(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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Litmus paper
Blue to purple
Neutral
Hydrogen ions
Indicates the strength of an acid or base with different colours
Universal Indicator
Base
Ammonia
Acid
Lemon juice
Egg white
pH 7
Cabbage
Neutralization
a neutral substance with a universal indicator
Green
Baking soda
Vinegar
Soda
an acid on litmus paper
Red
a base on litmus paper
Blue
pH8-pH14
Tomato
Tastes bitter
Milk
Soap
Bleach
Tastes Sour
pH1-pH6
Acid rain
used to show how strong or weak acids & bases are
pH scale