Search for tag: "science (general)"

chem102-010-20170501-122001.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 19 plays 0  

chem102-010-20170417-122000.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 46 plays 0  

chem102-010-20170324-122000.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 49 plays 0  

chem102-010-20170208-122001.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 60 plays 0