1. What is the name given to molten rocks erupted by a volcano?   Firestone   Crater   Geyser   Lava   Hint Half-n-half Clue   2. The atom is made of   Protons, Neutrons and Electrons   Protons and Quarks   Positrons, Neutrons and Electrons   Neutrinos, Gamma Rays and Positrons   Half-n-half Clue   3. Who invented the miner's safety-lamp?   Sir Frank Whittle   Sir Humphrey Davy   Alexander Graham Bell   Thomas Alva Edison   Half-n-half Clue   4. The tail of a comet always points towards the Sun.   True   False   5. What is known as the universal solvent?   Hydrochloric Acid   Sulphuric Acid   Water   Aqua Regia   Half-n-half Clue   6. The science that deals with the study of sound is known as acoustics.   True   False   7. How many planets are there in our solar system?   8   9   10   12   Half-n-half Clue