Once the soda was added students watched as the raisins seemingly danced up and down in the liquid. After a period of observation, Ms. Jeane asked students to write a conclusion on what they believe caused the phenomenon. Once conclusions were complete Ms. Jeane explained that tiny bubbles of CO2 were attaching to the raisins which would cause them to float. Once at the top, bubbles would begin to burst which would cause the raisin to sink.
Having had a visual representation of mass, volume, and density our Sixth-Grade scientists are ready to continue exploring and learning.