This printable crossword puzzle on the topic of Rocks & Minerals has 15 clues. Answers range from 4 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
This rock was formed from molten magma
This rock is made from compaction and cementation
This rock is formed from heat and pressure
How a mineral reflects light
The color of the mineral in powdered form
A mineral's ability to resist being scratched
The hardest mineral
The softest mineral
Solid, inorganic substances that occur naturally in the top most layer of the Earth
Thinnest type of crust
Solid nickel and iron
liquid nickel and iron
Partially melted rock
Heat traveling through space via waves
Transfer of heat through currents