03:15 Physical Science The science of macaroni salad: What's in a molecule? Lesson duration 03:15 Manage Library 291,840 Views
03:57 Physical Science The science of macaroni salad: What's in a mixture? Lesson duration 03:57 Manage Library 574,109 Views
03:25 Physical Science What is chemical equilibrium? Lesson duration 03:25 Manage Library 862,984 Views
07:51 Physical Science Early forensics and crime-solving chemists Lesson duration 07:51 Manage Library 81,155 Views
03:52 Physical Science How polarity makes water behave strangely Lesson duration 03:52 Manage Library 1,025,438 Views
03:23 Physical Science Activation energy: Kickstarting chemical reactions Lesson duration 03:23 Manage Library 222,469 Views
04:19 Science & Technology Solving the puzzle of the periodic table Lesson duration 04:19 Manage Library 1,066,012 Views
04:16 Physical Science Radioactivity: Expect the unexpected Lesson duration 04:16 Manage Library 892,236 Views
04:25 Physical Science The genius of Mendeleev’s periodic table Lesson duration 04:25 Manage Library 2,908,191 Views
03:26 Physical Science Describing the invisible properties of gas Lesson duration 03:26 Manage Library 163,356 Views
02:50 Physical Science The ABC's of gas: Avogadro, Boyle, Charles Lesson duration 02:50 Manage Library 193,714 Views