Texas Education Agency
Texas Gateway: Atomic and Molecular Explanation of Pressure and Temperature
Learn how to calculate the kinetic energy of a gas molecule, describe the relationship between the temperature of a gas and the kinetic energy of atoms and molecule, and describe the distribution of speeds of molecules in a gas. The...
Concord Consortium
Concord Consortium: Stem Resources: Electrons in Atoms and Molecules
A module with animations, explanations, and questions about the importance of electrons in the structure of an atom. Understand the definition and locations of electrons in the atom. Explore the role of electrons in bonding, polarity,...
Science Education Resource Center at Carleton College
Serc: Atoms and Molecules
As part of the introduction to the Periodic Table of the Elements, students will be introduced to the idea of atoms, molecules, and chemical reactions.
Concord Consortium
Concord Consortium: Molecular Workbench: Electrons in Atoms and Molecules
A model that explores why electrons are so important in chemistry. Investigate electron clouds, what happens when two atoms come together, and chemical polarity.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Atoms, Elements and Molecules: Questions and Answers
Read common questions and answers about atoms, elements and molecules.
CK-12 Foundation
Ck 12: Plix: Build Some Helium: Atoms to Molecules
[Free Registration/Login Required] Build your own helium atom and make sure it has the correct number of protons, electrons, and neutrons on this site. Site also includes a small quiz on the topic.
Texas Education Agency
Texas Gateway: Atomic and Molecular Explanation of Pressure and Temperature
We gain a better understanding of pressure and temperature from the kinetic theory of gases, which assumes that atoms and molecules are in continuous random motion. Learn more about Kinetic Theory with the following detailed resource...
Khan Academy
Khan Academy: Molecules and Compounds
Article defines and explains compounds which are either ionic or covalent and molecules which are the simplest unit of a covalent compound. Molecules can be represented in many different ways.
TeachEngineering
Teach Engineering: Mixtures and Solutions
This unit covers introductory concepts of mixtures and solutions. Students think about how mixtures and solutions, and atoms and molecules can influence new technologies developed by engineers. The first lesson explores the fundamentals...
Vision Learning
Visionlearning: Atomic Theory and Structure: The Mole: Its History and Use
An introduction to the mole, a unit of measurement that quantifies atoms and molecules.
Mocomi & Anibrain Digital Technologies
Mocomi: Molecules
When two or more atoms combine they give rise to a molecule. A molecule can be made up of many atoms of the same element. There are 112 elements known to man, so can you imagine the different permutations and combinations of molecules...
Concord Consortium
Concord Consortium: Molecular Workbench: Collision Theory of Chemical Reactions
Watch an animation of atoms and molecules colliding that shows how these particles combine during chemical reactions. Change levels of energy to see how reactions are affected.
Concord Consortium
Concord Consortium: Stem Resources: Spectroscopy
Web-based activity walks learners through the use of spectroscopy in determining the identity of atoms and molecules by defining the excited state of atoms, the frequencies of emitted photons, and atoms' ability to absorb them....
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Molecule Polarity
An interactive simulation that teaches about polarity, electronegativity, and bonds by changing the electronegativity of atoms and bond angles in a molecule to see how it affects polarity. This simulation can either be downloaded or...
CK-12 Foundation
Ck 12: Atoms to Molecules
[Free Registration/Login may be required to access all resource tools.] Examine the composition of matter.
CK-12 Foundation
Ck 12: Earth Science: Atoms to Molecules
[Free Registration/Login may be required to access all resource tools.] Examine the composition of matter.
CK-12 Foundation
Ck 12: Earth Science: Atoms to Molecules
[Free Registration/Login may be required to access all resource tools.] Examine the composition of matter.
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.
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.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Build a Molecule
Starting from atoms, see how many molecules you can build. Collect your molecules and see them in 3D.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Build a Molecule
Starting from atoms, see how many molecules you can build. Collect your molecules and see them in 3D!
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Molecule Shapes
Build a molecule in 3-D. Add single, double, and triple bonds, or a lone pair of electrons to an atom, learn what the molecule's geometric name is, see the bond angles, and manipulate each molecule to view it from all sides. Then study a...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Molecule Shapes
Explore molecule shapes by building molecules in 3D. How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the central atom. Then, compare...
National High Magnetic Field Laboratory
Magnet Academy: Mass Spectrometry: How to Weigh an Atom
It's hard enough to weigh something as itty bitty as atoms or molecules. Factor in that they're careening by faster than Jeff Gordon on steroids, and you get an idea what scientists are up against. Using comet particles from NASA's...
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