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Kealan Early's Chapter 12 Vocabulary Word Search

Z = blank space between words: Devon
Across
Sound Navigation and Ranging Technology based on echo
Steeply incline of continental margin
Wegener's hypothesis all continents were once all one continent, Greek for "all Earth"
Hypothesis states continents once single landmass, broke up, drifted to present location
Steep, long depression in deep sea floor runs parallel to chain of volcanic islands or continental slope
Long, undersea ocean chain that forms along major ocean floors
Down
Research vessel used to travel to deep ocean
A submerged mountain at least 1,000m high, volcanic origin
Gently sloping section between shoreline and slope
Process new oceanic lithosphere forms as magma rises and solidifies
Theory explains how Earth's outermost layer moves and changes shape
Large, flat, almost level area of deep ocean basin