03:37 Physical Science Ytterbium - Periodic Table of Videos Lesson duration 03:37 Manage Library 162,111 Views
02:47 Physical Science Osmium - Periodic Table of Videos Lesson duration 02:47 Manage Library 425,133 Views
01:44 Physical Science Actinium - Periodic Table of Videos Lesson duration 01:44 Manage Library 120,977 Views
03:08 Physical Science Francium - Periodic Table of Videos Lesson duration 03:08 Manage Library 803,050 Views
09:53 Physical Science Radon - Periodic Table of Videos Lesson duration 09:53 Manage Library 930,727 Views
00:35 Physical Science Astatine - Periodic Table of Videos Lesson duration 00:35 Manage Library 187,951 Views
01:12 Physical Science Thallium - Periodic Table of Videos Lesson duration 01:12 Manage Library 212,689 Views
09:24 Physical Science Ununseptium - Periodic Table of Videos Lesson duration 09:24 Manage Library 451,080 Views
02:50 Physical Science Ununoctium - Periodic Table of Videos Lesson duration 02:50 Manage Library 319,849 Views
07:26 Physical Science Flerovium (NEW ELEMENT!) - Periodic Table of Videos Lesson duration 07:26 Manage Library 426,410 Views
07:06 Physical Science Protactinium (new) - Periodic Table of Videos Lesson duration 07:06 Manage Library 412,339 Views
07:09 Physical Science Iridium - Periodic Table of Videos Lesson duration 07:09 Manage Library 1,034,926 Views
00:24 Physical Science Berkelium - Periodic Table of Videos Lesson duration 00:24 Manage Library 152,393 Views
01:58 Physical Science Ununtrium - Periodic Table of Videos Lesson duration 01:58 Manage Library 109,286 Views
07:41 Physical Science Americium - Periodic Table of Videos Lesson duration 07:41 Manage Library 643,466 Views
00:33 Physical Science Thorium - Periodic Table of Videos Lesson duration 00:33 Manage Library 112,206 Views
05:14 Science & Technology How to fossilize...yourself Lesson duration 05:14 Manage Library 953,394 Views
03:25 Physical Science The deadly irony of gunpowder Lesson duration 03:25 Manage Library 3,054,098 Views
03:48 Physical Science The strengths and weaknesses of acids and bases Lesson duration 03:48 Manage Library 1,022,870 Views
03:56 Physical Science Why does ice float in water? Lesson duration 03:56 Manage Library 1,831,887 Views