In this Chemical Mystery, a metal sphere is heated until it glows orange-hot, and then it is placed in some water. Watch what happens next:
Can you explain these results? If you have any ideas about what is going on, share them in the comments.
*The solution is now posted. Check it out!
For Laboratory Work: Please refer to the ACS Guidelines for Chemical Laboratory Safety in Secondary Schools (2016).
For Demonstrations: Please refer to the ACS Division of Chemical Education Safety Guidelines for Chemical Demonstrations.
Other Safety resources
RAMP: Recognize hazards; Assess the risks of hazards; Minimize the risks of hazards; Prepare for emergencies