1. The three states of matter are solid, liquid and gas.   True   False   2. The three methods of science are observation, experimentation and _______.   measurement   deduction   hypothesis   inference   Hint Half-n-half Clue   3. A communicable disease can be passed on from one person to another.   True   False   4. Which of the following has an organic origin?   Sand   Bakelite   Coal   Nylon   Half-n-half Clue   5. Where is the Sea of Tranquility?   In the Atlantic Ocean   Near the Bermuda Triangle   On the Moon   In the Pacific Ocean   Half-n-half Clue   6. Who invented the miner's safety-lamp?   Sir Frank Whittle   Sir Humphrey Davy   Thomas Alva Edison   Alexander Graham Bell   Half-n-half Clue   7. The animal kingdom is formally classified into major groups known as   Sub Phyla   Families   Orders   Phyla   Half-n-half Clue