This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 10 clues. Answers range from 5 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A layer of molten metal that surrounds the inner core
A way to find out were things are using sound that bounces off of objects
A process that continually adds new material to the ocean floor
The relatively soft layer of the upper mantle
Breaks in earth's crust where rocks have slipped past each other
A place where two plates slip past each other, moving in opposite directions
Forms along a divergent boundary
the theory created by Alfred Wegener
Heat transfer by the movement of currents within a fluid
Crust with the most density