Sound

When an object or substance vibrates, it produces sound. These vibrations travel through substances, like air, as waves.  This unit is all about how sound travels and how our ears allow us to hear it.

Task 1: Use look, cover, write check to learn the answers to the core questions and the keywords for this topic

Task 2a: Watch the video

Task 3a: Watch the video

Task 3c: Make notes that:

• Define wavelength and give the unit

• Define amplitude and give the unit

• Define frequency and give the unit

• Draw and label the following waves:

  • Loud and low pitch

  • Loud and high pitch

  • Quiet and low pitch

  • Quiet and high pitch

Task 4a: Read through the slides (96 to 129)

Task 5a: Read through the slides (141 to 163)

Task 5b: Make notes that:

• Define an ‘echo’

• Describe the features a room needs to have to maximise echoes

• Describe the features a room needs to have to minimise echoes

• Explain how echoes can be used.

• Give the equation that links distance, speed and time

Task 6a: Watch the videos 

Task 6b: Read through the slides (168 to 191)

Task 7a: Watch the video

Task 7c:  Make your own version of the mindmap below to sumarise this topic.  

Once you are done add it to your revision folder.