Catalyst University
Kd, the Dissociation Constant: What is it?
Kd, the Dissociation Constant: What is it?
Curated Video
Dalton's Vision: The Birth of Atomic Theory
In 1803, John Dalton formulated his renowned theory of atoms. The principal tenets of his theory were as follows: ₷ Atoms were thought to be the smallest, hardest, densest, and indivisible particles of matter. Every element is made up of...
Visual Learning Systems
The Development of Atomic Theory
The video discusses the development of the atomic theory, starting with Democritus' belief that matter cannot be infinitely divided. It then highlights John Dalton's contributions in the early 1800s, where he observed weather activities...
Visual Learning Systems
Exploring the Building Blocks of Matter: the Modern Atomic Theory
Upon viewing the Exploring the Building Blocks of Matter video series, students will be able to do the following: Understand that the quest to better understand the building blocks of matter has transpired over the past several thousand...
TMW Media
Atomic Theory of Matter Part 1
This program covers part 1 of the very important topic of the atomic theory of matter. We discuss how atoms combine together to form new compounds. Students review the law of conservation of mass and how the mass of the substances at the...
TED Talks
Marilyn Waring: The unpaid work that GDP ignores -- and why it really counts
If you: do laundry, are (or have been) pregnant, tidy up, shop for your household or do similar labor, then by GDP standards, you're unproductive. In this visionary talk, economist Marilyn Waring seeks to correct the failures of this...
Curated Video
What Are The Different Atomic Models? Dalton, Rutherford, Bohr and Heisenberg Models Explained
Atomic Models: Centuries ago, people didn’t know exactly what was inside an atom, but they had some “ideas”. Around 400 BC, a Greek philosopher named Democritus came up with a theory that everything in the world was made of tiny...
Curated Video
GCSE Physics - Development of the model of the atom #31
This video covers: - Democritus - Atomic Theory - John Dalton - Solid spheres - JJ Thompson - Plumb Pudding model - Ernest Rutherford - Nuclear Model - Niels Bohr - Electron shells - James Chadwick - Neutrons General info: - Suitable for...
Curated Video
Using Properties of Operations: Rewriting Division as Multiplication
In this video, students are taught how to use the commutative property with division by rewriting division problems as multiplication by the reciprocal. The teacher explains the concept using various examples and emphasizes the...
Biography
John Dalton: First Scientist to Study Color Blindness | Biography
John Dalton was an English scientist from the 18th century, most famous for his work on atomic theory and color blindness. At one point in time, he was the most famous scientist in England, bringing color blindness to the attention of...
Higgsino Physics
Getting the idea - atomic physics
Early atomic physics - the development of the first ideas. The first ideas started with Democritus: atom is unsplittable. Then John Dalton Law of constant proportions. Avogadro: Molecular theory of gas laws. Prout's hydrogen weight...
Curated Video
GCSE Chemistry - History of the Model of the Atom #7
This video covers: - Democritus - Atomic Theory - John Dalton - Solid spheres - JJ Thomson - Plumb Pudding model - Ernest Rutherford - Nuclear Model - Niels Bohr - Electron shells - James Chadwick - Neutrons General info: - Suitable for...
Socratica
Chemistry and Physics: History of the Atom (Dalton, Thomson, Rutherford, and Bohr Models)
How do we know so much about the atom? Explore the evolution of the atomic model through a video from an informative chemistry lessons playlist. The narrator describes how our view of atoms and subatomic particles has changed from...
Sophia Learning
Sophia: John Dalton: Lesson 3
This lesson reviews Dalton's Atomic Theory and explains each of the points.. It is 3 of 3 in the series titled "John Dalton."
Sophia Learning
Sophia: Development of the Early Atomic Theory: Lesson 4
This lesson will briefly summarize the early history of the atomic theory including Democritus, John Dalton, JJ Thomson, and Ernest Rutherford.. It is 4 of 4 in the series titled "Development of the Early Atomic Theory."
Socratica Foundation
Socratica: History of the Atom (Dalton, Thomson, Rutherford, and Bohr Models)
Discusses the history of the atom in chronological order, covering the models postulated by John Dalton, J.J. Thomson, Earnest Rutherford, and Niels Bohr. Illustrations are presented for each model. [6:32]
Other
The Science Classroom: History of the Atom (Atomic Theory)
Looks at the history of models of the atom beginning with Democritus and ending with contemporary understanding of the atom. Covers all major models. [9:02]
Other
Vimeo: Matter and Atoms
Looks at the history of atomic theory and ideas about atomic models that have evolved over time. Covers models put forward by John Dalton, J.J. Thomson, Earnest Rutherford, Niels Bohr, and the work of Schrodinger and Heisenberg. Also...