Relier Pairs Earth's Water Vocabulary MatchVersion en ligne Match the words from our book Earth's Water. par Beth Prather 1 precipitation 2 liquid 3 gas 4 evaporation 5 polluted 6 condensation 7 solid 8 invisable water that falls to the ground such as, hail, sleet, rain or snow unable to be seen made dirty or harmful water vapor (water in its gas form) turns into liquid. You may see this change on the outside of a cold glass cup, the warm side of windows, and in the clouds up in the air. able to flow and change shape while keeping its size. matter that can freely change shape and size; often it can't be seen. When liquid changes to a gas (i.e. boiling water changes to steam on the stove) having a firm or hard form or shape