Curated OER
Chemical Formulas for Molecules
Newcomers to chemistry compare hydrogen peroxide to water, realizing that the difference of one oxygen atom significantly affects the chemical properties. Other pairs of compounds and their formulas are also examined. A few chemical...
Curated OER
Creating Atoms
In this creating atoms worksheet, students follow directions by creating atoms out of cotton balls, beads, and pipe cleaners. Students then answer 2 questions.
Curated OER
Molecule Models: Model to Formula and Model to Formula
In this science molecule models worksheet, student convert 8 molecule models to chemical formulas and 8 chemical formulas to molecule models.
Curated OER
Models of Chemical Families
A simple activity for introductory chemistry classes is thoroughly explained in this lesson plan. Each individual receives a sealed box containing an unknown object. Inquisitors use indirect evidence to draw conclusions. This activity is...
Curated OER
The Building Blocks
This PowerPoint is a comprehensive review of all the facts related to an atom's basic structure and function. What makes this unique is that it is geared toward an audience of junior geologists. After introducing the periodic table of...
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.
American Chemical Society
Protons, Neutrons, and Electrons
Atomic bombs harness the power in the nucleus of an atom, creating devastating power and damage. Classes review parts of an atom by charging a piece of plastic and holding it near their fingers, discussing what is happening and why....
Curated OER
Drops on a Penny
A helpful instructional activity describes an interesting demonstration on the surface tension of water. Learners guess how many drops of water the heads side of a penny will hold. This resource does a great job of describing just how a...
Curated OER
Molecular Modeling Activity
Students explore the concept of molecular modeling and differentiate between saturated and unsaturated compounds. In small groups, they identify molecular formulas, complete a chart comparing alkanes, alkenes, and alkynes, and construct...
Curated OER
Molecular Modeling
Young scholars recognize that the fundamental building block of all organic and inorganic matter is the atom. They construct models of a sugar, fatty acid, amino acid and nucleic acid and describe their roles.
Curated OER
What a Bohr!
Students define, identify and illustrate the parts of an atom, and investigate the Bohr atomic model. Students watch a multimedia presentation to understand an atom's parts and their functions. In groups, they create a model of an atom...
Curated OER
Understanding the Rutherford Model
In this Rutherford model worksheet, students read about Rutherford's experiment with gold foil and alpha particles which led to the discovery of subatomic particles. Students answer six analysis questions about the experiment and...
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, students 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
Understanding the Bohr Model
In this Bohr model worksheet, students read about Neils Bohr and the model he proposed of the atom. Students answer nine questions about his theory that electrons travel in orbitals and give off energy when they are excited.
Curated OER
Flambe Elements
Eighth graders discuss atoms and electrons as well as atoic structure. They view atomic structure via the computer. Students watch a demonstration in which the teacher demonstrates glass tubing turning yellow in a Bunsen Burner flame....
Curated OER
Activity 1 Up, Up, and Away: Building a Hot Air Balloon
Students investigate the question: "How does a hot air balloon work?" They build small hot air balloons ans then lauch them. Students discuss how they think a hot air balloon floats. Pupils are introduced to the use of models as a...
Curated OER
Atomic Structure
In this atomic structure worksheet, students draw a helium atom and show the subatomic particles. They also answer questions about the Bohr model, Dalton's atomic theory and the energy of electrons based on their location in an atom.
Curated OER
Integrating Physics-Atomic Fingerprints
In this atomic fingerprint activity, 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. In this matter lesson, students navigate the web to find the structure and the forces that affect atoms. Students complete an experiment with positive and...
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.
University of Colorado
Clay Planets
Why do scientists use models? In the first installment of 22, groups create scale models of our solar system. They then share and discuss their models.
Concord Consortium
Reaction Between Hydrogen and Oxygen Molecules
When molecules of hydrogen and oxygen are combined, how does water form? Science scholars observe changes in kinetic and potential energy during a chemical reaction in an interactive. The resource features easy controls that allow users...
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...