1) What is the largest body of water on Earth? a) Lake b) Ocean 2) What do we call water falling from clouds? a) Rain b) Vapour 3) What do we call a large natural stream of water? a) River b) Ocean 4) What is the process called when water changes from a liquid to a gas? a) Condensation b) Evaporation 5) What is the name for water that has frozen into a solid? a) Ice b) Steam 6) What do we call the water that comes out of a shower at home? a) Salt water b) Tap water 7) What is a small body of still water called? a) Pond b) Stream 8) What do we call it when water soaks into the ground? a) Absorption b) Evaporation 9) We get groundwater through __________. a) Handpump b) Waterfall 10) What is the process called when water vapour turns back into liquid water? a) Condensation b) Freezing 11) What covers most of Earth's surface? a) Land b) Water 12) What do we call a very large lake? a) Sea b) Pond 13) What do we call water that falls as frozen crystals? a) Rain b) Snow 14) What do plants need to grow besides sunlight? a) Water b) Salt 15) What do we call a place where water flows over a steep drop? a) Waterfall b) River 16) What is the process called when ice turns into liquid water? a) Melting b) Evaporation 17) What do we call the water cycle process when water falls from clouds? a) Evaporation b) Precipitation 18) What do we need to drink every day to stay healthy? a) Water b) Soda 19) Water becomes impure and dirty when........... a) When people throw rubbish into the ponds, lakes or rivers; b) Use shower for a long time. 20) We can kill the germs of water by boiling it for ______ minutes. a) 5 minute b) 20 minutes

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