Unit Plan
CK-12 Foundation

Ck 12: The Nucleus and Isotopes

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about the particles in an atomic nucleus, isotopes, and nuclear forces.
Article
Khan Academy

Khan Academy: Mcat: Physical Processes: Atomic Nucleus: Decay Graphs and Half Lives Article

For Students 9th - 10th
Explains how scientists can tell when radiation has been leaked, how to read a decay graph, what we mean by a half-life, and what carbon dating is.
Handout
Upper Canada District School Board

Tom Stretton's Chemistry Pages: The Nucleus

For Students 9th - 10th
This online slide show presents the basic ideas behind the structure of the atomic nucleus.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Atomic Force

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] Atomic forces and how they interact with particles.
Article
Khan Academy

Khan Academy: Discovery of the Electron and Nucleus

For Students 9th - 10th
Learn about Thomson's cathode ray experiment and the plum pudding model and Rutherford's gold foil experiment.
Unit Plan
BBC

Bbc: Gcse Bitesize: Atomic Structure

For Students 9th - 10th
This lesson focuses on the structure of atoms. All substances are made from atoms. Each atom is made of a nucleus - containing protons and neutrons - surrounded by electrons. It provides a link to an assessment.
Handout
Royal Society of Chemistry

Periodic Landscapes: Atomic Radii

For Students 9th - 10th
This website provides a short but detailed definition of atomic radii. Also shows the atomic radius plotted against atomic number.
Handout
Wikimedia

Wikipedia: Atomic Radius

For Students 9th - 10th
This site from the encyclopedia Wikipedia provides a basic definition for what the atomic radius is, and an explanation of what covalent and metallic radii are.
Article
Lawrence Berkeley National Laboratory

Berkeley Lab: Sub Nucleonic Structure and the Modern Picture of a Nucleus

For Students 9th - 10th
A simple explanation of the structures theoretically found within protons and neutrons. The resource consists of pictures and links to additional resources.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Rutherford's Atomic Model

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] Rutherford's discovery of the nucleus and his planetary model of the atom.
Unit Plan
CK-12 Foundation

Ck 12: Chemistry: Gold Foil Experiment: Rutherford's Atomic Model

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This site explains Rutherford's discovery of the nucleus and the planetary model of the atom and the role of gold foil experiment in refining the atomic model. It...
Unit Plan
Georgia Department of Education

Ga Virtual Learning: Nuclear Physics

For Students 9th - 10th
Through informational text, interactive activities, and virtual animations students learn about the atomic nucleus, fission, fusion, and radioactive decay.
Handout
Atomic Archive

Atomic Archive: Nuclear Fusion

For Students 9th - 10th
From the Atomic Archive - the online companion to the award-winning CD-ROM. This page defines nuclear fusion and depicts the process by an informative diagram. Includes numerical values which describe the typical energy values for fusion...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Quantum Atomic Structure

For Teachers 9th - 10th
This multi-day lesson plan helps learners to understand how the models of the atom have changed and how quantum mechanics affects the electrons as they orbit the nucleus.
Handout
Wikimedia

Wikipedia: Atomic Number

For Students 9th - 10th
Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.
Unknown Type
Physics Aviary

Physics Aviary: Practice Problems: Binding Energy of a Nucleus

For Students 9th - 10th
Determine the binding energy per nucleon for a random isotope.
Activity
Other

Walter Fendt: Ley De La Desintegracion Radiactiva

For Students 9th - 10th
Learn how you can find the probability of survival but cannot predict the time of disintegration of an atomic nucleus with this simulation. This site is best viewed with Internet Explorer.
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.
Interactive
PBS

Pbs Learning Media: Atomic Structure

For Students 9th - 10th
Take a look at the parts of an atom and learn about its properties.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Proton Neutron Rotation and Nuclear Stability

For Teachers 9th - 10th
In this activity, learners will review and investigate the stability of the nucleus of various elements and determine factors that affect that stability. Students will get an understanding of why certain nuclei are unstable and what type...
Unit Plan
CK-12 Foundation

Ck 12: Nuclear Stability and Binding Energy

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how scientists study the properties of stable nuclei in order to draw generalizations about what makes a nucleus stable. They look at...
Interactive
CK-12 Foundation

Ck 12: Physics Simulation: Marie Curie's Classroom

For Students 9th - 10th
[Free Registration/Login Required] Study the basics of radioactive decay and the properties of atomic nuclei in Marie Curie's laboratory and classroom. A PDF worksheet and a video tutorial are also available. [3:32]
PPT
Sophia Learning

Sophia: Ernest Rutherford: Lesson 2

For Students 9th - 10th
This lesson explains Rutherford's gold foil experiment and the discovery of the nucleus. It is 2 of 3 in the series titled "Ernest Rutherford."
eBook
Simon Fraser University

Chem1 Virtual Textbook: What Is an Orbital?

For Students 9th - 10th
Acting as part of an overview on quantum theory, this section of the site deals with electrons and orbitals. In addition to explain what an orbital is, the site explains the movement of the electron in relation to the nucleus.

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