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.

SCIENCE

Across
Be 4
Li 3
The breaking down of rocks and other materials on the Earth's surface.
A thin layer of gases surrounding Earth
Microscopic organisms that float and drift in the ocean waters are called
a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.
A fossil formed when most of the materials making up an organism break down, leaving only carbon
a fossil in which minerals replace all or part of an organism
rock that forms when melted rock cools and hardens
A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions.
The movement of deep, cold, and nutrient-rich water to the surface
Down
Molten rock beneath the earth's surface
H1
fossils that are used to define and identify geologic time periods
a plant , animal or other organism is perfectly preserved for many of years
Preserved remains of once-living organisms
formed when an object is placed into soft mud and is removed by decomposition or physical sources
photosynthetic algae found near the surface of the ocean
WATER
He 2