Article
Nobel Media AB

The Nobel Prize: Niels Bohr Nobel Lecture: The Structure of the Atom

For Students 9th - 10th
At this site from the Nobel e-Museum you can download and read Niels Bohr's Nobel Lecture, "The structure of the atom" (available in pdf format).
Handout
Nobel Media AB

The Nobel Prize: Niels Bohr Biographical

For Students 9th - 10th
The Nobel Foundation provides this site about Niels Bohr's contributions to the world of physics, specifically his "investigation of the structure of atoms and of the radiation emanating from them." This biography includes information on...
Website
Other

Niels Bohr Library and Archives

For Students 9th - 10th
The Niels Bohr Library is dedicated to the history of physics and allied fields. It contains materials such as books, photos, and oral histories that document 19th and 20th century physics.
Article
Famous Scientists

Famous Scientists: Niels Bohr

For Students 9th - 10th
Learn about the life and discoveries scientist that completely changed our view of the atom, Niels Bohr in this article.
Handout
PBS

Pbs: People & Discoveries Niels Bohr

For Students 9th - 10th
A wonderful PBS biography of a great man. This contains many personal touches, yet does a fine job of describing Bohr's scientific work. But it's best at Bohr the man. Nice quotes, one in the middle, one at the end.
Website
Other

University of Copenhagen: The Niels Bohr Institute

For Students 9th - 10th
Home page for the Institute, which is part of a larger organization, the Niels Bohr Institute for Astronomy, Physics and Geophysics. Links to research, support groups, publications, seminars and events.
Handout
Simon Fraser University

Chem1 Virtual Textbook: The Bohr Atom

For Students 9th - 10th
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses Niels Bohr and his work with the atom. Topics covered in the discussion include the atom before Bohr, Bohr's...
Article
Famous Scientists

Famous Scientists: Aage Bohr

For Students 9th - 10th
Learn about the life of Aage Niels Bohr, and see how his work was pivotal in the development of the theory of the structure of the atomic nucleus.
Handout
Wikimedia

Wikipedia: Niels Bohr

For Students 9th - 10th
Discover the life and contributions of Niels Bohr.
eBook
Simon Fraser University

Chem1 Virtual Textbook: Bohr's Model

For Students 9th - 10th
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses Niels Bohr and his work with the atom. This part of the discussion, focusing on the model itself, brings up...
Interactive
Walter Fendt

Walter Fendt: Bohr's Theory of the Hydrogen Atom

For Students 9th - 10th
An explanation of Niels Bohr's (1885 - 1962 CE) Model along with an app that illustrates a hydrogen atom according to the particle or wave model. You can choose a principal quantum number "n." The right part of the graphic represents the...
Handout
University of St. Andrews (UK)

University of St. Andrews: Niels Henrik David Bohr

For Students 9th - 10th
This resource presents a biography of Bohr, including many personal tidbits, as well as a substantial treatment of his scientific work. Several interesting quotes by and about Bohr are included. It also links to several other sources.
Unit Plan
Boise State University

Boise State University: Atoms: A Virtual Field Trip Through Time and Space

For Students 9th - 10th
Learn about the models of the atom that have been proposed throughout history. Presents Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and the modern theory of the atom. Sections are accompanied by journal...
Unit Plan
CK-12 Foundation

Ck 12: Atomic Theory

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will explain the law of conservation of mass, the law of definite proportions, and the law of multiple proportions. They will also...
Unit Plan
CK-12 Foundation

Ck 12: Chemistry: Bohr's Atomic Model

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Explains the basic principles of the Bohr hydrogen atom.
eBook
Simon Fraser University

Chem1 Virtual Textbook: Bohr's Theory

For Students 9th - 10th
Acting as part of an overview on quantum theory, this section of the site answers the question, "How did Bohr's theory save the planetary model, for a while?" A section below also discusses the primary problems with Bohr's theory.
Graphic
Curated OER

Niels Bohr

For Students Pre-K - 1st
An image of Niels Bohr.
Unit Plan
Vision Learning

Visionlearning: Atomic Theory: Bohr and the Beginnings of Quantum Theory

For Students 9th - 10th
Description of the ideas and experimentation that led to quantum theory. Focus on electrically charged ions and isotopes.
Handout
Other

Siyavula Education: Everything Maths & Science: Models of the Atom

For Students 9th - 10th
Discusses models of the atom developed by John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and James Chadwick. Includes clear illustrations and a short comprehension exercise at the end.
PPT
Texas Education Agency

Texas Gateway: Atoms, Elements and the Periodic Table: The Atomic Model [Pdf]

For Students 9th - 10th
A slideshow looking at the contributions of scientists over time to our understanding of atomic theory. Looks at models of the atom developed by Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and James Chadwick, as...
Unit Plan
Other

Crocodile Clips: Absorb Chemistry: History of the Atom

For Students 9th - 10th
A tutorial that presents models of the atom proposed by John Dalton, J.J. Thomson, Ernest Rutherford, and Niels Bohr. Each is supported by an animated illustration. Includes comprehension questions and a quiz at the end.
PPT
Tom Richey

Slide Share: Atomic Models: Everything You Need to Know

For Students 8th
A detailed slideshow for Grade 8 students that looks at the history of our understanding of atoms. Looks at the ideas presented by Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, and Niels Bohr, and the modern-day wave model. A...
PPT
Tom Richey

Slide Share: Atomic Structure

For Students 9th - 10th
Slideshow looking at the history of models of the atom, including those proposed by John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, and James Chadwick. Discusses subatomic particles, including the numbers of protons, neutrons,...
Unit Plan
Concord Consortium

Concord Consortium: What Are Nature's Building Blocks?

For Students 9th - 10th
Activity 4 What are the electrons? This question is answered in the context of Niels Bohr's model and the probability model of atomic structure.