Electrons and Chemical Reactions

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Electrons and Chemical Reactions STEM Case

The Secret Service has arrested suspects accused of counterfeiting coins from 1915 valued at $50,000 each. The students act as a forensic scientist to investigate the crime scene and examine the evidence. Students learn about electrons and chemical reactions to recreate the methods used to make the coins and prepare evidence for the court case.

STEM Cases are interactive explorations in which students practice problem-solving and critical thinking as they solve a real world problem as a STEM professional.
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  • Cases take 30-90 minutes to complete.
  • Student progress is automatically saved.
  • Complete in multiple sessions.

STEM CASE

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LevelDescriptionEstimated Time
High School  This version is for general chemistry classes. 35-45 min
AP  This version is for AP level classes 50-70 min

Expanded Handbook

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Most content from the Expanded Handbook is included in the corresponding STEM Case.

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LevelDescriptionEstimated Time
High School  The Expanded Handbook covers electronegativity, polar covalent bonding and periodic trends, in addition to the concepts covered in the handbook section of the High School Case. 20-30 min
AP  This Handbook is identical to the handbook section in the AP Case 30-45 min

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This is an excellent prep for the STEM case.
Recommended: STEM Case, High School Level
Gizmo User from Virginia

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