Instructor Picking Up Blue Foam Tube Inserting Into Test Tubes Scooping Powder Teaching Science 00:15

Name: Instructor picking up blue foam tube, inserting into test tubes, scooping powder, teaching science
Uploaded: 2026-06-12 08:12:24
Duration: 15 s
Channel: Wavebreak Media
Description: Instructor picking up blue foam tube, inserting into test tubes, scooping powder, teaching science