Curated OER
Chemistry 1 Practice Exam
Thirty multiple-choice questions and their answers are provided in this resource. It was written for a general chemistry course and queries test takers on scientific notation, mixtures, chemical symbols, electric charges, Dalton's atomic...
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History of Atomic Theory
Students study the significance of the quantum model and how scientific theories adapt over time. In this investigative lesson students describe the contributions that scientists have helped develop the atomic theory and identify the...
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Relative Masses
Students investigate relative mass using 8 different items. For this relative masses lesson plan, students discuss as a class John Dalton's atomic theory. They take the masses of the 8 items and record their data. They discuss relative...
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Structure of the Atom
Students observe 3 models that show Dalton, Thomson and Rutherford's theories of the structure of the atom. In this structure of the atom lesson plan, students observe each model and write a summary of each theory of the atom.
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Mystery : Structure of the Atom-A Case for Indirect Evidence
Young scholars investigate the structure of the atom through hands on activities. In this atomic structure instructional activity, students perform 4 activities showing indirect evidence of the structure of the atom and the parts of the...
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Atomic Structure and Quantum Theory
Students are introduced to the structure of an atom and Dalton's atomic theory through a short video and mini-lecture. They also take a look at the weight of mass and become familiar with the idea of quantum theory
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Research Ethics
Students develop an ability to distinguish between simple error, misconduct and fraud. Students are lead to consider a widening circle of the consequences of misconduct and fraud. They expand their knowledge on the self-regulating...
Chymist
Empirical Formula of a Compound
Because of the work of John Dalton, we are able to write formulas for compounds. The hands-on experiment has scholars prepare a compound from its elements. Using mass data, individuals write the empirical formula for the compound.
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The Mole
Young scholars investigate moles and Avogadro's hypothesis. In this moles lesson plan, students complete a worksheet by finding the volume of 1 mole of each substance given its density and they find the number of molecules, the formula,...
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Extraction of DNA from White Onion
Students conduct lab test with minced onion to determine where chromosonal DNA is located within the cell, and whether or not it can be extracted.