WHAT HAPPENS WHEN A WAVE BOUNCES BACK AFTER HITTING A BARRIER

THE BENDING OF WAVES AS IT PASSES BETWEEN TWO SUBSTANCES

THE BENDING AROUND OR THROUGH BARRIERS

TWO OR MORE WAVES OVERLAPPING

WHEN ONE VIBRATING OBJECT CAUSE ANOTHER OBJECT TO VIBRATE

ALL WAVES INCLUDING WATER,SOUND, AND LIGHT CAN BE RELFLECTED

WHEN CREST OF A WAVE OVERLAPS ANOTHER CREST

WHEN THE CREST OF A WAVE OVERLAPS A TROUGH