T. Trimpe
Atomic Basics
Get down to basics with these worksheets on the structure of atoms. Challenging young chemists to identify information from the periodic table and create Bohr diagrams and Lewis dot structures for different elements, this resource would...
Curated OER
Atomic Structure
This is a basic presentation that can be used to introduce your budding chemists to the structure of an atom. It gives step-by-step examples of a few atoms, showing their particles as well as their chemical formulas and the associated...
Curated OER
Atoms and Static Electricity
In this chemistry instructional activity, students learn about atoms and static electricity. They read about these topics and then use what they learned to answer the 11 questions on the page. The answers are on the last page of the packet.
Curated OER
What is an Atom?
Third graders understand that the smallest particle is an atom. In this matter lesson plan, 3rd graders make a piece of aluminum smaller and smaller to see that what's left is still aluminum. Students recognize that cutting into smaller...
Curated OER
Counting Atoms in a Molecule
In this counting atoms in a molecule activity, students read about the molecule propanal that was discovered by the giant radio telescope in the Milky Way Galaxy. Students solve 6 problems where they find the number of atoms in the...
Curated OER
Static Electricity 1: Introducing Atoms
Students explore webpages to research the nature of atoms, including electrons, protons, and neutrons. This lesson is the first of a four-part series on static electricity. They see that static electricity involves + and - charges.
Curated OER
Integrating Technology: Seeing Atoms: STM
In this atom activity, students learn about the scanning tunneling microscope and answer questions about its use, how it works and its ability to see electrons in atoms.
Curated OER
Inside an Atom
In this atom worksheet, students read about the history of the discovery of the atom. Students write a story, poem, song or other creative project in which they shrink to an incredibly small size and are trapped in a carbon atom.
Curated OER
Masses of Atoms
In this masses of atoms activity, students complete a chart of 7 isotopes with their isotope symbol, atomic mass, atomic number, and the number of protons, neutrons and electrons. They calculate the average atomic mass of two elements.
Curated OER
Analyzing the Bohr Atom
In this Bohr atom instructional activity, students complete a table with the number of electrons of the element, the electron configuration, the mass number, the number of protons, the number of neutrons, the element, the symbol and the...
Curated OER
Counting Atoms
In this atoms worksheet, students write the number of atoms there are of each element in the given compounds. This worksheet has 20 problems to solve.
Curated OER
What do Atoms Look Like?
In this atom worksheet, high schoolers answer 31 multiple choice questions about the structure of atoms, the periodic table, the reactivity of elements, orbital diagrams and the families of elements.
Curated OER
Size of Atoms - Trends
This compendious collection of slides leaves no questions when it comes to the concept of atomic size. Thorough and easy-to-read graphs, tables, and graphics explain atomic radii, the shielding effect, the octet rule, isoelectric...
Curated OER
Defining the Atom
Words, words, words! This presentation uses plenty of them to define the atom, outline the history of what we know about atoms, and explain atomic and mass numbers. That's all! Informative, but not interesting, this slide show would be...
Curated OER
Atoms : A Self Guided Computer Activity
"Self-guided Computer Activity" simply means that young chemists read through the slides and take notes about atoms along the way. There is an abundance of text on each slide, making this a comprehensive introduction to atomic structure....
Concord Consortium
Molecular View of a Solid
Why are solids, well ... solid? Take a peek inside a solid substance with an easy-to-use interactive. Science sleuths examine the motion and position of the atoms that make up a solid before drawing conclusions from their observations.
Mr. Jones's Science Class
Parts of the Atom
Up and atom! After labeling the parts of an atom, young chemists answer 16 diagram-based questions that deal with protons, neutrons, electrons, and atomic number.
Concord Consortium
Forming a Molecular Bond
They say two's company, but three's a crowd... unless you're talking about molecular bonding! Chemistry scholars experiment with two- versus three-atom bonding in an engaging simulation. Learners must place the third atom in a location...
Concord Consortium
Forming a Molecule
What does it look like when two atoms bond? Mol-e-COOL! Aspiring chemists observe the interaction between two atoms forming a bond in an easy-to-use interactive. Individuals move atoms closer together and observe changes in attraction...
Curated OER
The Atom
In this atom worksheet, students complete a graphic organizer for the structure of the atom. They include the definition of the mass number, the atomic mass, the atomic number, the protons, neutron and electrons.
Concord Consortium
Energy of Bond Formation
Show your chemistry class that there's much more to covalent bonding than sharing electrons! Pupils manipulate atoms of hydrogen, oxygen, and carbon to observe the energy of bond formation using a well-rounded interactive. The resource...
Curated OER
Difference One Proton Makes
Chemsitry aces learn that protons are located in the nucleus and the number of protons in the nucleus determines the atomic number of an element. In this lesson, they compare materials made up of a single element and other materials...
Curated OER
Jeopardy
Here you will find 5 categories regarding atoms, the periodic table, and the elements. The questions in this jeopardy game are about bonding, ions, oxidation number, and energy levels.
PhET
Rutherford Scattering
Rutherford performed his famous experiment in 1907 with Marsden, showing the true atomic structure. This interactive simulation compares Rutherford's historical experiment to the Plum pudding model of the atom. In both models, alpha...