a place where water is collected and kept for use when wanted
RESERVOIR
the coast or land adjacent to the sea, a large lake, or a river
Shore
a tract of low ground or of land between hills; a valley
Vale
a large mass of earth and rock, rising above the common level of the earth or adjacent land, but of no definite altitude
Mountain
a fast-moving river current, caused by a moderate descent
Rapids
a fall or perpendicular descent of the water of a river or stream: a cascade; a cataract
Waterfall
small fertile area in a desert, irrigated by natural springs or other source of fresh water
Oasis
Double points!
Semester 1
a flat-topped mountain with steep walls
Mesa
a large subterraneous arch through a hill
Tunnel
an opening in the surface of the earth or in a mountain from which smoke, flames, stones, lava, or other substances are ejected
volcano
a place where the water is shallow or of little depth; a sand bank or bar
Shoal
narrow ridge of fine particles of stone created by the current or tide
Sandbar
flat section of land higher than the surrounding area
Plateau
the altitudinal border above which trees do not grow
Timberline
a chain or range of rocks, lying at or near the surface of the water
Reef
Double the points!
Semester 1
an arm of the sea; a straight or narrow sea between 2 continents or between a continent and an isle
Channel
an area that drains into a river; the divide that leads streams of water in two opposite directions
large area of flat land
Plain
against the current
Upstream
Double the Points
Semester 1
the aperture or mouth of a volcano
Crater
the opening or entrance of a river, cave, pit, well, or den
Mouth
a small point of land running into the sea; a long narrow shoal extending from the shore into the sea
Spit
an extensive open plain or meadow; p plain destitute of trees
Savanna
Semester 1
a hollow place in the earth; subterraneous cavern; a den; may be natural or artificial
Cave
an eddy of water; a vortex or gulf where the water moves round in a circle
Whirlpool