This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 10 clues. Answers range from 4 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the solid, dense center of the earth
the layer of the earth between the crust and the core
the "middle sphere," the strong lower part of the mantle
a piece of the lithosphere that moves around
the thin, outer layer of the Earth
the central, spherical part of the Earth
the outermost, rigid layer of the Earth that consists of the crust and the upper mantle
the liquid layer of the Earth's core
the soft layer of the mantle
earthquake waves