Module #3
Module Title: What are some of the ways that nuclei become stable?
Estimated time to complete: 90 minutes
Module objectives: Students will build an understanding of radioactive decay.
Concepts learned in this module:
Standards addressed in this module:
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Goal/Expectation |
Description |
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Goal 1 |
The student will demonstrate ways of thinking and acting inherent in the practice of science. The student will use the language and instruments of science to collect, organize, interpret, calculate, and communicate information. |
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1.1 |
The student will explain why curiosity, honesty, openness, and skepticism are highly regarded in science. |
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1.4 |
The student will demonstrate that data analysis is a vital aspect of the process of scientific inquiry and communication. |
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1.5 |
The student will use appropriate methods for communicating in writing and orally the processes and results of scientific investigation. |
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1.6 |
The student will use mathematical processes. |
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Goal 4 |
The student will demonstrate the ability to use scientific skills and processes to explain composition and interactions of matter in the world in which we live. |
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4.2 |
The student will explain that all matter has structure and the structure serves as the basis for the properties of and the changes in matter. |
Technology-enhanced instructional strategies utilized in this module:
Web-based research, computer model
MODULE OVERVIEW
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Components |
Brief description of module activities |
Student Grouping |
Materials/ Technology |
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Engagement |
"It’s in the Clouds" demonstration |
Class |
"It’s in the Clouds" demonstration at http://www.lbl.gov/abc/experiments/Experiment9.html |
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Exploration |
Research the following terms: alpha and beta decay, gamma radiation, half-life. |
Groups |
Laser Disc — Chemistry at Work — video clip |
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Explanation |
Class discussion |
Class |
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Extension |
STELLA model of nuclear decay |
Groups |
Computer lab |
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Evaluation |
Unit test |
Individual |
Expected module outcomes:
Students will understand half-life and radioactive decay.
Performance-based assessment of module outcomes:
STELLA model of assigned isotopes
Written test