1. The shape of the earth is   Flat   Conical   Cubical   Spherical   Hint Half-n-half Clue   2. The earth rotates from   South to North   East to West   North to South   West to East   Half-n-half Clue   3. Natural hot water springs occurring in New Zealand, Italy and Iceland are known as   Hot Bubbles   Geysers   Fountains   Old Faithfuls   Half-n-half Clue   4. Greenhouse effect will lead to   Decrease in atmospheric pressure   An increase in Oxygen Production   An increase in the temperature   Greater rainfall   Half-n-half Clue   5. What is the name given to molten rocks that are erupted by a volcano?   Marble   Lava   Firestone   Slate   Half-n-half Clue   6. What are metal bearing rocks called?   Ores   Metalloids   Bitumen   Slag   Half-n-half Clue   7. Removal of the top layer of soil/rocks by wind, water is known as   Desalination   Corrosion   Detoxification   Erosion   Half-n-half Clue