(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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how acidic or basic a substance is
pH
Free!
a stream that flows into a larger stream or lake
tributary
the largest estuary in the US
Chesapeake Bay
the cloudiness of the water
turbidity
tiny animals without backbones
macroinvertebrates
a ridge of land that separates one area from another
divide
amount of salt dissolved in water
salinity
nonliving
abiotic
a chemical used to kill harmful animals or plants
pesticide
the amount of oxygen in the water
dissolved oxygen
land that water flows across
watershed
transition zone between dry land and bodies of water
wetland
fresh and saltwater meet and are mixed by tides
estuary
