1. The length of the days and nights is equal at the   Equator   South Pole   North Pole   Tropic of Capricorn   Hint Half-n-half Clue   2. What is caused by the slight tilt of the earths axis?   Day and Night   Seasons   Tides   Earthquakes   Half-n-half Clue   3. Gasoline is a non-renewable source of energy.   True   False   4. Stalactites and stalagmites consist of deposits of   Silica   Magnesium Carbonate   Sodium Bicarbonate   Calcium Carbonate   Half-n-half Clue   5. Seismograph is the instrument used for recording earthquake shocks.   True   False   6. The center of the earth is known as the   Atmosphere   Hydrosphere   Crust   Core   Half-n-half Clue   7. The earth rotates from   East to West   West to East   South to North   North to South   Half-n-half Clue