29 January 2022

Testing for oxygen

 Making and then testing for oxygen. Fun of relighting a glowing splint in oxygen. #Science #iteachchemistry



No comments:

Post a Comment

Seeing the Invisible – Electrons in a Cathode Ray Tube

Seeing the Invisible – Electrons in a Cathode Ray Tube Electrons… tiny, negatively charged particles that you can’t see, touch, or smell. Y...