- Science
- Sound
- Edad 13-17
-
level: 8
- English
Instrucciones del autor
Measuring sound, intensity, loudness, decibels, frequency.
Instrucciones del autor
Measuring sound, intensity, loudness, decibels, frequency.
level: 8
Measuring sound, intensity, loudness, decibels, frequency.
Measuring sound, intensity, loudness, decibels, frequency.