waves in air, fluids and solids

• what are the two types of waves

  transverse and longitudinal
• what is a transverse wave

  a wave in which the oscillations travel perpendicular to the direction of energy transfer
• what is a longitudinal wave

  a wave in which the oscillations travel parallel to the direction of the energy transfer
• name 2 examples of a transverse wave

  electromagnetic waves and seismic waves
• name an example of a longitudinal wave

  sound wave
• what are the two parts of a longitudinal wave called

  compressions and rarefactions
• what is a waves amplitude

  the maximum displacement of a point on a wave from it's undisturbed position
• what is wavelength

  the distance between the same point on two adjacent waves
• what is frequency

  the number of waves passing a point in a second
• what is frequency measured in

  Hz
• what is wave speed

  the speed at which waves transfer energy
• what is the equation for wave speed

  frequency x wave length
• what is the word for when a wave bounces of a surface

  reflection
• how do sound waves travel through a solid

  the particles in the solid vibrate and transfer kinetic energy through the material
• what is an ultrasound used for

  medical treatment
• what natural event causes seismic waves to be produced

  earthquakes
• what is the difference between the mediums p-waves and s-waves travel through

  p-waves can travel through solid and liquids but s-waves can only travel through solids
• what technique is used to detect objects in deep water and measure water depth

  echo sounding. high frequency waves are emitted, reflected and detected