Mystery of Matter
Mysteries of the Periodic Table, Part 2: The Rare Earths
Seeing is believing, but seeing is difficult when identifying elements by their subatomic particles. Learners take a trip through history to identify the rare earth elements to learn the struggle of separating the very similar elements....
Mystery of Matter
Mysteries of the Periodic Table, Part 1: A Reflection of the Atom
Properties of atoms are no small thing. A thorough video lesson describes properties of atoms and how they relate to the makeup of the periodic table. Learners review the relationship between subatomic particles and discover the...
Mystery of Matter
Into the Atom, Part 4: The Atom Splits
Scientific discord is part of the road to new discoveries. Scholars learn how scientists challenge each other to prove and explain their conclusions in the final lesson of the four-part series Into the Atom. The video lesson explains the...
Mystery of Matter
Into the Atom, Part 3: Numbering the Elements
Amazing scientific discoveries do not require fancy equipment. An interesting video lesson describes the process historical scientists used to identify the order of elements based on X-ray spectra. Learners discover the complex studies...
Mystery of Matter
Into the Atom, Part 2: The Atom’s First Pieces
Could electrons really be as small as the numbers suggest? This is the hurdle for the initial study of electrical properties of elements. Learners view a video to follow the history of the science that led to the discovery of the parts...
Mystery of Matter
Into the Atom, Part 1: Atoms Have Parts
Finally mysteries are revealed! A thorough lesson shows how the scientific method helps to solve mysteries of now common elements. Young scientists watch the video presentation to gain a thorough understanding of how Madam Curie...
Mystery of Matter
Mysteries of the Periodic Table, Part 5: Isotopes
Idiosyncrasies caused by isotopes baffled scientists for more than half a century. Learners examine a thorough review of the historical discovery of isotopes in the fifth and final video in the series Mysteries of the Periodic Table....
Mystery of Matter
Mysteries of the Periodic Table, Part 4: The Noble Gases
Standoffish or loners? You decide! The discovery of noble gas elements confused scientists since they didn't seem to fit the accepted model at the time. Learners discover how scientists adjusted the model to fit the new discovery in the...
Mystery of Matter
Mysteries of the Periodic Table, Part 3: Beyond Uranium
Manmade elements are still elements and have their place in the periodic table. A video lesson explains the history of the discovery and creation of elements beyond uranium in the periodic table. The interesting video includes a thorough...