Sound

• Combustion


  The scientific term for burning fuels
• Exothermic


  The type of reaction when fuels are burned
• Limewater


  Turns cloudy when carbon dioxide is bubbled through it
• Products of complete combustion

  • Carbon dioxide
  • Water
• Incomplete combustion


  Happens when there isn't enough oxygen present
• Carbon monoxide


  Poisonous gas produced from incomplete combustion
• Temperature decreases


  The rate of a reaction slows down/decreases
• The mass of a neutron is 1
• Newton


  The unit for force
• Xylem


  Transports water in plants
• Transverse wave


  The type of wave that light is
• Longitudinal wave


  The type of wave that sound is
• Transverse waves


  Vibrate perpendicular to the direction of energy transfer
• Longitudinal waves


  Vibrate parallel to the direction of energy transfer
• Compression


  The areas of a longitudinal wave that are squashed up
• Rarefaction


  The areas of a longitudinal wave that are spread out
• Light travels faster than sound
• Animal cells do not have a cell wall
• Mitochondria


  Where respiration occurs in cells
• Halogens


  The name given to group 7 in the periodic table
• Jobs that use knowledge of sound


  • Audiologist
  • Singer
  • Radiologist
  • Music teacher
  • Builder
  • Theatre technician
• Light waves are emitted from luminous objects
• Light waves are caused by vibrations that are perpendicular to the direction of wave travel
• Transverse waves


  The type of wave that light is
• Mechanical waves


  Waves that transfer energy through matter, from particle to particle
• Mechanical waves are produced when matter is disturbed by an energy source
• Sound waves are a good example of a mechanical wave
• Sound waves


  Energy is transferred from a source to the air particles, causing them to vibrate and pass on the vibrations
• Sound waves are longitudinal waves
• Sound waves have compressions and rarefactions in the direction of energy transfer
• Transverse waves vibrate/oscillate at 90 degrees (perpendicular) to the direction that the wave travels
• Longitudinal waves vibrate/oscillate in the same direction (parallel) as the wave travels
• Waves transfer energy
• Transverse waves vibrate/oscillate at perpendicular to the direction that the wave travels
• Sound waves are an example of a longitudinal wave
• Light waves are an example of a transverse wave
• Perpendicular means at a right angle
• Longitudinal waves vibrate/oscillate parallel to the direction of energy transfer
• Light and sound waves are caused by vibrations
• Both light and sound waves transfer energy from one place to another