science Quiz

Question Number 1 what is science A. Sciene is the intellectual an practical activity encompassing the systematic study of the structure an behavior of the physical and natural world trough observation and experiment Question Number 2 what is the scientific method? A. scientific method is the most common method used by scientist troughout their investigations Question Number 3 name a safety rule A. dont eat,play or drink in the lab B. do not enter the lab witout teacher permission C. open all windows in the lab uless told other wise Question Number 4 hazardous substances A. flammable-keep away from heat or naked light-petrol B. corrosive-aviod direct contact-alkali C. explosive-keep away from heat-mixture of hydrogen and air D. possonous-do not taste-mercury E. irritating-aviod inhailing vapour-alcohol F. radioative-follow all safety instructions-radioactive carbon Question Number 5 name 3 apparatus an their uses A. displacement can-for displacement so liquid can flow out its spout B. gas jar-for collecting gases C. evapourating dish-for evaporating liquid from a solution