When you hit a bell, sound waves bounce back and forth inside the metal which makes its surface vibrate.

Some types of clouds form over land, and waves can bounce off of a shore and travel out to sea.

Acoustic waves encountering material with a radically different speed of sound do not penetrate, but bounce back.

The waves were bouncing all over the place.

Domes would help the imam be heard, as the sound waves would bounce in and then out of the dome making the voice louder.

The dog-tail waves that followed bounced the Trident vigorously, but she took them with little trouble.

Translucent waves washed over it as the current bounced its body repeatedly against the hull, and still the eye remained fixed.

But by far the most fun is when you sweep your whole hand across and cause waves to bounce back and forth.

The gentle waves bounced and splashed in the pool.

So the waves bounce between the ground and the ionosphere and make their way around the planet.