American Chemical Society
Middle School Chemistry: Energy Levels, Electrons, and Covalent Bonding
Students discover the concept that two atoms can attract and form a covalent bond.
Concord Consortium
Concord Consortium: Molecular View of a Liquid
This simulation allows students to make observations about the structure and movement of particles in a liquid.
American Chemical Society
Middle School Chemistry: Heating and Cooling a Liquid
This simulation allows students to make observations about how particle motion changes as the overall temperature of a liquid changes.
Utah State Office of Education
Utah Science: It All Adds Up!
Atoms and molecules come together to create matter. What happens to the weight of matter when it is frozen? Can matter be destroyed? Check out these activities to clearly understand how this works.
Utah State Office of Education
Utah Science: Matter
Discover atoms and molecules which make up matter, motion of atoms and how to measure the mass, volume and density of matter.
Simon Fraser University
Chem1 Virtual Textbook: Molecules and the Properties of Bonded Atoms
College-level site goes into great detail about chemical bonding properties, as far as energies, structure, angles, and length. Infrared absorption, the greenhouse effect, and global warming are addressed to exemplify bond length...
Frostburg State University
General Chemistry Online: Molecules and Compounds
A complete lesson on compounds, from introductory material in the beginning to a practice exam at the end. This lesson covers bonding, ionic compounds, molecular compounds, naming compounds, structural formulas, polyatomic ions, and much...
American Chemical Society
American Chemical Society: Inquiry in Action: Teach Science Well
Online textbook reviews fundamentals of chemistry and physical science via slideshow presentations, notes, and videos. Materials for classroom activities engage students in inquiry-based, hands-on investigations covering molecular...
American Chemical Society
American Chemical Society: Inquiry in Action: Teach Science Well
Online textbook reviews fundamentals of chemistry and physical science via slideshow presentations, notes, and videos. Materials for classroom activities engage students in inquiry-based, hands-on investigations covering molecular...
OpenSciEd
Open Sci Ed: 7.1 Chemical Reactions & Matter Transformations
This Chemical Reactions & Matter Transformationsun unit has students investigating where the students investigate the chemical reactions of a bath bomb.
Science Education Resource Center at Carleton College
Serc: Exploring Molecular Movement: Does Temperature Matter?
For this interactive demonstration, students observe what happens to food coloring when dropped into beakers containing different temperatures of water.
Science Education Resource Center at Carleton College
Serc: Investigating Polymers: Comparing Two Liquid Glue Based Polymers
For this experiment, students will work in small groups to create two different polymers, similar to Flubber and Silly Putty, using Elmer's glue, liquid laundry starch, and Borax. They will then compare the properties of the two...
Estrella Mountain Community College
Online Biology Book: Chemistry I: Atoms and Molecules
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.
Museum of Science
Museum of Science and Industry: Online Science: Activities: Make Slime
Step-by-step instructions, with photos, of how to create slime made of polymer chains using Borax and white glue.
Other
University of Kansas: Quarked!: Matter Mechanic
Build elements and molecules using neutrons, protons, and electrons. Choices include helium, carbon, oxygen, aluminum, water, and salt.
Other
Beautiful Chemistry: Beautiful Structures: Quasicrystals
An interactive display of quasicrystals allows students to study the inner components and molecular make-up of these structures. Since the discovery of quasicrystals, a lot of efforts have been put on finding the locations of atoms...
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.
BBC
Bbc: Gcse Bitesize: Covalent Bonds
A covalent bond is formed between non metal atoms, which combine together by sharing electrons. Covalent compounds have no free electrons and no ions so they don't conduct electricity.
Sophia Learning
Sophia: Converting From Grams to Particles: Lesson 2
This lesson demonstrates how to convert from grams to particles (molecules, atoms, ion). It is 2 of 2 in the series titled "Converting from Grams to Particles."
CK-12 Foundation
Ck 12: Chemistry: Naming Binary Molecular Compounds
[Free Registration/Login may be required to access all resource tools.] Covers molecular compound, binary molecular compound, molecules, and naming of binary molecular compounds.
American Chemical Society
Middle School Chemistry: Density of Water
Discover how the molecular make-up of water affects its density.
American Chemical Society
Middle School Chemistry: Temperature and Density
Learn how the molecular movement in different temperature water affects the density of the liquid.
American Chemical Society
Middle School Chemistry: Why Does Water Dissolve Salt?
Explore this animation to learn why water dissolves salt.
CK-12 Foundation
Ck 12: Chemistry: Molecular Formula
[Free Registration/Login may be required to access all resource tools.] Defines molecular formula and describes how to write molecular formulas.