(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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copper & glass
copper & steel
materials
one changed, one measured, and rest stays the same
one thing that you measure/test
independent and dependent variables
at least 3 trials
time
steel & glass
independent variable
6 7
dependent variable
change at least 2 things
distance
one changed, two measured, and can change if you want