Nobel Media AB
The Nobel Prize: James Chadwick Nobel Lecture: The Neutron and Its Properties
Download and read James Chadwick's Nobel Lecture, entitled "The neutron and its properties," which is available in pdf format.
Lawrence Berkeley National Laboratory
Berkeley Lab: Neutron Activation Analysis
A simple explanation of neutron activation of some natural elements in order to create a radioactive nucleus.
NASA
Nasa: Astronomy Picture of the Day: Virtual Trips to Black Holes. Neutron Stars
Learn more about black holes and neutron stars. View the MPEG video of a virtual trip into a black hole.
University of Cambridge
University of Cambridge: Physics: The Neutron
This site provides a great series on the neutron discovered by James Chadwick. Includes a seven-page series that covers what is inside the nucleus, the elusive neutron, beryllium radiation, Chadwick's discovery, neutrons from beryllium,...
CK-12 Foundation
Ck 12: Earth Science: Neutron Stars and Black Holes
[Free Registration/Login may be required to access all resource tools.] Explains the characteristics of neutron stars and black holes.
TED Talks
Ted: Ted Ed: The Life Cycle of a Neutron Star
David Lunney explores waht a neutron star is.
CK-12 Foundation
Ck 12: Physical Science: Neutrons
[Free Registration/Login may be required to access all resource tools.] Neutrons and how they cause different isotopes of an element, and the particles in neutrons.
CK-12 Foundation
Ck 12: Physical Science: Neutrons
[Free Registration/Login may be required to access all resource tools.] Neutrons and how they cause different isotopes of an element, and the particles in neutrons.
Science Struck
Science Struck: How to Find Protons, Neutrons and Electrons
Brief explanations of how to determine how many protons, neutrons, and electrons are in an element.
Other
A World of Particles: The Neutron
A World of Particles offers a history of the discovery of the neutron, an exclusive particle in an atom.
NASA
Nasa: Imagine the Universe: Neutron Stars and Pulsars
Discover what neutron stars and pulsars are and view pictures of them. Includes links to additional resources and lesson plans.
University of Illinois
University of Illinois: Stars and Constellations: Neutron Stars and Pulsars
This resource provides a brief description of the relationship between a neutron star and a pulsar. It details the pulsing rate and death of a pulsar.
Chem4kids
Chem4 Kids: Atoms: Neutrons
Students will find an explanation of the neutron particle located inside the atom's nucleus. Website also defines isotopes and the process of radioactive decay.
Other
Black Holes and Neutron Stars
Contains information about black holes and neutron stars: how they form, what they're like, and how we know they are there.
California State University
Csudh Project for Chemistry: Protons, Electrons, and Neutrons
This page is an exercise in relating the number of protons, electrons, and neutrons for an atom or monoatomic ion.
California State University
California State University: Proton, Electron, Neutron
An interesting and useful tool to practice recognition/calculation of atomic number, mass, and number of neutrons, electrons, etc. Can be used with all elements.
Other
American Institute of Physics: Where Does the Neutron Get Its Spin?
Describes two experiments on neutron spin. This is how physicists work.
Scholastic
Scholastic: Study Jams! Science: Matter: Atoms: Protons, Neutrons, Electrons
A video and a short quiz on the parts of an atom, the periodic table, and molecules.
Sophia Learning
Sophia: Subatomic Particles: The Neutron: Lesson 2
This lesson will explain that neutrons are particles in the nucleus that have no charge and a mass of one amu. It is 2 of 3 in the series titled "Subatomic Particles: The Neutron."
American Chemical Society
Middle School Chemistry: Protons, Neutrons, and Electrons
Investigate why a charged object is attracted or repelled by another charged object. Explore the concept that the attraction between positive protons and negative electrons holds an atom together.
Other
Nuclear Twin: The Discovery of the Proton and Neutron
Trace the history of the discovery of protons and neutrons in this informative site.
PBS
Pbs: Chadwick and the Neutron
PBS provides a brief overview regarding Chadwick's discovery of the neutron.
Science Education Resource Center at Carleton College
Serc: Proton Neutron Rotation and Nuclear Stability
In this activity, students 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...
American Chemical Society
Middle School Chemistry: Protons, Neutrons, and Electrons
Explore the particles that make up atoms: protons, electrons, and electrons.
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