me
What were the words you said as the speaker?
2. What were the words you heard os o listener?
3. Were you able to hear each word correctly?
4. How did the sound reach you as a listener?
5. What does this activity tell us about sound?
When sound come in contact with different materials like walls or carpets
they are either be reflected or absorbed. Some materials reflect sound and
cause echoes, hard surface like flat concrete wolls are good at reflecting
sounds. The sound that is reflected or returned sound is what we call an
echo.​