Wikimedia
Wikipedia: Materia
Explore the concept of matter in this Spanish-language encyclopedia entry. This site features the properties of matter, the Law of Conservation of Matter, and other important features of matter.
Other
National Research Council: Elementary Particle Physics
The Committee on Elementary-Particle Physics, part of the U.S. National Research Council, presents this massive report on particle physics. It's a definitive document. Surprisingly readable, totally detailed. Start with the Table of...
Science Struck
Science Struck: How Does Radioactive Decay Work?
Explains the processes of radioactive decay in primary and secondary modes.
Chem4kids
Chem4 Kids: Atoms Are Building Blocks
Identify the basic structure of atoms, the building blocks for all matter.
New York University
New York University: Law of Conservation of Energy
Site presents a straightforward presentation of Rutherford's work concerning the Law of Energy Conservation. Provides an adequate summary of early science on the nucleus, and includes much needed illustrations.
Sophia Learning
Sophia: Subatomic Particles: Lesson 3
This lesson will introduce the subatomic particles and explain where they are located and how they interact. It is 3 of 7 in the series titled "Subatomic Particles."
Sophia Learning
Sophia: Subatomic Particles: Lesson 4
This lesson will introduce the subatomic particles and explain where they are located and how they interact. It is 4 of 7 in the series titled "Subatomic Particles."
Sophia Learning
Sophia: Subatomic Particles: Lesson 6
This lesson will introduce the subatomic particles and explain where they are located and how they interact. It is 6 of 7 in the series titled "Subatomic Particles."
Sophia Learning
Sophia: Subatomic Particles: Lesson 7
This lesson will introduce the subatomic particles and explain where they are located and how they interact. It is 7 of 7 in the series titled "Subatomic Particles."
Curated OER
Science Kids: Science Images: Basic Atom Structure
This diagram shows a basic atom structure with an atom core, proton, neutron and electron.
Lawrence Berkeley National Laboratory
Berkeley Lab: Basic Nuclear Science Information
Site provides the ABC's of nuclear science including radioactivity and gamma decay to fission and comic rays.
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