1. Water at room temperature is a   Liquid   Solid   Gas   Plasma   Hint Half-n-half Clue   2. Conversion of water into water vapor is known as   Vaporization   Boiling   Freezing   Condensation   Half-n-half Clue   3. The density of ice is greater than that of water.   True   False   4. Water exerts pressure on the walls and the bottom of the container in which it is placed.   True   False   5. What falls to the ground when clouds become too heavy?   Rain (Raindrops)   Lightning   Thunder   Mineral Salts   Half-n-half Clue   6. What is the boiling point of water?   0 oC   32 oC   50 oC   100 oC   Half-n-half Clue   7. What is formed when hydrogen burns in oxygen?   Water   Carbon Dioxide   Hydrogen Peroxide   Carbon Monoxide   Half-n-half Clue