14 March 2025

Rusting


 Three test tubes after a few weeks. The staple in water and air had all but rusted away, the one in air but no water was untouched, and the one with water and no air because of the oil had only a joint of rusting. The students had to explain why.

No comments:

Post a Comment

“She’s Clever.” “He’s Trouble.” Can a Label Change Someone’s Future?

  “She’s Clever.” “He’s Trouble.” Can a Label Change Someone’s Future? A label takes seconds to attach. Its consequences may last much longe...