This printable crossword puzzle on the topic of Rocks & Minerals has 30 clues. Answers range from 3 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the gradual movement of the continents across the earth's surface through geological time
sedimentary rock formed from decayed plant material also the world's most abundant fossil fuel
igneous rock feature formed when magma is squeezed into a vertical crack that cuts across rock layers and hardens underground
plastic like layer of earth on which the lithospheric plates float and move around compaction/ process that forms sedimentary rocks when layers of sediments are compressed by the weight of layers above them
vibrations produced when rocks break along a fault
solid in which the atoms are arranged in an orderly repeating pattern
point on earth's surface directly above an earthquake's focus.
area where many windmills use wind to generate electricity
renewable energy derived from burning organic materials such as wood and alcohol.
opening in earth's surface that erupts sulfurous gases ash and lava; can form at earth's plate boundaries where plates move apart or together and at hot spots.
beautiful rare highly prized mineral that can be worn in jewelry
surface along which rocks move when they pass their elastic limit and break
measure of how easily a mineral can be scratched
physical property of some minerals that causes them to break with uneven rough or jagged surfaces
liquid fossil fuel formed from marine organisms that is burned to obtain energy and use in the manufacture of plastics
break in rock caused by tension forces where rock above the fault surface moves down relative to the rock below the fault surface
conserving method in which old materials are processed to make old ones
alternative energy source that is based on atomic fusion
mixture of one or more minerals, rock fragments, volcanic glass, volcanic glass, organic matter, or other natural materials; can be igneous, metamorphic, or sedimentary.
seismic wave that moves rock particles up and down in a backward rolling motion and side to side in a swaying motion
Hess’s theory that new seafloor is formed when magma is forced upward toward the surface at a mid ocean-ridge
resources from which metals are obtained
wave generated by an earthquake
color of a mineral when it is in powdered form
occurs when wet soil acts more like a liquid during an earthquake
break in rock caused by shear forces where rocks move past each other without much vertical movement
hot melted rock material beneath earth's surface
describes the way a mineral reflects light from its surface also can be metallic or nonmetallic
rock formed when magma or lava cools and hardens
igneous rock feature formed when magma is squeezed into a horizontal crack between layers of rock and hardens underground