1) What phase change occurs in evaporation? a) solid to gas b) gas to liquid c) liquid to gas 2) What phase change occurs in condensation? a) gas to liquid b) solid to liquid c) gas to solid 3) What is precipitation? a) water from the ground b) water from the clouds c) water from trees and plants 4) What is run off? a) When liquid flows across the surface of the land and into nearby creeks, streams, or ponds b) Rain water c) Water in rivers, oceans, and lakes 5) What is water collection? a) When oceans overflow b) When water collects c) When people collect 6) Which image shows evaporation? a) b) c) 7) Which image shows condensation? a) b) c) 8) Which image shows precipitation? a) b) c) 9) Which is NOT a form of precipitation? a) rain b) fog c) snow 10) What is the word for a scientist who studies issues related to water? a) meteorologist b) waterologist c) hydrologist 11) What is the word for a person who studies and predicts weather and precipitation? a) meteorologist b) waterologist c) hydrologist 12) Which is NOT an example of evaporation? a) b) c) 13) Which is NOT an example of condensation? a) b) c) 14) Why is it called the water cycle? a) Because it never repeats b) Because it has water c) Because it repeats over and over 15) What powers the water cycle? a) the rain b) the wind c) the sun 16) What force causes precipitation to fall? a) gravity b) the moon c) friction 17) Where is most of Earth's water? a) rivers and lakes b) oceans c) clouds 18) What could happen when it rains on polluted land? a) The rain cleans it b) The animals clean it c) The pollution can end up in rivers 19) Which is NOT a good way to conserve water? a) never take a bath or shower b) turn off the water when not in use c) use a rain barrel to water plants 20) Select ALL of the things that pollute our water. a) rain b) litter c) run off from fields 21) What two collections of water do we use for drinking, bathing, cleaning, etc? a) wells b) reservoirs c) oceans 22) Which is the opposite of evaporation? a) Precipitation b) Condensation c) Reservoir 23) Which is the opposite of condensation? a) well b) precipitation c) evaporation

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