My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Earth week 10

name: ______________________________
Across
A plant or animal kept at least partly in its original form after death.
The study of the earth through rocks
Evidence of an activity of a living thing preserved as footprints, burrows,
The sum total of all the external conditions that may act upon an organism or community to influence its development or existence.
A group of similar organisms that are capable of breeding
The “planetary calendar” that spans the entire length of the earth’s history.
A group of rock strata that is identified by its fossil content.
An abundant element that is a basic building block in the cells of all living beings.
Wood that has been replaced by minerals
; an organic community and its physical environment.
The science of classification of organisms
Down
The decomposition of organic matter.
A scientist that studies ancient life through fossils.
Plants or animals found only as fossils or not at all; not found alive today.
Magma is forced to the surface due to pressure of gas and water vapor building up below the earth’s crust.
The study of fossils to show how living things evolved on the earth.
The theory that continents have moved in relation to one another.
Layers or beds of sedimentary rock.
Plants or animals that still exist; the opposite of extinct.
Scientists who study the physics of our changing earth or geology.
A scientist who studies rocks and minerals
Fossilized dung
Remains of past plants or animals found in the earth’s crust.
: A process that replaces living materials with minerals