1. What is the name given to molten rocks erupted by a volcano?   Firestone   Geyser   Lava   Crater   Hint Half-n-half Clue   2. Which planet is known as the Red Planet?   Mercury   Earth   Mars   Jupiter   Half-n-half Clue   3. Which gas in the atmosphere protects us from harmful ultraviolet radiations?   Ozone   Oxygen   Nitrogen   Carbon Dioxide   Half-n-half Clue   4. Who discovered the circulation of blood?   William Harvey   Hargobind Khorana   Louis Pasteur   Edward Jenner   Half-n-half Clue   5. Who invented the miner's safety-lamp?   Sir Frank Whittle   Alexander Graham Bell   Sir Humphrey Davy   Thomas Alva Edison   Half-n-half Clue   6. Who wrote the book "The Origin of Species"?   Charles Darwin   Sir Alexander Fleming   Stephen Hawking   Louis Pasteur   Half-n-half Clue   7. The three methods of science are observation, experimentation and _______.   inference   hypothesis   deduction   measurement   Half-n-half Clue