Home of real teaching & learning
  • Full support for teachers
  • Focus on critical thinking
  • Engaging classroom activities
  • Integrated student eBook
  • Assessed tasks / qBank
  • Practice exam questions
Find out more Download brochure

The InThinking Guarantee: Our sites are written by expert practitioners and not by AI

See our AI policy

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Don't miss out, find out!

C2 activity: Sound waves

Sound will be introduced as an example of a longitudinal wave, and you will investigate its wave nature. You will also derive the equations for the harmonic frequencies of standing waves in pipes - and measure the speed of sound. Topics: sound n2kLevels: SL/HLNumber of flashcards: 16 Doing this at home? The experiment Speed of sound uses just a drinking straw and the program Audacity so can easily be done at home....

Help