(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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Horizon A
weather SLOW
wind and water weather a rock by friction
determines the type of soil that forms
water, wind, ice & gravity
rockslide breaks rock down on side of mountain
breakdown of rock by water, wind, ice, gravity, and living organisms
decaying organic material from plants and animals
wind picking up and depositing sand in the desert creates a
Horizon B
Horizon O
layer of rock beneath soil
mixture of weathered rock, water, air & humus
ice expands when freezing and breaks rock
Horizon R
iron in the rock reacts with water and oxygen to weaken the rock
Horizon C
plant roots
alteration and breakdown of rock by chemical reaction
water, wind, and ice dropping off sediment
weather FAST
water dissolves minerals in limestone and creates a cave
