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1.Where does sound travel faster? water air 2. What type of organism makes up the oldest known fossil? 3.True or false- most of the dust in your home is made of human skin? 4. True or false – sterling silver is pure silver? 5.Can you lick your elbow? 6.In terms of attributed human deaths which are more dangerous; snakes, bees, sharks or house flies? 7. If you go into space, do you get taller? 8.What is the hardest substance in the human body? 9.What is trepanning? 10.Is Obsidian an igneous, sedimentary or metamorphic rock? 11. When and where was the abacus invented? 12. What does TCP/IP stand for? 13.What survives impacting Earth’s surface; a meteor, a meteorite or an asteroid?
14.What causes an Aurora?
15.your body’s temperature rises slightly during digestion? True False
