Save Status:
or to save your progress. The page will not refresh.
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Science Crossword

Teacher: Charlie
Scientists who study fossils
An extreme thin coating of carbon rock
An organism that no longer exists
Lava that hardens on the surface and forms igneous rock
Horizontal layers of sedimentary rock with oldest at the bottom and youngest at the top
A solid copy of the shape of an organism
A break in Earth's crust
The number of years that have passed since the rock has formed
Fossils that provide the activities of ancient organisms
A rock's age compared to the rocks around it
Fossils in which minerals replace all of an organism
A hollow area in sediment in the shape of an organism
A fossil that help scientists match rock layers
The preserved remains of traces of living things
A gap in the geologic record
The changing in living things over time
Magma cools and hardens into a mass of igneous rock