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

Topic 4.3 Vocabulary Review

Across
Any living organism that spends its life at a size too tiny to be seen with the naked eye
A sedimentary rock formed from calcium carbonate
Fraction of sedimentary organic constituent of sedimentary rock that is insoluble in the usual organic solvents
Moss that grows only in wet acidic areas, such as bogs (two words)
Capture and storage of carbon dioxide by natural biological processes
Transformation of sediments into solid rock
Tiny animals found near the surface in aquatic environments
Gain of electrons
The transfer of an element from one pool to another
Down
Loss of electrons
Describes a soil consisting of mainly organic materials
Burning
Colorless, odorless flammable gaseous hydrocarbon that is a product of decomposition of organic matter and of the carbonization of coal
Hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals (two words)
Waste product of cellular respiration (two words)
A reserve of an element
Microscopic, plant-like organisms that are the base of the marine food web
A compound containing carbon-hydrogen bonds
An accumulation of partially decayed vegetation or organic matter
Element found in all organic compounds
Sedimentary deposit composed predominantly of carbon that is readily combustible