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To trace the development of the atomic theory and examine how the model of the atom changed from the time of Democritus to John Dalton to J. J. Thomson to Ernest Rutherford to Bohr to the Quantum Mechanical (electron cloud) model.

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Using the sites provided below, you may work individually or along with two classmates to present your atomic theory project in one of the following formats - Format A plus your choice of one from 1-3. Each format will include an oral presentation.

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A. Build one of the following atomic models: Plum pudding (Thomson), Rutherford’s, Planetary (Bohr) and the electron cloud model or Quantum Mechanical model (Schrodinger). Include the following for full credit:

• A 2-D or 3-D model, labeled & with a key included to identify the subatomic particles.

2D-model cannot be done on a sheet of paper. The base must be of a sturdy material.

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1. Present the development of the atomic theory (Democritus, Dalton, Thomson, Rutherford, Bohr, and the quantum mechanical/electron cloud model) in a slide presentation to the class. Include the following: dates, discovery, model of the atom, experiment.

●      A bibliography page citing all sources used

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2. Compose and perform a poem, rap, or song, explaining how the atomic model has changed over time with each new scientific discovery. This may be presented live or as a recorded video in class.

●      A copy of the piece to be submitted at the time of the performance.

●      The poem should include all atomic models (Democritus, Dalton, Thomson, Rutherford, Bohr, and the Quantum Mechanical/Electron cloud model).

●      A bibliography page citing all sources used should be included.

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3. Develop a timeline to show significant dates, the experiment done, the model proposed, any discoveries related to the development of the atomic theory from Democritus to the current electron cloud model.

●      The timeline must be drawn on a poster board and must include color. Be creative!

●      You MUST include all scientists (Democritus, Dalton, Thomson, Rutherford, Bohr, quantum mechanical/electron cloud model).

●      A bibliography page citing all sources used should be taped to the back of the poster board.