1) A tasteless and odourless chemical substance made of two hydrogen atoms and one oxygen atom a) Water b) Cordial c) Air d) Carbon dioxide 2) The change of state (of water) from a liquid to a gas caused by heating. a) Condensation b) Precipitation c) Transpiration d) Evaporation 3) Water vapor in the air gets cold and changes back into liquid, forming clouds a) Precipitation b) Condensation c) Respiration d) Evaporation 4) Any form of water that falls from clouds and reaches Earth's surface. a) Precipitation b) Evaporation c) Condensation d) Groundwater 5) Evaporation of water from the leaves of a plant a) Condensation b) Groundwater c) Transpiration d) Transportation 6) The process of water seeping through the soil a) Infiltration b) Condensation c) Respiration d) Precipitation 7) Water that flows over the Earth's surface rather than soaking into the ground. a) Evaporation b) Run-off c) Transpiration d) Precipitation 8) A substance able to be passed or soaked through (e.g. soil or rock.) a) Permeable b) Transpiration c) Evaporation d) Condensation 9) The level below which the ground is saturated with water. a) Ocean b) River c) Puddle d) Water table 10) A layer of gases surrounding Earth a) Atmosphere b) Hydrosphere c) Bioshpere d) Geosphere 11) The repeating movement of water between Earth's atmosphere and surface a) Circle of life b) Nitrogen cycle c) Water cycle d) Nutrient cycle 12) A chemical reaction in plants and animals that releases energy. Water vapour is lost directly to the atmosphere as a waste product. a) Condensation b) Respiration c) Precipitation d) Methane 13) water in its gas form a) Water vapour b) Clouds c) Rain d) Dust 14) Water in the ground a) Surface water b) Ocean c) Rain d) Groundwater 15) Fallen precipitation is gathered in bodies of water such as rivers, lakes, and oceans a) Condensation b) Collection c) Evaporation d) Groundwater

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