earth science

Accumulation of stones and other debris deposited by a glacier

Sedimentary rock formed in the sea by millions of small animals

Crack in the earth’s surface just below the crust, occurring where the earth’s plates shift

Earth’s layer of porous rock that can be tapped to produce wells for water even in arid areas

Bowl-shaped cavity at the summit of or on the side of a volcano

Underwater mountain with a flat top

Highest point of a wave

Shortest distance between 2 points on a globe

Area of shallow water enclosed by a circular coral reef

Stream of water that shoots from a pool of hot water deep within the earth

Smaller shock coming after the main shock of an earthquake

Mountain rising from the sea floor but not reaching the surface

Long channel between the crest of waves or the lowest point of a wave

Coral reef parallel to the shoreline but separated from it by a deep lagoon

Ringlike coral island consisting of a reef surrounding a lagoon

Layer of mudlike deposits covering the ocean bottom in deep waters

Tidal wave, or the kind of large wave often resulting from an earthquake

Branch of earth science dealing with the forces that shape the earth’s crust

Narrow strip of land that juts out into a body of water

Water that seeps through soil or rocks under the earth’s surface to supply wells and springs