This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 10 clues. Answers range from 5 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A dark rock with a fine texture
This soft layer is called
Measure of how much mass there is in a volume of a substance
The transfer of energy through space is called
This word means "all land"
A trace of an ancient organism that has been preserved in a rock
A device that bounces sound waves off underwater objects
An undersea mountain chain where new ocean floor is produced
a deep valley
A well-tested concept that explains a wide range of observations