lunes, 13 de mayo de 2019

SCIENCE: LIGHT and SOUND

LIGHT
https://www.youtube.com/watch?v=d7yTlp4gBTI
SOME EXPERIMENTS
https://www.youtube.com/watch?v=ydfeJQ2cWv0
https://www.youtube.com/watch?v=ydfeJQ2cWv0


SOUND

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