(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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What is diffraction grating.
What is blocked?
Free
What is a rainbow?
Free
What is the color red?
What is straight lines?
Free
What is refraction?
What is 45 degree angle?
What is FALSE?
What is reflected or absorbed?
What is the angle that light enters a surface is ALWAYS the same angle light will exit?