Activity
Chem Tutor

Chem tutor.com: Atomic Structure

For Students 9th - 10th
This page provides a thorough and comprehensible discussion of the structure of the atom. Includes helpful diagrams and instructions for filling electron shells, reading the Periodic Table, and drawing Lewis Structures.
Article
Mocomi & Anibrain Digital Technologies

Mocomi: Structure of an Atom

For Students 2nd - 8th
An atom is made of three parts - protons, neutrons, and electrons. Here you can explore these different parts.
eBook
OpenStax

Open Stax: Elements and Atoms, the Building Blocks of Matter

For Students 9th - 10th
This site provides an overview of elements and atoms, the building blocks of matter.
Activity
Museum of Science

The Atoms Family: Spectroscope of an Atom

For Students 9th - 10th
"The Phantom has provided you with a simulated spectroscopy of an Atom! Amuse the Phantom by observing the spectroscope and you'll learn more about the Atom." Observe and review the structure of the atom.
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.
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Models of the Hydrogen Atom

For Students 9th - 10th
How did scientists figure out the structure of atoms without looking at them? Try out different models by shooting light at the atom. Check how the prediction of the model matches the experimental results.
Handout
CK-12 Foundation

Ck 12: Earth Science: Atoms to Molecules Study Guide

For Students 9th - 10th
Understand the basic structure of atoms and molecules in the Earth's crust.
Handout
Science Struck

Science Struck: What Makes Up an Atom?

For Students 9th - 10th
Describes the structure of an atom and the characteristics of the electrons, neutrons, and protons inside it. Includes some interesting facts about atoms.
eBook
Estrella Mountain Community College

Online Biology Book: Chemistry I: Atoms and Molecules

For Students 9th - 10th
In this online biology textbook, learn about atoms and molecules as they relate to life. Find out about topics such as electrons and energy, chemical bonding, and chemical reactions.
Handout
PBS

Pbs: Planck Discovers the Quantum Nature of Energy

For Students 9th - 10th
PBS offers a short summary of the discovery of the quantum nature of the atom by Max Planck. Easy to follow.
Activity
TeachEngineering

Teach Engineering: Gumdrop Atoms

For Teachers 3rd - 8th
In this activity, students make a model of a lithium atom using gumdrops and toothpicks. Using this model, they investigate the makeup of an atom, including its relative size. Students also practice adding and subtracting electrons from...
Website
Khan Academy

Khan Academy: Dalton's Atomic Theory

For Students 9th - 10th
An article describing Dalton's atomic theory. Learn how this theory was the first attempt to describe a fundamental part of matter, atoms. Article also discusses where the theory is incorrect based on the knowledge we have today.
Lesson Plan
TeachEngineering

Teach Engineering: The Fundamental Building Blocks of Matter

For Teachers 3rd - 8th
This lesson plan explores the fundamentals of atoms and their structure. The building blocks of matter (protons, electrons, neutrons) are covered in detail. Students think about how atoms and molecules can influence new technologies...
Lesson Plan
American Chemical Society

Middle School Chemistry: Represent Bonding With Lewis Dot Diagrams

For Teachers 9th - 10th
Learners draw and interpret Lewis dot diagrams for individual atoms and both covalent and ionic compounds.
Handout
Science Struck

Science Struck: Plum Pudding Model

For Students 9th - 10th
Describes J.J. Thomson's theory of atomic structure, called the 'Plum Pudding Model,' and how it was disproved by Ernest Rutherford.
Handout
Science4Fun

Science4 Fun: Chemical Bonding

For Students 1st - 6th
What is a chemical bond? Learn about the structure of an atom, why bonds are formed, and the different types of chemical bonds.
Unit Plan
TED Talks

Ted: Ted Ed: What Is the Shape of a Molecule?

For Students 9th - 10th
George Zaidan and Charles Morton shape our image of molecules. [3:47]
Lesson Plan
Chem Tutor

Chem Tutor: Chemistry: Compounds

For Students 9th - 10th
This instructional activity focuses on chemical compounds including Ionic and Covalent Bonds, Valences, Lewis Structures, Binary Covalent Compounds, Radicals or Polyatomic Ions, and much more. It also includes a compound worksheet in...
Website
Khan Academy

Khan Academy: Dalton's Atomic Theory

For Students 9th - 10th
Article explores the key points of Dalton's atomic theory and the laws of conservation of mass and constant composition. Which points do we still use today?
Activity
Science Buddies

Science Buddies: Study Chirality With a Homemade Polarimeter

For Students 9th - 10th
Some molecules can be either left- or right-"handed." The left- and right-handed molecules have the same number and type of atoms, and their chemical structures look identical, but they are actually mirror images of each other. Many...
Unit Plan
OpenStax

Open Stax: Andrew R. Barron: Valence Shell Electron Pair Repulsion (Vsepr) Theory

For Students 9th - 10th
Detailed explanation of Valence Shell Electron Pair Repulsion (VSEPR) Theory with examples and questions for the reader to check comprehension. Also includes step-by-step instructions for correctly building molecules using VSEPR Theory....
Lesson Plan
The Wonder of Science

The Wonder of Science: Ms Ps1 1: Atomic Composition Model

For Teachers 6th - 8th
A collection of lesson plans for helping middle schoolers understand atomic composition. Site uses work samples, phenomena, assessment templates, and videos to plan lessons to describe the atomic composition of simple molecules.
Unknown Type
Khan Academy

Khan Academy: Alcohol Production and Absorption

For Students 9th - 10th
Read a passage about alcohol production and absorption and answer the follow-up questions to practice for the MCAT.

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