Chemical and Physical Changes
Chemical and Physical Changes STEM Case
The Secret Service recently 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 the evidence. Students learn about chemical and physical changes to recreate the methods used to make the coins as evidence for the trial.
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- Cases take 30-90 minutes to complete.
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Student progress is automatically saved so that STEM Cases can be completed over multiple sessions.
| Level | Description | Estimated Time |
|---|---|---|
| Middle School | This version is for middle school classes. | 30-40 min |
Expanded Handbook
More About HandbooksMost content from the Expanded Handbook is included in the corresponding STEM Case.
| Level | Description | Estimated Time |
|---|---|---|
| Middle School | The Expanded Handbook covers structure of atoms (protons, neutrons and electrons), electrical charges, and chemical energy, in addition to the concepts covered in the handbook section of the Middle School Case. | 20-25 min |
FROM OUR COMMUNITY
User Submitted Lesson Materials (2):
Gizmos STEM Lab: Physical and Chemical Properties
A student guide to record observations during the STEM inquiry activity on physical and chemical properti... (more)es.
Best For:
STEM Case, Middle School Level
Gizmo Handbook - Chemical and Physical Properties
Use this when your students fill out the handbook. This can be exported as a PDF and used with Kami onli... (more)ne too.
Best For:
Handbook, Middle School Level
User Recommendations (2):
Excellent review and application of physical and chemical properties geared to middle school students - kids will enjoy the activities !
Recommended: STEM Case, Middle School LevelGizmo User from Virginia
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