Curated OER
Periodic Table of Elements
Beginning chemists examine a collection of elements and compounds as they are introduced to the periodic table. The lesson plan is not cohesive and does not provide detailed instructions on how to teach it. However, it does includes a...
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Atomic Structure
In this atomic structure activity, students select answers to 8 fill in the blank questions on subatomic particles from the drop down box.
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Molecular Models
In this molecular formula worksheet students fill in a table describing elements and chemical formulas. They identify, elements by type and how they bond. The student analyze molecular formulas to identify the number of atoms and if the...
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Historical Development of a Scientific Idea
Ninth graders examine how scientist's contribute to atomic theory. In this development of a scientific idea instructional activity students work in groups and research the development of the atomic model.
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Elements of Chemistry: The Periodic Table
Students examine the atomic structure of elements. In this chemistry instructional activity students organize elements of the periodic table according to their atomic mass, and compare their order within the periodic table.
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History of Atomic Theory
Students study the significance of the quantum model and how scientific theories adapt over time. For this investigative lesson students describe the contributions that scientists have helped develop the atomic theory and identify...
Study Stack
Atomic Structure Crossword Puzzle
In this online interactive atomic structure crossword puzzle worksheet, learners use 5 clues to find the appropriate answers to complete the word puzzle.
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Chemistry First Marking Period Review
In this chemistry review worksheet, students review terms and concepts covered. Students practice metric conversions, factor labeling, temperature conversions, heat calculations, atomic structure, and gas laws. This worksheet has 3...
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Why Do Atoms Combine?
In this atom instructional activity, students will complete 8 fill in the blank statements based on the different parts of an atom. Then students will explain how the arrangement of electrons in an atom is related to the periodic table.
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The Nature of Matter
Students compare and contrast how the theory of atomic structure has changed over time. They explore how different people have contributed to our knowledge of the atom and its structure. Students identify how matter is made of discrete...
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Physicists or Philosophers?
Trace the sequential process of the developing theories of atomic structure in the early 20th century, show, in historical development, how scientists "know" things, how experiments are set up and how interpretations are drawn from them,...
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Atomic structure - Historical background
Students use the Internet to research the development of the discovery of the atom. They create an essay, PowerPoint presentation and a story line on the subject.
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Basic Chemistry Review
Students experiment to show their knowledge of molecules and atomic structures. In this chemistry review lesson students participate in an activity and then fill out a worksheet.
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Discovering the Structure of the Atom
Learners investigate atomic and nuclear structure of matter by researching historical atomic theories. Students examine Rutherford's studies and discover that many scientific conclusions change over time as new data is collected.
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Kinetics and Equilibrium
Students develop an understanding of what a reaction is and factors that affect it. They are introduced to: reaction mechanisms, reaction rates, reaction order, factors affecting reaction rates, Le Chatelier's Principle and Equilibrium.