If you make a hole in the middle of a straw
Let's take a look!
What type of experiment is this?
Experimental procedure and explanation:
- If you make a hole in the middle of a straw, what happens to the liquid inside it (ink was used to make it easier to see)?
Choose the answer from the following three.
① All the fluid flows out
② Liquid above the hole flows out
③ Liquid below the hole flows out
|[Keywords]||Depth and pressure, surface tension|
|[Related items]||Scoop liquid with a straw, Plastic Bottle with Holes|
|[Reference]||The Wonders of Flow,” Japan Society of Mechanical Engineering, Kodansha Blue Backs, P38-41.
“Illustrated Fluid Dynamics Trivia,” by Ryozo Ishiwata, Natsume Publishing, P18-19.