Experimenting with Sand
Today you will perform a set of experiments with granular media - sand.
Perform each experiment and make detailed notes.
- Pour the sand from one beaker to another. How does the sand flow? Is it the same way as a liquid? Slowly start tilting a beaker with sand. When does the sand start to flow? Is it always at the same angle of tilt?
- Pour the sand into a beaker. Notice the level of the sand. Next, tap the bottom of the beaker against the table several times. What did you observe? What happened to the level of the sand in the beaker?
- Put each of the four spheres (one at a time) at the bottom of the beaker and cover it with sand. Next, tap the bottom of the beaker against the table frequently. What do you see? What's different for the spheres of different diameter and material?