A large open area (e.g., playground).
Stopwatch or timer..Find Location: Choose a location where an echo can be heard (e.g., near a wall or large building).
Make a Sound: Make a loud sound (e.g., shout or clap) and use the timer to measure how long it takes to hear the echo.
Record Times: Record the time it takes for the echo to return and compare with different distances.
Discussion: Discuss how sound waves travel and reflect to create echoes.