(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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reflection
light bounces off an object
light does not need this to travel
medium
when light reflects in all directions
scattering
first step in the EDP
ask
Limitation or restriction
Constraint
form of natural light
the sun
Shortest wave length
Violet
something that seperates white light into visible light
Prism
longest wave length
RED
creates a colorful shadow. Some light passes through
translucent