Crossword Puzzle Our PlanetOnline version Refresh your vocabulary by Patricia Villacorta-Melendreras 1 sudden movement of the ground 2 a sudden, quick movement of earth or rock down hill or mountain 3 prediction based on observation 4 a period where there is no rain 5 a period when there isn't enough food 6 a large amount of water covering the land 7 high piece of land 6 4 2 7 5