Which of these are more dense in water? foam ball wood block oil rock

Rock is the most dense of the options listed.* **Foam ball:** Filled with air, making it less dense than water. It floats.* **Wood block:** Many types of wood are less dense than water and float. Some denser woods may sink.* **Oil:** Less dense than water. It floats on top.* **Rock:** Almost always denser than water. It sinks.