This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 11 clues. Answers range from 5 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A cycle of heating, rising, cooling and sinking magma
The outermost shell of the Earth
A layer including the Earth's crust and upper mantle
A liquid layer of iron and nickel
A thick, mostly solid layer that is 85% of the total mass of the earth
Thicker, less dense crust
A semi-fluid layer of solid-liquid rock
Waves produced by earthquakes that help us study the inner layers of the earth
Thinner, denser crust
A large piece of Earth's crust that moves atop the mantle
A solid mass of iron and nickel