This printable crossword puzzle on the topic of Rocks & Minerals has 11 clues. Answers range from 7 to 25 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The remnant or trace of an organism from the past
The study of Earth's formation and structure
States that the bottom layer of the sedimentary rock is older than the layer on top
is a method of sequencing events in the order they happened
states that a vein of rock that cuts across a rock’s layers is younger than the layers
Sometimes rock pieces are found inside another rock.
fossils can be used to identify the relative age of the layers of sedimentary rock
Fossils of widely distributed organisms that lived during only one short period
A place where an old, eroded rock surface is in contact with a newer rock layer.
An igneous rock layer formed when magma hardens beneath Earth’s surface.
An igneous rock layer formed when lava flows onto Earth’s surface and hardens