Chapter 2.1 (E-tund)

Helide maailm

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Chapter topics:

  1. Helide maailm
  2. 1. Helid meie ümber
  3. 2. Heli ja heliallikas
  4. 3. Kuulmine
  5. 4. Loominguline tegevus
  6. Lisamaterjal
  7. Tunni kirjeldus ja kodutöö

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