SOUND AND SURFACE

REFLECTION:THE BOUNCING  OF A SOUND WAVE OFF A SURFACE.

ABSORPTION:THE DISSAPERENCE OF A SOUND WAVE OFF A SURFACE.

ECHO:A REFLECTED SOUND WAVE.

ECHOLOCATION:THE FINDING OF AN OBJECT BY USIN REFLECTED SOUND.

DOPLER EFFECT:THE CHANGE IN FREQUENCY AS A SOURCE OF SOUND MOVE TOWARD OR AWAY FROM YOU.

QUALITY:THE DIFFERENT YOU HERT IN TWO SOUND OF THE SAME LOUDNESSAND PITCH.

FUNDAMENTAL FREQUENCY:THE LOWEST FREQUENCY AT WHICH AN OBJECT VIBRATES.

OVERTONE:ONE OF THE SERIES OF PITCHES THAT BLEND TO GIVE A SOUND ITS QUALITY.

INTRODUCTION :

REFLECTION IS THE BOUNCING OF A SOUND WAVE OFF A SURFACE IS CALLED REFLECTION.

CONCLUSION:

I LEARN IF A ECHOIS ATROG YOU WILL HEAR YOURSELF YELLING HELLOW.