May 24, 2024
![](http://centraldecatur.org/app/uploads/2021/09/sound-waves-800x0-c-default.png)
Fourth grade has been studying how sound travels. They have experimented with making sound travel through paper cup telephones and balloons. Their work allowed them to discover how sound can travel through different materials.
![four fourth graders experiment with sound waves and ballonns](http://centraldecatur.org/app/uploads/2021/09/IMG-1441-768x1024.jpg)
![five fourth graders experiment with sound through tubes](http://centraldecatur.org/app/uploads/2021/09/IMG-1443-768x1024.jpg)
Fourth grade has been studying how sound travels. They have experimented with making sound travel through paper cup telephones and balloons. Their work allowed them to discover how sound can travel through different materials.