1. The density of ice is greater than that of water.   True   False   2. Steam is the _______ form of water.   Gaseous   Solid   Liquid   Impure   Hint Half-n-half Clue   3. What is formed when hydrogen burns in oxygen?   Water   Carbon Dioxide   Hydrogen Peroxide   Carbon Monoxide   Half-n-half Clue   4. Conversion of water into water vapor is known as   Vaporization   Boiling   Freezing   Condensation   Half-n-half Clue   5. Earth is known as the blue planet because of the presence of   Water   Atmosphere   The continents   Sky   Half-n-half Clue   6. It is easy to make lather with hard water.   True   False   7. Most of the pure, drinkable water of the earth is in form of   Icebergs   Vapor and Clouds   Spring and River water   Water in the Oceans   Half-n-half Clue