sound waves cause air particles to vibrate back and forth; ripples cause water particles to vibrate up and down. A longitudinal wave is one in which the vibrations of the particles are parallel to ...

Most of us love a good splash in the waves at the beach. Whether we're swimming, bodyboarding, surfing, or simply watching the waves break over our feet, it's the definition of summer (or winter ...

sound waves cause air particles to vibrate back and forth ripples cause water particles to vibrate up and down Waves cause a disturbance of the medium through which they travel. This allows them ...

Bikers are in a club of their own even if they don't know each other and that club includes private waves. It's called the biker wave and it's pretty simple with four total. The wave with two ...