(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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Tell the difference btw opaque, transparent, translucent
Explain the difference btw convex & concave lenses
Define retina
Define wavelength
Explain the effect of density on the speed of sound
Explain what the purpose of a ripple tank is
Explain the relationship btw frequency & wavelength
Define refraction
Name 5 waves that are a part of the EM spectrum
Define rarefaction
Define interference
Explain the character-
istics of a longitudinal wave
Explain the difference between 2 types of interference
Define frequency
Explain the concept of resonance
Define refraction
Tell the character-
istics of a transverse wave
2 types of mechanical waves
Define
crest
Explain how a sound is produced
Explain the role of the eardrum and cochlea in hearing