Curated OER
A Model of a Scanning Tunneling Microscope
Ninth graders explain how a scanning tunneling microscope works. In this chemistry lesson plan, 9th graders construct atomic models and simulate how their images appear under the STM. They discuss the limitations of their atomic model.
Curated OER
The Causes of Differences in Density
Students explore the causes of differences in density. Students choose objects, measure the mass and volume, and calculate the density of each. They perform additional density experiments to model atoms and their correspondence to...
Curated OER
The Causes of Differences in Density
Students explore how density changes. Students read an article on density. They observe a ball and ring demonstration and discuss the outcome. Students draw models of the demonstration and explain what happened.
Curated OER
Writing Chemical Formulas
Students study how to write chemical fomulas by reviewing the combinations atoms form into compounds. They write a procedure to test various substances and name the compounds and write formulas. As they construct models for formulas and...
Science Geek
VSEPR and Molecular Geometry
Many chemistry jokes have no reaction. Presentation begins by explaining what models are and the limitations of various forms before introducing the VSEPR model. Then it outlines the rules for creating a VSEPR model and shows examples of...
LABScI
Atomic Structure and the Periodic Table of Elements: The Secret Agent Lab
Food always gets attention! Model atomic structure using fruit loops to represent the subatomic particles. After building models, scholars create ionic bonds using their models. Finally, they use these concepts to create a periodic table.
Chicago Botanic Garden
Carbon, Greenhouse Gases, and Climate
Climate models mathematically represent the interactions of the atmosphere, oceans, land, sun, surface, and ice. Part two in the series of four lessons looks at the role greenhouse gases play in keeping Earth warm and has participants...
Concord Consortium
Sticking a Balloon to a Wall
This is one sticky situation! Science sleuths uncover the mystery behind a balloon that appears to be stuck to a wall using an interactive. Learners observe a neutrally charged wall before they manipulate the charge on a balloon. Atom...
Concord Consortium
Making Molecules
It's molecule magic! Skillful scholars explore the effects of different atoms on molecular polarization using an intuitive interactive. The resource displays the charge at different locations on the molecule, then adapts as the user...
Concord Consortium
Ceramic Forces
Why are bricks more likely to break than bend? Young science scholars peer inside a ceramic block and examine the effects of downward force at the molecular level. Learners can apply three different levels of force before observing their...
PHET
Band Structure
Electricity travels at the speed of light, 186,000 miles per second. Through a simulation, classes see how the structure of energy bands in crystals of atoms determines how materials conduct electricity. Participants can change the...
Concord Consortium
Concentrating Charge and Electric Fields
How did Rutherford determine that the nucleus was the center of an atom? Take a look inside the famous Gold Foil Experiment with an interesting interactive. Learners fire a beam of alpha particles at a nucleus containing variable...
Curated OER
Atomic Structure - Part A
Students describe the structure of atoms, including the particles that make them up. They recognize that key scientists and experiments have contributed to the changes
in the Atomic Theory.
Curated OER
The Causes of Differences in Density
Students explore what causes differences in density. They observe an models depecting atoms, compounds, and molecules. Students determine if there is air in between atomic bonds. They study the structure and spacing of molecular bonds.
American Chemical Society
Energy Levels, Electrons, and Ionic Boding
Learners see how electrons are transferred in the bonding of NaCl. They then create models of NaCl using styrofoam balls and toothpicks to assist them in explaining the formation of ions and ionic bonding.
Curated OER
Atomic Structure and Bonding
Eighth graders discuss and write about what led up to the discovery of the atom. Students label proton, nucleus, electron, and neutron in their notes. Students take notes on electron shells and how different atoms have different...
Curated OER
Location of Electrons
In this location of electrons worksheet, high schoolers read about the quantum mechanical model of the atom and the location of electrons. They complete a table given eleven elements with the sublevel notation, the Bohr notation and the...
Curated OER
Integrating Physics-Atomic Fingerprints
In this atomic fingerprint worksheet, students read about the Bohr model and electrons changing energy levels and emitting energy. They answer questions about the atomic spectrum and the fingerprints for specific atoms.
Curated OER
Matter, Matter
Students define vocabulary related to the parts of the atom. For this matter lesson, students navigate the web to find the structure and the forces that affect atoms. Students complete an experiment with positive and negative charges....
Curated OER
Candy Compounds
In this compounds worksheet, students are given a bag of colored gumdrops that represent specific atoms. They construct ionic and covalent bonds with gumdrops using the key provided and the compounds to build. They fill in a chart with...
Cornell University
Isotope Rummy
Thanks to this game, teaching isotopes will never be the same. Physical science scholars work their way toward understanding isotopes in an entertaining game. Pupils play rummy in groups while practicing good sportsmanship and creating...
Curated OER
Shapes of Molecules
The VSEPR Model of molecular structure is exhibited through this series of slides. The step-by-step process is listed, and then examples are provided. The graphics give a visual display of the spatial relationship between the atoms of...
Curated OER
Making Molecular Models
In these creative hands-on activities, students construct several different molecular models that represent substances that play an essential role in our nutritional needs. Using gum drops and toothpicks, students design the models....
Curated OER
The Atom
In this atom instructional activity, students read about the structure of the atom including its subatomic particles and John Dalton's theory of the atom. Students also read about the differences between atoms, molecules and compounds....