1. The earth rotates from   North to South   West to East   East to West   South to North   Hint Half-n-half Clue   2. What are metal bearing rocks called?   Metalloids   Ores   Slag   Bitumen   Half-n-half Clue   3. Coal is formed from   Organic Matter   Rocks   Lava   Soil   Half-n-half Clue   4. Removal of the top layer of soil/rocks by wind, water is known as   Corrosion   Desalination   Erosion   Detoxification   Half-n-half Clue   5. Greenhouse effect will lead to   An increase in Oxygen Production   An increase in the temperature   Greater rainfall   Decrease in atmospheric pressure   Half-n-half Clue   6. What is the name given to molten rocks that are erupted by a volcano?   Firestone   Marble   Slate   Lava   Half-n-half Clue   7. Solar Energy is a   Polluting Source of Energy   Renewable Source of Energy   Non Renewable Source of Energy   Very limited source of energy   Half-n-half Clue