Curated OER
Atoms, Elements, Molecules, and Compounds
In this elements worksheet, learners review the Bohr model and define negative and positive subatomic particles. Students compare molecules and compounds. This worksheet has 11 short answer questions and 4 problems to solve.
Royal Society of Chemistry
Royal Society of Chemistry: Gridlocks: Level 3
A collection of grid puzzles that cover a wide variety of topics in advanced high school chemistry. These are excellent for topic review and reinforcement. The puzzles can be played online and also downloaded as worksheets. Answers are...
Royal Society of Chemistry
Royal Society of Chemistry: Gridlocks: Level 2
A collection of grid puzzles that cover a wide variety of topics in intermediate high school chemistry. These are excellent for topic review and reinforcement. The puzzles can be played online and also downloaded as worksheets. Answers...
CK-12 Foundation
Ck 12: The Nuclear Model of the Atom
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will distinguish between the three main subatomic particles and understand the contributions of J. J. Thomson, Robert...
CK-12 Foundation
Ck 12: Structure of the Atom
[Free Registration/Login may be required to access all resource tools.] Students learn about the important discoveries of subatomic particles, and how they led to our current understanding of the atom.
Georgia Department of Education
Ga Virtual Learning: Ap Chemistry: Atomic Theory
In this module students explore how matter is classified, the history of atomic theory, subatomic particles, modern atomic theory, electron configuration, the periodic table and its trends, and spectroscopy.
Texas Education Agency
Texas Gateway: Matter and Energy: Atomic Structure
This tutorial reviews over the basics of atomic structure.
OpenStax
Open Stax: Elements and Atoms, the Building Blocks of Matter
This site provides an overview of elements and atoms, the building blocks of matter.
Concord Consortium
Concord Consortium: Stem Resources: Atomic Structure
Introduces learners to atomic models of the past and present, focusing on the orbital model and an explanation of its basis. Learners then have the opportunity to "make an atom" and contrast it with an ion, followed by an isotope. The...
Utah Education Network
Uen: Build an Atom
Students use cereal, marshmallows, and frosting to help them understand the concept of the atom, ion, and isotope, as well as the locations of subatomic particles in the atom, the concept of strong nuclear force.
TED Talks
Ted: Ted Ed: Making Sense of a Visible Quantum Object
Physicists are used to the idea that subatomic particles behave according to the bizarre rules of quantum mechanics, completely different to human-scale objects. In a breakthrough experiment, Aaron O'Connell has blurred that distinction...
TED Talks
Ted: Ted Ed: The Strengths and Weaknesses of Acids and Bases
In the chemical economy, acids actively give away their protons while bases actively collect them, but some more aggressively than others. George Zaidan and Charles Morton use the currency of subatomic particles to explain this unseen...
Tom Richey
Slide Share: Atomic Structure
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,...
OpenStax
Open Stax: Structural Organization of the Human Body
Try considering the structures of the body in terms of fundamental levels of organization that increase in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms and biosphere....
BBC
Bbc: Gcse Bitesize: Atomic Structure
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.
CK-12 Foundation
Ck 12: Physical Science: Atoms
[Free Registration/Login may be required to access all resource tools.] Atoms and how they are related to elements, and the particles that make up atoms.
CK-12 Foundation
Ck 12: Physical Science: Atoms
[Free Registration/Login may be required to access all resource tools.] Atoms and how they are related to elements, and the particles that make up atoms.
CK-12 Foundation
Ck 12: Physics Simulation: Subatomic Particle Zoo
[Free Registration/Login Required] Learn about the most basic particles of matter, including quarks and leptons, and the four fundamental interactions using this interactive simulation. A PDF worksheet is also available.
Symmetry Magazine
Symmetry Magazine: Explain It in 60 Seconds: The Intensity Frontier
This article briefly describes the Intensity Frontier, one of several research approaches to the area of particle physics.
Physics4kids
Physics4 Kids: Modern Physics: Looking Into Atoms
Get an inside look the subatomic particles of atoms.
Other
Fermilab: What Are the Basic Forces Between Particles?
Get an introduction to the four forces that interact between atomic particles. With the help of a simulation you'll see how building reconstruction would be affected without each of the forces.
Science Struck
Science Struck: What Makes Up an Atom?
Describes the structure of an atom and the characteristics of the electrons, neutrons, and protons inside it. Includes some interesting facts about atoms.