Uncovering Earths History Crossword

This printable crossword puzzle on the topic of Rocks & Minerals has 16 clues. Answers range from 4 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Description

Is the remains or evidence of plant or animal that lived long ago.
when an entire species dies out the become ___________?
they use clues to figure out how this breathtaking landscape came to be.
A large body of moving ice
bits of sand, mud, clay, and plant and animal remains
pressure on the bottom sediments squeezed out the water and helped bind the sediments into hard, solid ___________ ___________. (two words)
two million years ago when glaciers covered large areas of the planet. (two words)
possible explanations using evidence that has been collected
Another word for home
Hunted other animals
Were hunted by other animals
Crater that forms when the ground collapses.
A method to find out how old a fossils is using carbon-14. (two words)
the ____________ hypothesis states mammals were hunted until there were none left.
the ___________ hypothesis state mammals died out from a change in temperature.
The ______________ hypothesis states mammals became extinct because they got sick.

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