1. What is the name given to molten rocks that are erupted by a volcano?   Lava   Slate   Firestone   Marble   Hint Half-n-half Clue   2. Stalactites and stalagmites consist of deposits of   Magnesium Carbonate   Sodium Bicarbonate   Calcium Carbonate   Silica   Half-n-half Clue   3. What is caused by the slight tilt of the earths axis?   Day and Night   Seasons   Earthquakes   Tides   Half-n-half Clue   4. Gasoline is a non-renewable source of energy.   True   False   5. Which of the following is a main component of common glass?   Marble   Sand   Water   Powdered Mica   Half-n-half Clue   6. The length of the days and nights is equal at the   Tropic of Capricorn   North Pole   South Pole   Equator   Half-n-half Clue   7. What are metal bearing rocks called?   Ores   Metalloids   Bitumen   Slag   Half-n-half Clue