Virginia Department of Education
Historical Models of Atoms
What does the past have to do with today? Young scientists find that answer as they learn more about past chemists and their significant contributions to the field. Pupils use the Internet to research historical figures...
Curated OER
Making Models of Atoms and Isotopes
In this models of atoms and isotopes worksheet, students use marshmallow of different colors to represent the protons, neutrons and electrons in an atom. Students make models of the 3 isotopes of hydrogen. They draw a diagram of each and...
Virginia Department of Education
The Modern Model of Atomic Structure
The difference between atomic mass and atomic number can be confusing for some young chemists. Help your class better understand the concepts by allowing them to sketch an atom on paper and then discuss their experience. Upon completion...
Curated OER
Atoms and Elements: An Introduction
High schoolers are able to discuss the difference between a proton, a neutron and an electron. They also can explain the difference between an ionic and a covalent bond. Students know the main structure of atoms and molecules. Student...
NASA
The Cycle of Matter
An educational lesson focuses on the idea of conservation of matter through a demonstration of the water cycle, a discussion of digesting food, and the path of carbon and oxygen atoms as they change form.
American Chemical Society
Atoms Can Be Rearranged to Make Different Molecules
Uncover the building blocks of the universe as budding chemists explore atoms and molecules in an exciting inquiry-based activity. Investigators view an interactive video describing the chemical structure of six molecules. Using...
Curated OER
Silica Tetrahedron Model
Very simply, pairs of learners construct a model of the tetrahedral silica structure using raisins and toothpicks. They dip it into a soapy solution and then blow a bubble "atom" into its center. The lesson plan gives instructions that...
Massachusetts Institute of Technology
Lego Atoms and Molecules: Chemical Reactions
Show young chemists what a chemical reaction looks like with two parts of a hands-on experiment. First, learners conduct a wet lab where they observe the reactants (baking soda and calcium chloride, with phenolsulfonphthalein)...
American Chemical Society
Controlling the Amount of Products in a Chemical Reaction
Everyone enjoys combining baking soda and water. Here is a lesson that challenges scholars to analyze the reaction three different ways — the real substances, the chemical equation, and the molecular models. Class...
Center for Learning in Action
Introduction to the States of Matter
Liquids, gases, and solids are the states of matter in which scholars investigate in a lesson plan that offers in-depth information and engaging activities that look into the three states and the changes their properties make when mixed...
Virginia Department of Education
The Particle Theory of Matter
Demonstrate the particle theory of matter to high school scientists with an engaging experiment that allows them to visually see the results as substances change from one state to another. The class concludes with a discussion about how...
Cornell University
What Happens When We Excite Atoms and Molecules?
Excited atoms lead to exciting lessons! Learners use heat and light to excite both atoms and molecules. They display their learning in the form of Bohr models depicting the excited state of the atoms.
Curated OER
The Chemical Context of Life
In this chemistry worksheet, young scholars fill in the chart for question one. The chart is filled out examining the mass, protons, electrons, and neutrons for specific atoms.
Curated OER
Carbon Atom Mobile
Students research the element of carbon, its composition, and the importance of carbon to life on earth. Then they design model mobiles of carbon atoms to demonstrate their understanding of the configuration of protons, neutrons, and...
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...
American Chemical Society
The Periodic Table and Energy-Level Models
Teach your class to think of electrons as tiny packets of energy that travel in waves. Through a short video and diagram, participants see how electrons are located around the nucleus of an atom. They then get into groups and try to...
Chicago Botanic Garden
The Carbon Cycle
There is 30 percent more carbon in the atmosphere today than there was 150 years ago. The first instructional activity in the four-part series teaches classes about the carbon cycle. Over two to three days, classes make a model...
Aquarium of the Pacific
Lego Molecules
Young scientists construct an understanding of molecular compounds in this hands-on science lesson. Using LEGO® to model the atoms of different elements, students build molecules based on the chemical formulas of common compounds.
Curated OER
Atomic Emission Spectra and the Bohr Model of the Atom
Students investigate the wavelengths of spectra lines for common atoms. In this atomic emission spectra lesson plan, students use a transformer and diffraction grating to observe the emission spectra of various atoms. They find the...
LABScI
The Rutherford Atomic Model: Hidden Obstacles
Historically, scientists had to be creative to study subatomic structure. Scholars step into their minds to recreate the procedure Rutherford used to create his atomic model. Learners identify the creative efforts of early scientists...
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.
Curated OER
Timeline of Atomic Models
For this atomic models time line worksheet, students draw a diagram of Democritus, Dalton, Thomson, Rutherford and the Electron Cloud model of the atom.
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...
Curated OER
Atomic Structure and Ionic Bonding (A Visual Approach)
Using toothpicks, marshmallows, and round colored sticky dots, physical science enthusiasts build models of an atomic nucleus. In this eighth grade chemistry lesson plan, they play an atom-naming game with the models that they have...