second (about 740 mph). But, at 20ºC, room temperature, sound travels at 343 meters per second (767 mph). 5. The speed of an aircraft is measured by Anemometer 6. The waste products are expelled as urine at the rate of about 1.4 litres (2.5 pints) a day. Examinations, Datesheets & results INFO of kashmir students By SAHIB IMRAN 7. Lightning does not always create thunder. In April 1885, five lightning bolts struck the Washington Monument during a thunderstorm, yet no thunder was heard. 8. Organic materials take 6 months to break down. 9. A light-sensitive compound used in photography is Silver bromide. 10. The remains of diatoms, algae with hard shells, are used in making pet litter, cosmetics, pool filters and tooth polish. 11. Proteins are made of Amino acids. 12. Depending upon the amount of salt in the water, sea water freezes at about 28 degrees F. 13. Talc is the softest of minerals. It is commonly used to make talcum powder. 14. Milk in its natural form has a certain amount of sugar. This sugar is called Lactose. More Facts Join ► Examinations, Datesheets & results INFO of kashmir students By SAHIB IMRAN Dont Forget To Hit Like And Share.
Posted on: Fri, 09 Jan 2015 06:53:27 +0000
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